mirror of https://github.com/wwarthen/RomWBW.git
Browse Source
Updated Cowgol disk image with the latest distribution from Ladislau Szilagyi. Co-Authored-By: ladislau szilagyi <87603175+Laci1953@users.noreply.github.com>pull/517/head v3.5.0-rc.2
Wayne Warthen
10 months ago
44 changed files with 5663 additions and 4026 deletions
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COWGOL -O ADVENT.COW ADVMAIN.COW XRND.AS |
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COWGOL -O MISC.COO STRING.COO RANFILE.COO ADVENT.COW ADVTRAV.COW ADVMAIN.COW |
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## |
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## This is Daimler's 350-point "Adventure" (circa June 1990, according |
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## to Russel Dalenberg). Its version information lists |
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## |
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## -Conversion to BDS C by J. R. Jaeger |
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## -Unix standardization by Jerry D. Pohl. |
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## -OS/2 Conversion by Martin Heller |
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## -Conversion to TurboC 2.0 by Daimler |
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## |
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## It contains Jerry Pohl's original ADVENT.DOC (dated 12 JUNE 1984), |
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## plus comments from Martin Heller (dated 30-Aug-1988). Strangely for |
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## an expansion, Daimler's version actually introduces a number of typos |
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## into the data files, and disables a handful of inessential verbs |
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## (READ, EAT, FILL) with the comment that there is "no room" for them |
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## (presumably in the PC's limited memory). |
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## ------------------------------------------------------------------- |
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## Adapted for HiTech C Z80 under CP/M by Ladislau Szilagyi, Oct. 2023 |
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## Uncommented Daimler's disabled verbs - game is complete again ! |
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## Added a new pseudo-random number generator (Xorshift) |
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## Adapted to Cowgol language by Ladislau Szilagyi, Feb. 2025 |
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include "misc.coh"; |
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include "string.coh"; |
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@decl sub get_dbugflg(): (ret: int16) @extern("get_dbugflg"); |
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@decl sub bug(n: uint8) @extern("bug"); |
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@decl sub set_newloc(v: int16) @extern("set_newloc"); |
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@decl sub set_oldloc(v: int16) @extern("set_oldloc"); |
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@decl sub set_oldloc2(v: int16) @extern("set_oldloc2"); |
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@decl sub toting(item: uint16): (ret: uint8) @extern("toting"); |
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@decl sub at(item: uint16): (ret: uint8) @extern("at"); |
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@decl sub get_prop(obj: uint8): (ret: int16) @extern("get_prop"); |
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@decl sub badmove(motion: int16, verb: int16) @extern("badmove"); |
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@decl sub rspeak(msg: uint8) @extern("rspeak"); |
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@decl sub spcmove(rdest: uint16) @extern("spcmove"); |
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@decl sub forced(atloc: uint16): (ret: uint8) @extern("forced"); |
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@decl sub set_motion(v: int16) @extern("set_motion"); |
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var dummy: [uint8]; |
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const MAXTRAV := (16+1); # max # of travel directions from loc |
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# +1 for terminator travel[x].tdest=-1 |
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record trav is |
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tdest: int16; |
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tverb: int16; |
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tcond: int16; |
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end record; |
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var travel: trav[MAXTRAV]; |
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# WARNING: the travel array for the cave is stored as MAXLOC |
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# strings. the strings are an array of 1..MAXTRAV |
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# LONG INTEGERS. this requires 32 bit LONG INTEGERS. |
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# these values are used in database.c "gettrav". |
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# tdset*1000000 + tverb*1000 + tcond = value stored |
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var cave: [uint8][] := |
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{ |
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"2002,2044,2029,3003,3012,3019,3043,4005,4013,4014,4046,4030,5006,5045,5043,8063,", |
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"1002000,1012000,1007000,1043000,1045000,1030000,5006000,5045000,5046000,", |
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"1003000,1011000,1032000,1044000,11062000,33065000,79005000,79014000,", |
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"1004000,1012000,1045000,5006000,5043000,5044000,5029000,7005000,7046000,7030000,8063000,", |
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|
"4009000,4043000,4030000,5006050,5007050,5045050,6006000,5044000,5046000,", |
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"1002000,1045000,4009000,4043000,4044000,4030000,5006000,5046000,", |
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"1012000,4004000,4045000,5006000,5043000,5044000,8005000,8015000,8016000,8046000,595060000,595014000,595030000,", |
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"5006000,5043000,5046000,5044000,1012000,7004000,7013000,7045000,9003303,9019303,9030303,593003000,", |
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"8011303,8029303,593011000,10017000,10018000,10019000,10044000,14031000,11051000,", |
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"9011000,9020000,9021000,9043000,11019000,11022000,11044000,11051000,14031000,", |
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"8063303,9064000,10017000,10018000,10023000,10024000,10043000,12025000,12019000,12029000,12044000,3062000,14031000,", |
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"8063303,9064000,11030000,11043000,11051000,13019000,13029000,13044000,14031000,", |
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"8063303,9064000,11051000,12025000,12043000,14023000,14031000,14044000,", |
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"8063303,9064000,11051000,13023000,13043000,20030150,20031150,20034150,15030000,16033000,16044000,", |
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"1803,1804,1700,1703,1704,1901,1903,1904,2202,2203,2203,2203,2202,2204,1402,3405,", |
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"14001000,", |
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"15038000,15043000,596039312,21007412,597041412,597042412,597044412,597069412,27041000,", |
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"15038000,15011000,15045000,", |
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"15010000,15029000,15043000,28045311,28036311,29046311,29037311,30044311,30007311,32045000,74049035,32049211,74066000,", |
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"001000,", |
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"001000,", |
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"15001000,", |
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"67043000,67042000,68044000,68061000,25030000,25031000,648052000,", |
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"67029000,67011000,", |
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"23029000,23011000,31056724,26056000,", |
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"88001000,", |
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"596039312,21007412,597041412,597042412,597043412,597069412,17041000,40045000,41044000,", |
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"19038000,19011000,19046000,33045000,33055000,36030000,36052000,", |
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"19038000,19011000,19045000,", |
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"19038000,19011000,19043000,62044000,62029000,", |
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"89001524,90001000,", |
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"19001000,", |
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"3065000,28046000,34043000,34053000,34054000,35044000,302071159,100071000,", |
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"33030000,33055000,15029000,", |
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"33043000,33055000,20039000,", |
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"37043000,37017000,28029000,28052000,39044000,65070000,", |
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"36044000,36017000,38030000,38031000,38056000,", |
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"37056000,37029000,37011000,595060000,595014000,595030000,595004000,595005000,", |
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"36043000,36023000,64030000,64052000,64058000,65070000,", |
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"41001000,", |
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"42046000,42029000,42023000,42056000,27043000,59045000,60044000,60017000,", |
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"41029000,42045000,43043000,45046000,80044000,", |
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"42044000,44046000,45043000,", |
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"43043000,48030000,50046000,82045000,", |
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"42044000,43045000,46043000,47046000,87029000,87030000,", |
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"45044000,45011000,", |
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"45043000,45011000,", |
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"44029000,44011000,", |
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"50043000,51044000,", |
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"44043000,49044000,51030000,52046000,", |
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"49044000,50029000,52043000,53046000,", |
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"50044000,51043000,52046000,53029000,55045000,86030000,", |
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"51044000,52045000,54046000,", |
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"53044000,53011000,", |
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"52044000,55045000,56030000,57043000,", |
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"55029000,55011000,", |
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"13030000,13056000,55044000,58046000,83045000,84043000,", |
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"57043000,57011000,", |
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"27001000,", |
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"41043000,41029000,41017000,61044000,62045000,62030000,62052000,", |
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"60043000,62045000,107046100,", |
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"60044000,63045000,30043000,61046000,", |
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"62046000,62011000,", |
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"39029000,39056000,39059000,65044000,65070000,103045000,103074000,106043000,", |
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"64043000,66044000,556046080,68061000,556029080,70029050,39029000,556045060,72045075,71045000,556030080,106030000,", |
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"65047000,67044000,556046080,77025000,96043000,556050050,97072000,", |
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"66043000,23044000,23042000,24030000,24031000,", |
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"23046000,69029000,69056000,65045000,", |
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"68030000,68061000,120046331,119046000,109045000,113075000,", |
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"71045000,65030000,65023000,111046000,", |
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"65048000,70046000,110045000,", |
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"65070000,118049000,73045000,97048000,97072000,", |
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"72046000,72017000,72011000,", |
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"19043000,120044331,121044000,75030000,", |
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"76046000,77045000,", |
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"75045000,", |
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"75043000,78044000,66045000,66017000,", |
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"77046000,", |
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"3001000,", |
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"42045000,80044000,80046000,81043000,", |
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"80044000,80011000,", |
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"44046000,44011000,", |
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"57046000,84043000,85044000,", |
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"57045000,83044000,114050000,", |
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"83043000,83011000,", |
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"52029000,52011000,", |
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"45029000,45030000,", |
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"25030000,25056000,25043000,20039000,92044000,92027000,", |
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"25001000,", |
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"23001000,", |
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"95045000,95073000,95023000,72030000,72056000,", |
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"88046000,93043000,94045000,", |
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"92046000,92027000,92011000,", |
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"92046000,92027000,92023000,95045309,95003309,95073309,611045000,", |
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"94046000,94011000,92027000,91044000,", |
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"66044000,66011000,", |
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"66048000,72044000,72017000,98029000,98045000,98073000,", |
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"97046000,97072000,99044000,", |
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"98050000,98073000,301043000,301023000,100043000,", |
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"301044000,301023000,301011000,99044000,302071159,33071000,101047000,101022000,", |
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"100046000,100071000,100011000,", |
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"103030000,103074000,103011000,", |
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"102029000,102038000,104030000,618046114,619046115,64046000,", |
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"103029000,103074000,105030000,", |
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"104029000,104011000,103074000,", |
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"64029000,65044000,108043000,", |
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"131046000,132049000,133047000,134048000,135029000,136050000,137043000,138044000,139045000,61030000,", |
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"556043095,556045095,556046095,556047095,556048095,556049095,556050095,556029095,556030095,106043000,626044000,", |
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"69046000,113045000,113075000,", |
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"71044000,20039000,", |
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"70045000,50030040,50039040,50056040,53030050,45030000,", |
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"131049000,132045000,133043000,134050000,135048000,136047000,137044000,138030000,139029000,140046000,", |
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"109046000,109011000,109109000,", |
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"84048000,", |
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"116049000,", |
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"115047000,593030000,", |
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"118049000,660041233,660042233,660069233,660047233,661041332,303041000,21039332,596039000,", |
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"72030000,117029000,", |
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"69045000,69011000,653043000,65307000,", |
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"69045000,74043000,", |
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"74043000,74011000,653045000,653007000,", |
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"123047000,660041233,660042233,660069233,660049233,303041000,596039000,124077000,126028000,129040000,", |
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"122044000,124043000,124077000,126028000,129040000,", |
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"123044000,125047000,125036000,128048000,128037000,128030000,126028000,129040000,", |
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"124046000,124077000,126045000,126028000,127043000,127017000,", |
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"125046000,125023000,125011000,124077000,610030000,610039000,", |
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"125044000,125011000,125017000,124077000,126028000,", |
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"124045000,124029000,124077000,129046000,129030000,129040000,126028000,", |
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"128044000,128029000,124077000,130043000,130019000,130040000,130003000,126028000,", |
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"129044000,124077000,126028000,", |
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"107044000,132048000,133050000,134049000,135047000,136029000,137030000,138045000,139046000,112043000,", |
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"107050000,131029000,133045000,134046000,135044000,136049000,137047000,138043000,139030000,112048000,", |
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"107029000,131030000,132044000,134047000,135049000,136043000,137045000,138050000,139048000,112046000,", |
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"107047000,131045000,132050000,133048000,135043000,136030000,137046000,138029000,139044000,112049000,", |
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"107045000,131048000,132030000,133046000,134043000,136044000,137049000,138047000,139050000,112029000,", |
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"107043000,131044000,132029000,133049000,134030000,135046000,137050000,138048000,139047000,112045000,", |
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|
"107048000,131047000,132046000,133030000,134029000,135050000,136045000,138049000,139043000,112044000,", |
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"107030000,131043000,132047000,133029000,134044000,135045000,136046000,137048000,139049000,112050000,", |
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"107049000,131050000,132043000,133044000,134045000,135030000,136048000,137029000,138046000,112047000,", |
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"112045000,112011000," |
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}; |
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var caveend: [uint8][] := |
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{ |
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"000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,", |
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"6000,6000,7000,8000,4000,0000,0000,5000,9150,1150,4150,5150,3150,3150,9000,5000,", |
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",", |
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}; |
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||||
|
# Routine to fill travel array for a given location |
||||
|
sub gettrav(loc: uint8) @extern("gettrav") is |
||||
|
var i: uint8; |
||||
|
var t: int32; |
||||
|
var p1: [uint8]; |
||||
|
var q1: [uint8]; |
||||
|
var p2: [uint8]; |
||||
|
var q2: [uint8]; |
||||
|
var buf1: uint8[256]; |
||||
|
var buf2: uint8[256]; |
||||
|
var aptr: [uint8]; |
||||
|
var atrav: uint8[256]; |
||||
|
var hasend: uint8 := 1; |
||||
|
|
||||
|
dummy := strcpy(&buf1[0], cave[loc - 1]); |
||||
|
p1 := &buf1[0]; |
||||
|
|
||||
|
dummy := strcpy(&buf2[0], caveend[loc - 1]); |
||||
|
p2 := &buf2[0]; |
||||
|
|
||||
|
if [p2] == ',' then |
||||
|
hasend := 0; |
||||
|
end if; |
||||
|
|
||||
|
aptr := &atrav[0]; |
||||
|
|
||||
|
q1 := strchr(p1, ','); |
||||
|
while q1 != nil loop |
||||
|
[q1] := 0; |
||||
|
dummy := strcpy(aptr, p1); |
||||
|
p1 := q1 + 1; |
||||
|
|
||||
|
if hasend == 1 then |
||||
|
q2 := strchr(p2, ','); |
||||
|
[q2] := 0; |
||||
|
dummy := strcat(aptr, p2); |
||||
|
p2 := q2 + 1; |
||||
|
end if; |
||||
|
|
||||
|
q1 := strchr(p1, ','); |
||||
|
#print(aptr); print_nl(); |
||||
|
aptr := aptr + strlen(aptr) + 1; |
||||
|
end loop; |
||||
|
[aptr] := 0; |
||||
|
|
||||
|
aptr := &atrav[0]; |
||||
|
|
||||
|
i := 0; |
||||
|
while i < MAXTRAV loop |
||||
|
t := atol(aptr); # convert to long int |
||||
|
travel[i].tcond := (t % 1000) as int16; |
||||
|
t := t / 1000; |
||||
|
travel[i].tverb := (t % 1000) as int16; |
||||
|
t := t / 1000; |
||||
|
travel[i].tdest := (t % 1000) as int16; |
||||
|
|
||||
|
aptr := aptr + strlen(aptr) + 1; |
||||
|
|
||||
|
if [aptr] == 0 then |
||||
|
i := i + 1; |
||||
|
travel[i].tdest := -1; # end of array |
||||
|
if get_dbugflg() == 1 then |
||||
|
i := 0; |
||||
|
while travel[i].tdest != -1 loop |
||||
|
print("cave["); |
||||
|
print(itoa(loc as int16)); |
||||
|
print("] = "); |
||||
|
print(itoa(travel[i].tdest)); |
||||
|
print_char(' '); |
||||
|
print(itoa(travel[i].tverb)); |
||||
|
print_char(' '); |
||||
|
print(itoa(travel[i].tcond)); |
||||
|
print_nl(); |
||||
|
i := i + 1; |
||||
|
end loop; |
||||
|
end if; |
||||
|
return; |
||||
|
end if; |
||||
|
i := i + 1; |
||||
|
end loop; |
||||
|
bug(33); |
||||
|
end sub; |
||||
|
|
||||
|
# Routine to figure out a new location |
||||
|
# given current location and a motion. |
||||
|
sub dotrav(loc: int16, motion: int16, verb:int16) @extern("dotrav") is |
||||
|
var mvflag: uint8; |
||||
|
var hitflag: uint8; |
||||
|
var kk: uint8; |
||||
|
var rdest: int16; |
||||
|
var rverb: int16; |
||||
|
var rcond: int16; |
||||
|
var robject: int16; |
||||
|
var pctt: uint16; |
||||
|
|
||||
|
set_newloc(loc); |
||||
|
mvflag := 0; |
||||
|
hitflag := 0; |
||||
|
pctt := xrnd() % 100; |
||||
|
|
||||
|
kk := 0; |
||||
|
while travel[kk].tdest >= 0 and mvflag == 0 loop |
||||
|
rdest := travel[kk].tdest; |
||||
|
rverb := travel[kk].tverb; |
||||
|
rcond := travel[kk].tcond; |
||||
|
robject := rcond % 100; |
||||
|
|
||||
|
if get_dbugflg() == 1 then |
||||
|
print("rdest = "); |
||||
|
print(itoa(rdest)); |
||||
|
print(", rverb = "); |
||||
|
print(itoa(rverb)); |
||||
|
print(", rcond = "); |
||||
|
print(itoa(rcond)); |
||||
|
print(", robject = "); |
||||
|
print(itoa(robject)); |
||||
|
print(" in dotrav\n"); |
||||
|
end if; |
||||
|
|
||||
|
if rverb != 1 and rverb != motion and hitflag == 0 then |
||||
|
kk := kk + 1; |
||||
|
continue; |
||||
|
end if; |
||||
|
|
||||
|
hitflag := hitflag + 1; |
||||
|
|
||||
|
var r := rcond; |
||||
|
r := r / 100; |
||||
|
if r == 3 or r == 4 or r == 5 then r := 7; end if; |
||||
|
case r is |
||||
|
when 0: |
||||
|
if rcond == 0 or pctt < rcond as uint16 then |
||||
|
mvflag := mvflag + 1; |
||||
|
end if; |
||||
|
if rcond == 1 and get_dbugflg() == 1 then |
||||
|
print("%% move "); |
||||
|
print(itoa(pctt as int16)); |
||||
|
print_char(' '); |
||||
|
print(itoa(mvflag as int16)); |
||||
|
print_nl(); |
||||
|
end if; |
||||
|
when 1: |
||||
|
if robject == 0 or toting(robject as uint16) == 1 then |
||||
|
mvflag := mvflag + 1; |
||||
|
end if; |
||||
|
when 2: |
||||
|
if toting(robject as uint16) == 1 or at(robject as uint16) == 1 then |
||||
|
mvflag := mvflag + 1; |
||||
|
end if; |
||||
|
#when 3: |
||||
|
#when 4: |
||||
|
#when 5: |
||||
|
when 7: |
||||
|
if get_prop(robject as uint8) != (rcond/100)-3 then |
||||
|
mvflag := mvflag + 1; |
||||
|
end if; |
||||
|
when else: |
||||
|
bug(37); |
||||
|
end case; |
||||
|
kk := kk + 1; |
||||
|
end loop; |
||||
|
|
||||
|
if mvflag == 0 then |
||||
|
badmove(motion, verb); |
||||
|
elseif rdest > 500 then |
||||
|
rspeak((rdest-500) as uint8); |
||||
|
elseif rdest>300 then |
||||
|
spcmove(rdest as uint16); |
||||
|
else |
||||
|
set_newloc(rdest); |
||||
|
if get_dbugflg() == 1 then |
||||
|
print("newloc in dotrav = "); |
||||
|
print(itoa(rdest)); #newloc |
||||
|
print_nl(); |
||||
|
end if; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
# Routine to copy a travel array |
||||
|
sub copytrv(trav1: [trav], trav2: [trav]) is |
||||
|
var i: uint8; |
||||
|
|
||||
|
i := 0; |
||||
|
while i < MAXTRAV loop |
||||
|
[trav2].tdest := [trav1].tdest; |
||||
|
[trav2].tverb := [trav1].tverb; |
||||
|
[trav2].tcond := [trav1].tcond; |
||||
|
trav1 := @next trav1; |
||||
|
trav2 := @next trav2; |
||||
|
i := i + 1; |
||||
|
end loop; |
||||
|
end sub; |
||||
|
|
||||
|
# Routine to handle request to return |
||||
|
# from whence we came! |
||||
|
sub goback(loc: int16, oldloc: int16, oldloc2: int16, verb: int16) @extern("goback") is |
||||
|
var kk: uint8; |
||||
|
var k2: uint8; |
||||
|
var want: int16; |
||||
|
var temp: int16; |
||||
|
var strav: trav[MAXTRAV]; |
||||
|
|
||||
|
if forced(oldloc as uint16) == 1 then |
||||
|
want := oldloc2; |
||||
|
else |
||||
|
want := oldloc; |
||||
|
end if; |
||||
|
set_oldloc2(oldloc); |
||||
|
oldloc2 := oldloc; |
||||
|
set_oldloc(loc); |
||||
|
oldloc := loc; |
||||
|
k2 := 0; |
||||
|
if want == loc then |
||||
|
rspeak(91); |
||||
|
return; |
||||
|
end if; |
||||
|
copytrv(&travel[0], &strav[0]); |
||||
|
kk := 0; |
||||
|
while travel[kk].tdest != 0xFFFF loop |
||||
|
if travel[kk].tcond == 0 and travel[kk].tdest == want then |
||||
|
set_motion(travel[kk].tverb); |
||||
|
dotrav(loc, travel[kk].tverb, verb); |
||||
|
return; |
||||
|
end if; |
||||
|
if travel[kk].tcond == 0 then |
||||
|
k2 := kk; |
||||
|
temp := travel[kk].tdest; |
||||
|
gettrav(temp as uint8); |
||||
|
if forced(temp as uint16) == 1 and travel[0].tdest == want then |
||||
|
k2 := temp as uint8; |
||||
|
end if; |
||||
|
copytrv(&strav[0], &travel[0]); |
||||
|
end if; |
||||
|
kk := kk + 1; |
||||
|
end loop; |
||||
|
if k2 > 0 then |
||||
|
set_motion(travel[k2].tverb); |
||||
|
dotrav(loc, travel[k2].tverb, verb); |
||||
|
else |
||||
|
rspeak(140); |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
Binary file not shown.
Binary file not shown.
Binary file not shown.
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Binary file not shown.
Binary file not shown.
Binary file not shown.
Binary file not shown.
@ -0,0 +1,32 @@ |
|||||
|
include "misc.coh"; |
||||
|
|
||||
|
var fp: int16; |
||||
|
|
||||
|
sub factorial(n: int16): (ret: int16) is |
||||
|
var tmp: int16; |
||||
|
|
||||
|
if n == 1 then |
||||
|
ret := 1; |
||||
|
else |
||||
|
# ret := n * factorial(n - 1); |
||||
|
@asm "ld hl,(", n, ")"; |
||||
|
@asm "push hl"; |
||||
|
n := n - 1; |
||||
|
@asm "ld hl,(", n, ")"; |
||||
|
@asm "ld ix,(", fp, ")"; |
||||
|
@asm "ld de, 1f"; |
||||
|
@asm "push de"; |
||||
|
@asm "jp (ix)"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld (", tmp, "),hl"; #tmp = factorial(n-1) |
||||
|
@asm "pop hl"; |
||||
|
@asm "ld (", n, "),hl"; |
||||
|
ret := n * tmp; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
#setup pointer to factorial |
||||
|
@asm "ld hl,", factorial; |
||||
|
@asm "ld (", fp, "),hl"; |
||||
|
|
||||
|
print_i16(factorial(5)); |
||||
Binary file not shown.
@ -1,2 +1,2 @@ |
|||||
COWGOL HEXDUMP.COW |
|
||||
|
COWGOL -M HEXDUMP.COW |
||||
|
|
||||
@ -0,0 +1,17 @@ |
|||||
|
sub Exit() is |
||||
|
@asm "rst 0"; |
||||
|
end sub; |
||||
|
|
||||
|
sub MemSet(buf: [uint8], ch: uint8, len: uint16) is |
||||
|
# A=ch, HL=buf |
||||
|
@asm "ld de,(", len, ")"; # DE=len |
||||
|
@asm "jp __MemSet"; |
||||
|
end sub; |
||||
|
|
||||
|
sub MemCopy(src: [uint8], len: uint16, dest: [uint8]) is |
||||
|
# HL=src |
||||
|
@asm "ld de,(", dest, ")"; # DE=dest |
||||
|
@asm "ld bc,(", len, ")"; # BC=len |
||||
|
@asm "jp __MemCopy"; |
||||
|
end sub; |
||||
|
|
||||
@ -0,0 +1,19 @@ |
|||||
|
sub BiosSetup() is |
||||
|
@asm "jp __BiosSetup"; |
||||
|
end sub; |
||||
|
|
||||
|
sub ConOut(ch: uint8) is |
||||
|
@asm "jp __ConOut"; |
||||
|
end sub; |
||||
|
|
||||
|
sub ConIn(): (ret: uint8) is |
||||
|
@asm "jp __ConIn"; |
||||
|
end sub; |
||||
|
|
||||
|
sub ConSts(): (ret: uint8) is |
||||
|
@asm "jp __ConSts"; |
||||
|
end sub; |
||||
|
|
||||
|
sub putstr(str: [uint8]) is |
||||
|
@asm "jp __putstr"; |
||||
|
end sub; |
||||
@ -0,0 +1,35 @@ |
|||||
|
sub get_char(): (ch: uint8) is |
||||
|
@asm "jp __get_char"; |
||||
|
end sub; |
||||
|
|
||||
|
sub get_str(buf: [uint8]) is |
||||
|
@asm "jp __get_str"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_char(ch: uint8) is |
||||
|
@asm "jp __print_char"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print(buf: [uint8]) is |
||||
|
@asm "jp __print"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_nl() is |
||||
|
@asm "jp __print_nl"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_i8(n: int8) is |
||||
|
@asm "jp __print_i8"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_i16(n: int16) is |
||||
|
@asm "jp __print_i16"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_hex_i8(n: int8) is |
||||
|
@asm "jp __print_hex_i8"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_hex_i16(n: int16) is |
||||
|
@asm "jp __print_hex_i16"; |
||||
|
end sub; |
||||
@ -0,0 +1,41 @@ |
|||||
|
sub positive(fp: int16): (ret: int16) is |
||||
|
@asm "jp __positive"; |
||||
|
end sub; |
||||
|
|
||||
|
sub neg(fp: int16): (ret: int16) is |
||||
|
@asm "jp __neg"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fpmul(fp1: int16, fp2: int16): (ret: int16) is |
||||
|
# HL=fp1 |
||||
|
@asm "ld de,(", fp2, ")"; # DE=fp2 |
||||
|
@asm "jp __fpmul"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fpdiv(fp1: int16, fp2: int16): (ret: int16) is |
||||
|
# HL=fp1 |
||||
|
@asm "ld de,(", fp2, ")"; # DE=fp2 |
||||
|
@asm "jp __fpdiv"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fpsqrt(fp: int16): (ret: int16) is |
||||
|
@asm "jp __fpsqrt"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fpsin(fp: int16): (ret: int16) is |
||||
|
@asm "jp __fpsin"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fpcos(fp: int16): (ret: int16) is |
||||
|
@asm "jp __fpcos"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fparctan(fp: int16): (ret: int16) is |
||||
|
@asm "jp __fparctan"; |
||||
|
end sub; |
||||
|
|
||||
|
sub xdivytofp(x: int16, y: int16): (ret: int16) is |
||||
|
# HL=x |
||||
|
@asm "ld bc,(", y, ")"; # BC=y |
||||
|
@asm "jp __xdivytofp"; |
||||
|
end sub; |
||||
Binary file not shown.
@ -0,0 +1,35 @@ |
|||||
|
sub IsDigit(ch: uint8): (ret: uint8) is |
||||
|
# A=ch |
||||
|
@asm "jp __IsDigit"; |
||||
|
end sub; |
||||
|
|
||||
|
sub ToLower(c: uint8): (cc: uint8) is |
||||
|
# A=ch |
||||
|
@asm "jp __ToLower"; |
||||
|
end sub; |
||||
|
|
||||
|
sub CopyString(src: [uint8], dest: [uint8]) is |
||||
|
# HL=src |
||||
|
@asm "ld de,(", dest, ")"; # DE=dest |
||||
|
@asm "jp __CopyString"; |
||||
|
end sub; |
||||
|
|
||||
|
sub StrCmp(s1: [uint8], s2: [uint8]): (res: int8) is |
||||
|
# HL=s1 |
||||
|
@asm "ld de,(", s2, ")"; # DE=s2 |
||||
|
@asm "jp __StrCmp"; |
||||
|
end sub; |
||||
|
|
||||
|
sub StrICmp(s1: [uint8], s2: [uint8]): (res: int8) is |
||||
|
# HL=s1 |
||||
|
@asm "ld de,(", s2, ")"; # DE=s2 |
||||
|
@asm "jp __StrICmp"; |
||||
|
end sub; |
||||
|
|
||||
|
sub StrLen(s: [uint8]): (size: uint16) is |
||||
|
# HL = s |
||||
|
@asm "jp __StrLen"; |
||||
|
end sub; |
||||
|
|
||||
|
|
||||
|
|
||||
@ -0,0 +1,36 @@ |
|||||
|
@decl sub exit() @extern("exit"); |
||||
|
|
||||
|
@decl sub get_char(): (c: uint8) @extern("get_char"); |
||||
|
@decl sub get_line(p: [uint8]) @extern("get_line"); |
||||
|
@decl sub print_char(c: uint8) @extern("print_char"); |
||||
|
@decl sub print(ptr: [uint8]) @extern("print"); |
||||
|
@decl sub print_nl() @extern("print_nl"); |
||||
|
|
||||
|
@decl sub print_hex_i8(char: uint8) @extern("print_hex_i8"); |
||||
|
@decl sub print_hex_i16(word: uint16) @extern("print_hex_i16"); |
||||
|
@decl sub print_hex_i32(dword: uint32) @extern("print_hex_i32"); |
||||
|
|
||||
|
@decl sub print_i8(v: int8) @extern("print_i8"); |
||||
|
@decl sub print_i16(v: int16) @extern("print_i16"); |
||||
|
|
||||
|
@decl sub isdigit(ch: uint8): (ret: uint8) @extern("isdigit"); |
||||
|
|
||||
|
@decl sub itoa(i: int16): (pbuf: [uint8]) @extern("itoa"); |
||||
|
@decl sub uitoa(i: uint16): (pbuf: [uint8]) @extern("uitoa"); |
||||
|
@decl sub ltoa(i: int32): (pbuf: [uint8]) @extern("ltoa"); |
||||
|
@decl sub atoi(p: [uint8]): (ret: int16) @extern("atoi"); |
||||
|
@decl sub atol(p: [uint8]): (ret: int32) @extern("atol"); |
||||
|
|
||||
|
@decl sub atofixed(p: [uint8]): (ret: uint16) @extern("atofixed"); |
||||
|
|
||||
|
# fdigits: number of digits in fractional part |
||||
|
@decl sub fixedtoa(f: uint16, fdigits: uint8): (ret: [uint8]) @extern("fixedtoa"); |
||||
|
|
||||
|
@decl sub memcpy(dest: [uint8], src: [uint8], size: uint16): (ret: [uint8]) @extern("memcpy"); |
||||
|
@decl sub memset(dest: [uint8], char: uint8, size: uint16): (ret: [uint8]) @extern("memset"); |
||||
|
|
||||
|
@decl sub xrnd() :(ret: uint16) @extern("xrnd"); |
||||
|
@decl sub xrndseed() @extern("xrndseed"); |
||||
|
|
||||
|
@decl sub ArgvInit() @extern("ArgvInit"); |
||||
|
@decl sub ArgvNext(): (arg: [uint8]) extern("ArgvNext"); |
||||
Binary file not shown.
@ -0,0 +1,646 @@ |
|||||
|
sub exit() @extern("exit") is |
||||
|
@asm "rst 0"; |
||||
|
end sub; |
||||
|
|
||||
|
sub get_char(): (c: uint8) @extern("get_char") is |
||||
|
@asm "ld c, 1"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", c, "), a"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_char(c: uint8) @extern("print_char") is |
||||
|
if c == 10 then |
||||
|
@asm "ld e, 13"; |
||||
|
@asm "ld c, 2"; |
||||
|
@asm "call 5"; |
||||
|
end if; |
||||
|
@asm "ld a, (", c, ")"; |
||||
|
@asm "ld e, a"; |
||||
|
@asm "ld c, 2"; |
||||
|
@asm "call 5"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print(ptr: [uint8]) @extern("print") is |
||||
|
var ch: uint8; |
||||
|
@asm "ld hl,(", ptr, ")"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "or a"; |
||||
|
@asm "ret z"; |
||||
|
@asm "ld (", ch, "), a"; |
||||
|
@asm "push hl"; |
||||
|
print_char(ch); |
||||
|
@asm "pop hl"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "jr 1b"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_nl() @extern("print_nl") is |
||||
|
print_char('\n'); |
||||
|
end sub; |
||||
|
|
||||
|
sub print_hex_i8(char: uint8) @extern("print_hex_i8") is |
||||
|
var ra: uint8; |
||||
|
@asm "call Bin2Hex"; |
||||
|
@asm "push bc"; |
||||
|
@asm "ld (", ra, "),a"; |
||||
|
print_char(ra); |
||||
|
@asm "pop bc"; |
||||
|
@asm "ld a,c"; |
||||
|
@asm "ld (", ra, "),a"; |
||||
|
print_char(ra); |
||||
|
@asm "ret"; |
||||
|
@asm "Bin2Hex:"; |
||||
|
@asm "ld c,a"; |
||||
|
@asm "and 0FH"; |
||||
|
@asm "call nibble2hex"; |
||||
|
@asm "ld a,c"; |
||||
|
@asm "ld c,b"; |
||||
|
@asm "and 0F0H"; |
||||
|
@asm "rrca"; |
||||
|
@asm "rrca"; |
||||
|
@asm "rrca"; |
||||
|
@asm "rrca"; |
||||
|
@asm "nibble2hex:"; |
||||
|
@asm "add a,090h"; |
||||
|
@asm "daa"; |
||||
|
@asm "adc a,040h"; |
||||
|
@asm "daa"; |
||||
|
@asm "ld b,a"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_hex_i16(word: uint16) @extern("print_hex_i16") is |
||||
|
var ra: uint8; |
||||
|
@asm "ld a,(", word, "+1)"; |
||||
|
@asm "ld (", ra, "),a"; |
||||
|
print_hex_i8(ra); |
||||
|
@asm "ld a,(", word, ")"; |
||||
|
@asm "ld (", ra, "),a"; |
||||
|
print_hex_i8(ra); |
||||
|
end sub; |
||||
|
|
||||
|
sub print_hex_i32(dword: uint32) @extern("print_hex_i32") is |
||||
|
var v16: uint16; |
||||
|
@asm "ld hl,(", dword, "+2)"; |
||||
|
@asm "ld (", v16, "),hl"; |
||||
|
print_hex_i16(v16); |
||||
|
@asm "ld hl,(", dword, ")"; |
||||
|
@asm "ld (", v16, "),hl"; |
||||
|
print_hex_i16(v16); |
||||
|
end sub; |
||||
|
|
||||
|
sub Bn2Dec() is |
||||
|
@asm "ld (bufptr),hl"; |
||||
|
@asm "ld (buffer),hl"; |
||||
|
@asm "ex de,hl"; |
||||
|
@asm "xor a"; |
||||
|
@asm "ld (curlen),a"; |
||||
|
@asm "cnvert:"; |
||||
|
@asm "ld e,0"; |
||||
|
@asm "ld b,16"; |
||||
|
@asm "or a"; |
||||
|
@asm "dvloop:"; |
||||
|
@asm "rl l"; |
||||
|
@asm "rl h"; |
||||
|
@asm "rl e"; |
||||
|
@asm "ld a,e"; |
||||
|
@asm "sub 10"; |
||||
|
@asm "ccf"; |
||||
|
@asm "jr nc,deccnt"; |
||||
|
@asm "ld e,a"; |
||||
|
@asm "deccnt:"; |
||||
|
@asm "djnz dvloop"; |
||||
|
@asm "rl l"; |
||||
|
@asm "rl h"; |
||||
|
@asm "chins:"; |
||||
|
@asm "ld a,e"; |
||||
|
@asm "add a,30h"; |
||||
|
@asm "call insert"; |
||||
|
@asm "ld a,h"; |
||||
|
@asm "or l"; |
||||
|
@asm "jr nz,cnvert"; |
||||
|
@asm "ld hl,(buffer)"; |
||||
|
@asm "ld c,(hl)"; |
||||
|
@asm "ld b,0"; |
||||
|
@asm "ld d,h"; |
||||
|
@asm "ld e,l"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "ldir"; |
||||
|
@asm "xor a"; |
||||
|
@asm "ld (de),a"; |
||||
|
@asm "ret"; |
||||
|
@asm "insert:"; |
||||
|
@asm "push hl"; |
||||
|
@asm "push af"; |
||||
|
@asm "ld hl,(bufptr)"; |
||||
|
@asm "ld d,h"; |
||||
|
@asm "ld e,l"; |
||||
|
@asm "inc de"; |
||||
|
@asm "ld (bufptr),de"; |
||||
|
@asm "ld a,(curlen)"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr z,exitmr"; |
||||
|
@asm "ld c,a"; |
||||
|
@asm "ld b,0"; |
||||
|
@asm "lddr"; |
||||
|
@asm "exitmr:"; |
||||
|
@asm "ld a,(curlen)"; |
||||
|
@asm "inc a"; |
||||
|
@asm "ld (curlen),a"; |
||||
|
@asm "ld (hl),a"; |
||||
|
@asm "ex de,hl"; |
||||
|
@asm "pop af"; |
||||
|
@asm "ld (hl),a"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "ret"; |
||||
|
@asm "buffer: defs 2"; |
||||
|
@asm "bufptr: defs 2"; |
||||
|
@asm "curlen: defs 1"; |
||||
|
end sub; |
||||
|
|
||||
|
var buf12:uint8[12]; |
||||
|
|
||||
|
sub print_i8(v: int8) @extern("print_i8") is |
||||
|
@asm "ld hl,", buf12 ; |
||||
|
@asm "ld a,(", v, ")"; |
||||
|
@asm "or a"; |
||||
|
@asm "jp p,1f"; |
||||
|
@asm "ld (hl),'-'"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "neg"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld e,a"; |
||||
|
@asm "ld d,0"; |
||||
|
Bn2Dec(); |
||||
|
print(&buf12[0]); |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub print_i16(v: int16) @extern("print_i16") is |
||||
|
@asm "ld hl,", buf12 ; |
||||
|
@asm "ld de,(", v, ")"; |
||||
|
@asm "bit 7,d"; |
||||
|
@asm "jr z,1f"; |
||||
|
@asm "xor a"; |
||||
|
@asm "ld hl,0"; |
||||
|
@asm "sbc hl,de"; |
||||
|
@asm "ex de,hl"; |
||||
|
@asm "ld hl,", buf12 ; |
||||
|
@asm "ld (hl),'-'"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "1:"; |
||||
|
Bn2Dec(); |
||||
|
print(&buf12[0]); |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub get_line(p: [uint8]) @extern("get_line") is |
||||
|
var ch: uint8; |
||||
|
|
||||
|
loop |
||||
|
ch := get_char(); |
||||
|
if ch == '\r' then |
||||
|
print_nl(); |
||||
|
[p] := 0; |
||||
|
return; |
||||
|
end if; |
||||
|
[p] := ch; |
||||
|
p := p + 1; |
||||
|
end loop; |
||||
|
end sub; |
||||
|
|
||||
|
sub itoa(i: int16): (pbuf: [uint8]) @extern("itoa") is |
||||
|
var sign: uint8; |
||||
|
|
||||
|
pbuf := &buf12[8]; # points to terminating zero |
||||
|
[pbuf] := 0; |
||||
|
|
||||
|
if (i >= 0) then |
||||
|
sign := 0; |
||||
|
else |
||||
|
i := -i; sign := 1; |
||||
|
end if; |
||||
|
|
||||
|
loop |
||||
|
pbuf := pbuf - 1; |
||||
|
[pbuf] := '0' + ((i % 10) as uint8); |
||||
|
i := i / 10; |
||||
|
if i == 0 then break; end if; |
||||
|
end loop; |
||||
|
|
||||
|
if (sign == 1) then |
||||
|
pbuf := pbuf - 1; [pbuf] := '-'; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub uitoa(i: uint16): (pbuf: [uint8]) @extern("uitoa") is |
||||
|
pbuf := &buf12[8]; # points to terminating zero |
||||
|
[pbuf] := 0; |
||||
|
|
||||
|
loop |
||||
|
pbuf := pbuf - 1; |
||||
|
[pbuf] := '0' + ((i % 10) as uint8); |
||||
|
i := i / 10; |
||||
|
if i == 0 then break; end if; |
||||
|
end loop; |
||||
|
end sub; |
||||
|
|
||||
|
sub ltoa(i: int32): (pbuf: [uint8]) @extern("ltoa") is |
||||
|
var sign: uint8 := 0; |
||||
|
|
||||
|
if i < 0 then |
||||
|
sign := 1; |
||||
|
end if; |
||||
|
|
||||
|
pbuf := &buf12[11]; # points to terminating zero |
||||
|
[pbuf] := 0; |
||||
|
|
||||
|
loop |
||||
|
pbuf := pbuf - 1; |
||||
|
[pbuf] := '0' + ((i % 10) as uint8); |
||||
|
i := i / 10; |
||||
|
if i == 0 then break; end if; |
||||
|
end loop; |
||||
|
|
||||
|
if sign == 1 then |
||||
|
pbuf := pbuf - 1; |
||||
|
[pbuf] := '-'; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub isdigit(ch: uint8): (ret: uint8) @extern("isdigit") is |
||||
|
@asm "ld a,(", ch, ")"; |
||||
|
@asm "cp 30h"; |
||||
|
@asm "jr c,1f"; |
||||
|
@asm "cp 3Ah"; |
||||
|
@asm "jr nc,1f"; |
||||
|
@asm "ld a,1"; |
||||
|
@asm "ret"; |
||||
|
@asm "1:"; |
||||
|
@asm "xor a"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub atoi(p: [uint8]): (ret: int16) @extern("atoi") is |
||||
|
var sign: uint8 := 0; |
||||
|
ret := 0; |
||||
|
|
||||
|
if [p] == '-' then |
||||
|
sign := 1; |
||||
|
p := p + 1; |
||||
|
elseif [p] == '+' then |
||||
|
p := p + 1; |
||||
|
end if; |
||||
|
|
||||
|
while [p] != 0 loop |
||||
|
if isdigit([p]) == 1 then |
||||
|
ret := ret * 10 + (([p] - '0') as int16); |
||||
|
p := p + 1; |
||||
|
else |
||||
|
break; |
||||
|
end if; |
||||
|
end loop; |
||||
|
|
||||
|
if sign == 1 then |
||||
|
ret := -ret; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub atol(p: [uint8]): (ret: int32) @extern("atol") is |
||||
|
var sign: uint8 := 0; |
||||
|
|
||||
|
ret := 0; |
||||
|
if [p] == '-' then |
||||
|
sign := 1; |
||||
|
p := p + 1; |
||||
|
end if; |
||||
|
while [p] != 0 loop |
||||
|
if isdigit([p]) == 1 then |
||||
|
ret := ret * 10 + (([p] - '0') as int32); p := p + 1; |
||||
|
else |
||||
|
ret := -1; return; |
||||
|
end if; |
||||
|
end loop; |
||||
|
if sign == 1 then |
||||
|
ret := -ret; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
# accepts [+|-]iii[.ddd] min -127.999 max 127.999 |
||||
|
sub atofixed(p: [uint8]): (ret: uint16) @extern("atofixed") is |
||||
|
var intp: int16 := 0; |
||||
|
var dec: uint16 := 0; |
||||
|
var sign: uint8 := 0; |
||||
|
var i: uint8; |
||||
|
|
||||
|
sub check_int(): (isok: uint8) is |
||||
|
isok := 1; |
||||
|
if intp > 127 then |
||||
|
ret := 0; |
||||
|
isok := 0; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub set_sign() is |
||||
|
if sign == 1 then |
||||
|
intp := -intp; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub get_dec(): (isok: uint8) is |
||||
|
var s16: uint16 := 0; |
||||
|
var f: uint16 := 1000; |
||||
|
|
||||
|
i := 0; |
||||
|
while i<3 loop |
||||
|
if isdigit([p]) == 1 then |
||||
|
s16 := s16 + ([p] - '0') as uint16 * f; |
||||
|
f := f / 10; |
||||
|
p := p + 1; |
||||
|
elseif [p] == 0 then |
||||
|
if s16 == 0 then isok := 1; return; end if; |
||||
|
break; |
||||
|
else |
||||
|
isok := 0; |
||||
|
return; |
||||
|
end if; |
||||
|
i := i + 1; |
||||
|
end loop; |
||||
|
|
||||
|
if s16 >= 5000 then |
||||
|
dec := dec | 0b10000000; |
||||
|
s16 := s16 - 5000; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 2500 then |
||||
|
dec := dec | 0b01000000; |
||||
|
s16 := s16 - 2500; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 1250 then |
||||
|
dec := dec | 0b00100000; |
||||
|
s16 := s16 - 1250; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 0625 then |
||||
|
dec := dec | 0b00010000; |
||||
|
s16 := s16 - 0625; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 0312 then |
||||
|
dec := dec | 0b00001000; |
||||
|
s16 := s16 - 0312; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 0156 then |
||||
|
dec := dec | 0b00000100; |
||||
|
s16 := s16 - 0156; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 0078 then |
||||
|
dec := dec | 0b00000010; |
||||
|
s16 := s16 - 0078; |
||||
|
end if; |
||||
|
|
||||
|
if s16 >= 0039 then |
||||
|
dec := dec | 0b00000001; |
||||
|
end if; |
||||
|
|
||||
|
isok := 1; |
||||
|
end sub; |
||||
|
|
||||
|
if [p] == '+' then |
||||
|
p := p + 1; |
||||
|
elseif [p] == '-' then |
||||
|
sign := 1; |
||||
|
p := p + 1; |
||||
|
end if; |
||||
|
|
||||
|
i := 0; |
||||
|
while i < 3 loop |
||||
|
if isdigit([p]) == 1 then |
||||
|
intp := intp * 10; |
||||
|
intp := intp + ([p] - '0') as int16; |
||||
|
p := p + 1; |
||||
|
elseif [p] == '.' then |
||||
|
p := p + 1; |
||||
|
if check_int() == 0 then return; end if; |
||||
|
set_sign(); |
||||
|
if get_dec() == 0 then return; end if; |
||||
|
ret := (intp << 8) as uint16 | dec; |
||||
|
return; |
||||
|
elseif [p] == 0 then |
||||
|
if check_int() == 0 then return; end if; |
||||
|
set_sign(); |
||||
|
ret := (intp << 8) as uint16; |
||||
|
return; |
||||
|
else |
||||
|
ret := 0; |
||||
|
return; |
||||
|
end if; |
||||
|
i := i + 1; |
||||
|
end loop; |
||||
|
|
||||
|
if check_int() == 0 then return; end if; |
||||
|
|
||||
|
if [p] == '.' then |
||||
|
p := p + 1; |
||||
|
set_sign(); |
||||
|
if get_dec() == 0 then return; end if; |
||||
|
ret := (intp << 8) as uint16 | dec; |
||||
|
elseif [p] == 0 then |
||||
|
set_sign(); |
||||
|
ret := (intp << 8) as uint16; |
||||
|
else |
||||
|
ret := 0; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub fixedtoa(f: uint16, fdigits: uint8): (ret: [uint8]) @extern("fixedtoa") is |
||||
|
var intp: int8; |
||||
|
var sign: uint8 := 0; |
||||
|
var dec: uint8; |
||||
|
var vdec: uint32 := 0; |
||||
|
var pbuf: [uint8] := &buf12[4]; # position of . |
||||
|
var i: uint8; |
||||
|
|
||||
|
if fdigits > 3 then fdigits := 3; end if; |
||||
|
|
||||
|
intp := (f >> 8) as int8; |
||||
|
dec := f as uint8; |
||||
|
|
||||
|
if intp < 0 then |
||||
|
intp := - intp; |
||||
|
sign := 1; |
||||
|
end if; |
||||
|
|
||||
|
#first the integer part, without leading zeros |
||||
|
loop |
||||
|
pbuf := pbuf - 1; |
||||
|
[pbuf] := '0' + ((intp % 10) as uint8); |
||||
|
intp := intp / 10; |
||||
|
if intp == 0 then break; end if; |
||||
|
end loop; |
||||
|
|
||||
|
if (sign == 1) then |
||||
|
pbuf := pbuf - 1; [pbuf] := '-'; |
||||
|
end if; |
||||
|
|
||||
|
ret := pbuf; #to be returned... |
||||
|
|
||||
|
#fractional part requested...? |
||||
|
|
||||
|
if fdigits == 0 then |
||||
|
buf12[4] := 0; #...no, keep only the integer part |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
#...yes, build fractional part |
||||
|
|
||||
|
pbuf := &buf12[4]; |
||||
|
[pbuf] := '.'; |
||||
|
|
||||
|
if dec & 0b00000001 != 0 then vdec := vdec + 00390625; end if; |
||||
|
if dec & 0b00000010 != 0 then vdec := vdec + 00781250; end if; |
||||
|
if dec & 0b00000100 != 0 then vdec := vdec + 01562500; end if; |
||||
|
if dec & 0b00001000 != 0 then vdec := vdec + 03125000; end if; |
||||
|
if dec & 0b00010000 != 0 then vdec := vdec + 06250000; end if; |
||||
|
if dec & 0b00100000 != 0 then vdec := vdec + 12500000; end if; |
||||
|
if dec & 0b01000000 != 0 then vdec := vdec + 25000000; end if; |
||||
|
if dec & 0b10000000 != 0 then vdec := vdec + 50000000; end if; |
||||
|
|
||||
|
vdec := vdec / 100000; #keep only the 3 top digits |
||||
|
|
||||
|
pbuf := &buf12[8]; |
||||
|
i := 0; |
||||
|
while i < 3 loop |
||||
|
pbuf := pbuf - 1; |
||||
|
[pbuf] := '0' + ((vdec % 10) as uint8); |
||||
|
vdec := vdec / 10; |
||||
|
i := i + 1; |
||||
|
end loop; |
||||
|
|
||||
|
# keep only 'fdigits' digits |
||||
|
|
||||
|
buf12[4+fdigits+1] := 0; |
||||
|
end sub; |
||||
|
|
||||
|
sub memcpy(dest: [uint8], src: [uint8], size: uint16): (ret: [uint8]) @extern("memcpy") is |
||||
|
@asm "ld hl,(", src, ")"; |
||||
|
@asm "ld de,(", dest, ")"; |
||||
|
@asm "ld bc,(", size, ")"; |
||||
|
@asm "push de"; |
||||
|
@asm "ld a,b"; |
||||
|
@asm "or c"; |
||||
|
@asm "jr z,1f"; |
||||
|
@asm "ldir"; |
||||
|
@asm "1:"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub memset(dest: [uint8], char: uint8, size: uint16): (ret: [uint8]) @extern("memset") is |
||||
|
@asm "ld hl,(", dest, ")"; |
||||
|
@asm "ld bc,(", size, ")"; |
||||
|
@asm "ld a,(", char, ")"; |
||||
|
@asm "ld e,a"; |
||||
|
@asm "push hl"; |
||||
|
@asm "2:"; |
||||
|
@asm "ld a,b"; |
||||
|
@asm "or c"; |
||||
|
@asm "jr z,1f"; |
||||
|
@asm "ld (hl),e"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "dec bc"; |
||||
|
@asm "jr 2b"; |
||||
|
@asm "1:"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
var random: uint16; |
||||
|
|
||||
|
sub xrnd(): (ret: uint16) @extern("xrnd") is |
||||
|
@asm " ld hl,(", random, ")"; |
||||
|
@asm " ld a,h "; |
||||
|
@asm " rra "; |
||||
|
@asm " ld a,l "; |
||||
|
@asm " rra "; |
||||
|
@asm " xor h "; |
||||
|
@asm " ld h,a "; |
||||
|
@asm " ld a,l "; |
||||
|
@asm " rra "; |
||||
|
@asm " ld a,h "; |
||||
|
@asm " rra "; |
||||
|
@asm " xor l "; |
||||
|
@asm " ld l,a "; |
||||
|
@asm " xor h "; |
||||
|
@asm " ld h,a "; |
||||
|
@asm " ld (", random, "),hl "; |
||||
|
@asm " res 7,h "; |
||||
|
@asm " ld (", ret, "),hl"; |
||||
|
@asm " ret "; |
||||
|
end sub; |
||||
|
|
||||
|
sub xrndseed() @extern("xrndseed") is |
||||
|
@asm " ld a,r "; |
||||
|
@asm " ld l,a "; |
||||
|
@asm " ld a,r "; |
||||
|
@asm " ld h,a "; |
||||
|
@asm " or l "; |
||||
|
@asm " jr nz,1f "; |
||||
|
@asm " inc hl "; |
||||
|
@asm " 1: "; |
||||
|
@asm " ld (", random, "),hl "; |
||||
|
@asm " ret "; |
||||
|
end sub; |
||||
|
|
||||
|
var argv_pointer: [uint8]; |
||||
|
|
||||
|
sub ArgvInit() @extern("ArgvInit") is |
||||
|
argv_pointer := 0x81 as [uint8]; |
||||
|
[argv_pointer + [0x80 as [uint8]] as intptr] := 0; |
||||
|
end sub; |
||||
|
|
||||
|
# Returns null is there's no next argument. |
||||
|
sub ArgvNext(): (arg: [uint8]) extern("ArgvNext") is |
||||
|
# No more arguments? |
||||
|
|
||||
|
if argv_pointer == (0 as [uint8]) then |
||||
|
arg := argv_pointer; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
# Skip leading whitespace. |
||||
|
|
||||
|
var c: uint8; |
||||
|
loop |
||||
|
c := [argv_pointer]; |
||||
|
if c != ' ' then |
||||
|
break; |
||||
|
end if; |
||||
|
argv_pointer := argv_pointer + 1; |
||||
|
end loop; |
||||
|
|
||||
|
arg := argv_pointer; |
||||
|
|
||||
|
# Skip to end of word and terminate. |
||||
|
|
||||
|
loop |
||||
|
c := [argv_pointer]; |
||||
|
if (c == ' ') or (c == '\n') or (c == 0) then |
||||
|
break; |
||||
|
end if; |
||||
|
argv_pointer := argv_pointer + 1; |
||||
|
end loop; |
||||
|
[argv_pointer] := 0; |
||||
|
|
||||
|
if c == ' ' then |
||||
|
argv_pointer := argv_pointer + 1; |
||||
|
else |
||||
|
argv_pointer := 0 as [uint8]; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
|
||||
Binary file not shown.
@ -0,0 +1,10 @@ |
|||||
|
@decl sub FCBOpenIn(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenIn"); |
||||
|
@decl sub FCBOpenUp(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenUp"); |
||||
|
@decl sub FCBOpenOut(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenOut"); |
||||
|
@decl sub FCBClose(fcb: [FCB]): (errno: uint8) @extern("FCBClose"); |
||||
|
@decl sub FCBSeek(fcb: [FCB], pos: uint32) @extern("FCBSeek"); |
||||
|
@decl sub FCBPos(fcb: [FCB]): (pos: uint32) @extern("FCBPos"); |
||||
|
@decl sub FCBExt(fcb: [FCB]): (len: uint32) @extern("FCBExt"); |
||||
|
@decl sub FCBGetChar(fcb: [FCB]): (c: uint8) @extern("FCBGetChar"); |
||||
|
@decl sub FCBPutChar(fcb: [FCB], c: uint8) @extern("FCBPutChar"); |
||||
|
|
||||
Binary file not shown.
@ -0,0 +1,214 @@ |
|||||
|
sub memset(dest: [uint8], char: uint8, size: uint16) is |
||||
|
@asm "ld hl,(", dest, ")"; |
||||
|
@asm "ld bc,(", size, ")"; |
||||
|
@asm "ld a,(", char, ")"; |
||||
|
@asm "ld e,a"; |
||||
|
@asm "2:"; |
||||
|
@asm "ld a,b"; |
||||
|
@asm "or c"; |
||||
|
@asm "ret z"; |
||||
|
@asm "ld (hl),e"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "dec bc"; |
||||
|
@asm "jr 2b"; |
||||
|
end sub; |
||||
|
|
||||
|
# file I/O support --------------------------------------------------------- |
||||
|
|
||||
|
record CpmFCB is |
||||
|
dr: uint8; |
||||
|
f: uint8[11]; |
||||
|
ex: uint8; |
||||
|
s1: uint8; |
||||
|
s2: uint8; |
||||
|
rc: uint8; |
||||
|
d: uint8[16]; |
||||
|
cr: uint8; |
||||
|
r: uint16; |
||||
|
r2: uint8; |
||||
|
end record; |
||||
|
|
||||
|
record FCB is |
||||
|
bufferptr: uint8; # byte just read |
||||
|
dirty: uint8; |
||||
|
cpm: CpmFCB; |
||||
|
buffer: uint8[128]; |
||||
|
end record; |
||||
|
|
||||
|
sub file_i_init(fcb: [FCB], filename: [uint8]) is |
||||
|
sub fill(dest: [uint8], src: [uint8], len: uint8): (srcout: [uint8]) is |
||||
|
loop |
||||
|
var c := [src]; |
||||
|
if (c < 32) or (c == '.') then |
||||
|
c := ' '; |
||||
|
elseif (c == '*') then |
||||
|
c := '?'; |
||||
|
else |
||||
|
src := src + 1; |
||||
|
end if; |
||||
|
if (c >= 'a') and (c <= 'z') then |
||||
|
c := c - ('a' - 'A'); |
||||
|
end if; |
||||
|
[dest] := c; |
||||
|
dest := dest + 1; |
||||
|
|
||||
|
len := len - 1; |
||||
|
if len == 0 then |
||||
|
break; |
||||
|
end if; |
||||
|
end loop; |
||||
|
srcout := src; |
||||
|
end sub; |
||||
|
|
||||
|
memset(fcb as [uint8], 0, @bytesof FCB); |
||||
|
memset(&fcb.cpm.f[0] as [uint8], ' ', 11); |
||||
|
filename := fill(&fcb.cpm.f[0], filename, 8); |
||||
|
|
||||
|
var c: uint8; |
||||
|
loop |
||||
|
c := [filename]; |
||||
|
if (c < 32) or (c == '.') then |
||||
|
break; |
||||
|
end if; |
||||
|
filename := filename + 1; |
||||
|
end loop; |
||||
|
|
||||
|
if c == '.' then |
||||
|
filename := fill(&fcb.cpm.f[8], filename+1, 3); |
||||
|
end if; |
||||
|
|
||||
|
fcb.cpm.r := 0xffff; |
||||
|
fcb.bufferptr := 127; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_i_gbpb(fcb: [FCB], c: uint8) is |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var dma := &fcb.buffer[0]; |
||||
|
|
||||
|
@asm "ld c, 26"; # SET DMA |
||||
|
@asm "ld de, (", dma, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld a, (", c, ")"; |
||||
|
@asm "ld c, a"; |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_i_blockin(fcb: [FCB]) is |
||||
|
memset(&fcb.buffer[0], 0, 128); |
||||
|
fcb_i_gbpb(fcb, 33); # READ RANDOM |
||||
|
fcb.dirty := 0; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_i_blockout(fcb: [FCB]) is |
||||
|
if fcb.dirty != 0 then |
||||
|
fcb_i_gbpb(fcb, 34); # WRITE RANDOM |
||||
|
fcb.dirty := 0; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_i_changeblock(fcb: [FCB], newblock: uint16) is |
||||
|
if newblock != fcb.cpm.r then |
||||
|
fcb_i_blockout(fcb); |
||||
|
fcb.cpm.r := newblock; |
||||
|
fcb_i_blockin(fcb); |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_a_to_error() is |
||||
|
@asm "cp 0xff"; |
||||
|
@asm "ld a, 0"; |
||||
|
@asm "ret nz"; |
||||
|
@asm "inc a"; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenIn(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenIn") is |
||||
|
file_i_init(fcb, filename); |
||||
|
|
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
@asm "ld c, 15"; # OPEN_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "call", fcb_a_to_error; |
||||
|
@asm "ld (", errno, "), a"; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenUp(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenUp") is |
||||
|
(errno) := FCBOpenIn(fcb, filename); |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenOut(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenOut") is |
||||
|
file_i_init(fcb, filename); |
||||
|
|
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
@asm "ld c, 19"; # DELETE_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 22"; # CREATE_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "call", fcb_a_to_error; |
||||
|
@asm "ld (", errno, "), a"; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBClose(fcb: [FCB]): (errno: uint8) @extern("FCBClose") is |
||||
|
fcb_i_blockout(fcb); |
||||
|
|
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
@asm "ld c, 16"; # CLOSE_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "call", fcb_a_to_error; |
||||
|
@asm "ld (", errno, "), a"; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBSeek(fcb: [FCB], pos: uint32) @extern("FCBSeek") is |
||||
|
pos := pos - 1; # seek to *previous* character |
||||
|
var newblock := (pos >> 7) as uint16; |
||||
|
var newptr := (pos as uint8) & 127; |
||||
|
fcb_i_changeblock(fcb, newblock); |
||||
|
fcb.bufferptr := newptr; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBPos(fcb: [FCB]): (pos: uint32) @extern("FCBPos") is |
||||
|
pos := (((fcb.cpm.r as uint32) << 7) | (fcb.bufferptr as uint32)) + 1; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBExt(fcb: [FCB]): (len: uint32) @extern("FCBExt") is |
||||
|
var oldblock := fcb.cpm.r; |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
|
||||
|
@asm "ld c, 16"; # CLOSE_FILE (actually flushing it to disk) |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 35"; # COMPUTE FILE SIZE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
len := ([&fcb.cpm.r as [uint32]] & 0x00ffffff) << 7; |
||||
|
fcb.cpm.r := oldblock; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_i_nextchar(fcb: [FCB]) is |
||||
|
fcb.bufferptr := fcb.bufferptr + 1; |
||||
|
if fcb.bufferptr == 128 then |
||||
|
fcb_i_changeblock(fcb, fcb.cpm.r + 1); |
||||
|
fcb.bufferptr := 0; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBGetChar(fcb: [FCB]): (c: uint8) @extern("FCBGetChar") is |
||||
|
fcb_i_nextchar(fcb); |
||||
|
c := fcb.buffer[fcb.bufferptr]; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBPutChar(fcb: [FCB], c: uint8) @extern("FCBPutChar") is |
||||
|
fcb_i_nextchar(fcb); |
||||
|
fcb.buffer[fcb.bufferptr] := c; |
||||
|
fcb.dirty := 1; |
||||
|
end sub; |
||||
|
|
||||
|
# --------------------------------------------------------- |
||||
@ -0,0 +1,63 @@ |
|||||
|
# CP/M Z80 sequential files |
||||
|
# |
||||
|
# supports two kind of files: text files (0x1A is EOF) & binary files (0 is EOF) |
||||
|
# |
||||
|
# FCBOpenIn : opens specified existing file for read (type: IO_TEXT or IO_BIN) |
||||
|
# FCBOpenOut : opens new, empty specified file for write (creates file) (type: IO_TEXT or IO_BIN) |
||||
|
# FCBOpenInOut : opens existing specified file for read/write (just opens, NOT creates file) (type: IO_TEXT or IO_BIN) |
||||
|
# FCBOpenForAppend : opens existing specified binary file for write & positions the write cursor after the last actual 128-bytes record, |
||||
|
# : or creates a new, empty binary file, if the specified file was not found |
||||
|
# FCBClose : closes the specified file (writing all the file data to disk if the file was opened for write) |
||||
|
# FCBRewind : equivalent to FCBClose + FCBOpenIn, works only for files already opened for read |
||||
|
# FCBGetChar : reads a byte from a file already opened for read or read/write |
||||
|
# FCBPutChar : writes a byte to a file already opened for write or read/write |
||||
|
# |
||||
|
|
||||
|
record CpmFCB is |
||||
|
dr: uint8; |
||||
|
f: uint8[11]; |
||||
|
ex: uint8; |
||||
|
s1: uint8; |
||||
|
s2: uint8; |
||||
|
rc: uint8; |
||||
|
d: uint8[16]; |
||||
|
cr: uint8; |
||||
|
r0: uint8; |
||||
|
r1: uint8; |
||||
|
r2: uint8; |
||||
|
end record; |
||||
|
|
||||
|
record FCB is |
||||
|
bufferptr: uint8; # offset in buffer |
||||
|
iotype: uint8; |
||||
|
datatype: uint8; |
||||
|
cpm: CpmFCB; |
||||
|
buffer: uint8[128]; |
||||
|
end record; |
||||
|
|
||||
|
# file types |
||||
|
const IO_TEXT := 0; |
||||
|
const IO_BIN := 1; |
||||
|
|
||||
|
# I/O return codes (error numbers) |
||||
|
const SUCCESS := 0; |
||||
|
const ERR_NO_FILE := 1; |
||||
|
const ERR_BAD_IO := 2; |
||||
|
const ERR_DIR_FULL := 3; |
||||
|
const ERR_DISK_FULL := 4; |
||||
|
const ERR_EOF := 5; |
||||
|
|
||||
|
@decl sub FCBOpenIn(fcb: [FCB], filename: [uint8], filetype: uint8): (errno: uint8) @extern("FCBOpenIn"); |
||||
|
@decl sub FCBOpenOut(fcb: [FCB], filename: [uint8], filetype: uint8): (errno: uint8) @extern("FCBOpenOut"); |
||||
|
@decl sub FCBOpenInOut(fcb: [FCB], filename: [uint8], filetype: uint8): (errno: uint8) @extern("FCBOpenInOut"); |
||||
|
|
||||
|
#only for binary files |
||||
|
@decl sub FCBOpenForAppend(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenForAppend"); |
||||
|
|
||||
|
@decl sub FCBGetChar(fcb: [FCB]): (c: uint8, errno: uint8) @extern("FCBGetChar"); |
||||
|
@decl sub FCBPutChar(fcb: [FCB], c: uint8): (errno: uint8) @extern("FCBPutChar"); |
||||
|
|
||||
|
@decl sub FCBClose(fcb: [FCB]): (errno: uint8) @extern("FCBClose"); |
||||
|
|
||||
|
# only for files open for READ |
||||
|
@decl sub FCBRewind(fcb: [FCB]): (errno: uint8) @extern("FCBRewind"); |
||||
Binary file not shown.
@ -0,0 +1,390 @@ |
|||||
|
|
||||
|
const IO_READ := 0; |
||||
|
const IO_WRITE := 1; |
||||
|
const IO_READ_WRITE := 2; |
||||
|
|
||||
|
const IO_TEXT := 0; |
||||
|
const IO_BIN := 1; |
||||
|
|
||||
|
const SUCCESS := 0; |
||||
|
const ERR_NO_FILE := 1; |
||||
|
const ERR_BAD_IO := 2; |
||||
|
const ERR_DIR_FULL := 3; |
||||
|
const ERR_DISK_FULL := 4; |
||||
|
const ERR_EOF := 5; |
||||
|
|
||||
|
const CHAR_EOF := 0x1A; |
||||
|
|
||||
|
record CpmFCB is |
||||
|
dr: uint8; |
||||
|
f: uint8[11]; |
||||
|
ex: uint8; |
||||
|
s1: uint8; |
||||
|
s2: uint8; |
||||
|
rc: uint8; |
||||
|
d: uint8[16]; |
||||
|
cr: uint8; |
||||
|
r0: uint8; |
||||
|
r1: uint8; |
||||
|
r2: uint8; |
||||
|
end record; |
||||
|
|
||||
|
record FCB is |
||||
|
bufferptr: uint8; # offset in buffer |
||||
|
iotype: uint8; |
||||
|
datatype: uint8; |
||||
|
cpm: CpmFCB; |
||||
|
buffer: uint8[128]; |
||||
|
end record; |
||||
|
|
||||
|
sub MemSet(p:[uint8], char:uint8, size:uint16) is |
||||
|
@asm "ld a,(", char, ")"; |
||||
|
@asm "ld de,(", size, ")"; |
||||
|
@asm "ld hl,(", p, ")"; |
||||
|
@asm "ld c,a"; |
||||
|
@asm "loopm:"; |
||||
|
@asm "ld a,e"; |
||||
|
@asm "or d"; |
||||
|
@asm "ret z"; |
||||
|
@asm "ld (hl),c"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "dec de"; |
||||
|
@asm "jr loopm"; |
||||
|
end sub; |
||||
|
|
||||
|
sub MemCopy(src: [uint8], size: intptr, dest: [uint8]) is |
||||
|
@asm "ld de,(", dest, ")"; |
||||
|
@asm "ld hl,(", src, ")"; |
||||
|
@asm "ld bc,(", size, ")"; |
||||
|
@asm "ld a,b"; |
||||
|
@asm "or c"; |
||||
|
@asm "ret z"; |
||||
|
@asm "ldir"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub fcb_init(fcb: [FCB], filename: [uint8]) is |
||||
|
sub fill(dest: [uint8], src: [uint8], len: uint8): (srcout: [uint8]) is |
||||
|
loop |
||||
|
var c := [src]; |
||||
|
if (c < 32) or (c == '.') then |
||||
|
c := ' '; |
||||
|
elseif (c == '*') then |
||||
|
c := '?'; |
||||
|
else |
||||
|
src := src + 1; |
||||
|
end if; |
||||
|
if (c >= 'a') and (c <= 'z') then |
||||
|
c := c - ('a' - 'A'); |
||||
|
end if; |
||||
|
[dest] := c; |
||||
|
dest := dest + 1; |
||||
|
|
||||
|
len := len - 1; |
||||
|
if len == 0 then |
||||
|
break; |
||||
|
end if; |
||||
|
end loop; |
||||
|
srcout := src; |
||||
|
end sub; |
||||
|
|
||||
|
MemSet(fcb as [uint8], 0, @bytesof FCB); |
||||
|
MemSet(&fcb.cpm.f[0] as [uint8], ' ', 11); |
||||
|
filename := fill(&fcb.cpm.f[0], filename, 8); |
||||
|
|
||||
|
var c: uint8; |
||||
|
loop |
||||
|
c := [filename]; |
||||
|
if (c < 32) or (c == '.') then |
||||
|
break; |
||||
|
end if; |
||||
|
filename := filename + 1; |
||||
|
end loop; |
||||
|
|
||||
|
if c == '.' then |
||||
|
filename := fill(&fcb.cpm.f[8], filename+1, 3); |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenIn(fcb: [FCB], filename: [uint8], type: uint8): (errno: uint8) @extern("FCBOpenIn") is |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var cpmerr: uint8; |
||||
|
|
||||
|
fcb_init(fcb, filename); |
||||
|
fcb.iotype := IO_READ; |
||||
|
fcb.datatype := type; |
||||
|
|
||||
|
@asm "ld c, 15"; # OPEN_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "), a"; |
||||
|
|
||||
|
if cpmerr == 0xFF then |
||||
|
errno := ERR_NO_FILE; |
||||
|
else |
||||
|
errno := SUCCESS; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenRW(fcb: [FCB], type: uint8, iotype: uint8): (errno: uint8) is |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var cpmerr: uint8; |
||||
|
var c: uint8; |
||||
|
|
||||
|
fcb.iotype := iotype; |
||||
|
fcb.datatype := type; |
||||
|
|
||||
|
if iotype == IO_WRITE then |
||||
|
@asm "ld c, 19"; # DELETE_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 22"; # CREATE_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "), a"; |
||||
|
|
||||
|
if cpmerr == 0xFF then |
||||
|
errno := ERR_DIR_FULL; |
||||
|
else |
||||
|
errno := SUCCESS; |
||||
|
end if; |
||||
|
else #IO_READ_WRITE |
||||
|
@asm "ld c, 15"; # OPEN_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "), a"; |
||||
|
|
||||
|
if cpmerr == 0xFF then |
||||
|
errno := ERR_NO_FILE; |
||||
|
else |
||||
|
errno := SUCCESS; |
||||
|
end if; |
||||
|
end if; |
||||
|
|
||||
|
if fcb.datatype == IO_TEXT then |
||||
|
c := CHAR_EOF; |
||||
|
else |
||||
|
c := 0; |
||||
|
end if; |
||||
|
|
||||
|
MemSet(&fcb.buffer[0], c, 128); |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenOut(fcb: [FCB], filename: [uint8], type: uint8): (errno: uint8) @extern("FCBOpenOut") is |
||||
|
fcb_init(fcb, filename); |
||||
|
errno := FCBOpenRW(fcb, type, IO_WRITE); |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenInOut(fcb: [FCB], filename: [uint8], type: uint8): (errno: uint8) @extern("FCBOpenInOut") is |
||||
|
fcb_init(fcb, filename); |
||||
|
errno := FCBOpenRW(fcb, type, IO_READ_WRITE); |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBOpenForAppend(fcb: [FCB], filename: [uint8]): (errno: uint8) @extern("FCBOpenForAppend") is |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var cpmerr: uint8; |
||||
|
|
||||
|
fcb_init(fcb, filename); |
||||
|
|
||||
|
@asm "ld c, 17"; # SEARCH_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "), a"; |
||||
|
|
||||
|
if cpmerr == 0xFF then |
||||
|
# not found, open it for write |
||||
|
errno := FCBOpenRW(fcb, IO_BIN, IO_WRITE); |
||||
|
else |
||||
|
# found, open it for read/write |
||||
|
errno := FCBOpenRW(fcb, IO_BIN, IO_READ_WRITE); |
||||
|
|
||||
|
# errno should be SUCCESS |
||||
|
if errno != SUCCESS then |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
var dma := &fcb.buffer[0]; |
||||
|
@asm "ld c, 26"; # SET DMA |
||||
|
@asm "ld de, (", dma, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 35"; # COMPUTE FILE SIZE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
MemSet(&fcb.buffer[0] as [uint8], 0, 128); |
||||
|
|
||||
|
@asm "ld c, 34"; # WRITE RANDOM |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
errno := SUCCESS; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBGetChar(fcb: [FCB]): (c: uint8, errno: uint8) @extern("FCBGetChar") is |
||||
|
|
||||
|
if fcb.iotype == IO_WRITE then |
||||
|
errno := ERR_BAD_IO; |
||||
|
c := 0; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
var index: uint8 := fcb.bufferptr; |
||||
|
|
||||
|
if index == 0 then |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var cpmerr: uint8; |
||||
|
|
||||
|
var dma := &fcb.buffer[0]; |
||||
|
@asm "ld c, 26"; # SET DMA |
||||
|
@asm "ld de, (", dma, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 20"; # READ SEQ |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "),a"; |
||||
|
|
||||
|
if cpmerr != 0 then |
||||
|
c := 0; |
||||
|
errno := ERR_EOF; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
c := fcb.buffer[0]; |
||||
|
fcb.bufferptr := 1; |
||||
|
else |
||||
|
c := fcb.buffer[index]; |
||||
|
|
||||
|
if index == 127 then |
||||
|
fcb.bufferptr := 0; |
||||
|
else |
||||
|
fcb.bufferptr := index + 1; |
||||
|
end if; |
||||
|
end if; |
||||
|
|
||||
|
if fcb.datatype == IO_TEXT and c == CHAR_EOF then |
||||
|
errno := ERR_EOF; |
||||
|
else |
||||
|
errno := SUCCESS; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBPutChar(fcb: [FCB], c: uint8): (errno: uint8) @extern("FCBPutChar") is |
||||
|
|
||||
|
if fcb.iotype == IO_READ then |
||||
|
errno := ERR_BAD_IO; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
var index: uint8 := fcb.bufferptr; |
||||
|
fcb.buffer[index] := c; |
||||
|
|
||||
|
if index == 127 then |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var cpmerr: uint8; |
||||
|
|
||||
|
var dma := &fcb.buffer[0]; |
||||
|
@asm "ld c, 26"; # SET DMA |
||||
|
@asm "ld de, (", dma, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 21"; # WRITE SEQ |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "),a"; |
||||
|
|
||||
|
if cpmerr != 0 then |
||||
|
errno := ERR_DISK_FULL; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
fcb.bufferptr := 0; |
||||
|
|
||||
|
if fcb.datatype == IO_TEXT then |
||||
|
c := CHAR_EOF; |
||||
|
else |
||||
|
c := 0; |
||||
|
end if; |
||||
|
|
||||
|
MemSet(&fcb.buffer[0], c, 128); |
||||
|
else |
||||
|
fcb.bufferptr := index + 1; |
||||
|
end if; |
||||
|
|
||||
|
errno := SUCCESS; |
||||
|
end sub; |
||||
|
|
||||
|
sub FCBClose(fcb: [FCB]): (errno: uint8) @extern("FCBClose") is |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var closeerr: uint8; |
||||
|
var writeerr: uint8 := 0; |
||||
|
|
||||
|
errno := SUCCESS; |
||||
|
|
||||
|
if fcb.iotype == IO_READ then |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
if fcb.bufferptr != 0 then |
||||
|
var dma := &fcb.buffer[0]; |
||||
|
@asm "ld c, 26"; # SET DMA |
||||
|
@asm "ld de, (", dma, ")"; |
||||
|
@asm "call 5"; |
||||
|
|
||||
|
@asm "ld c, 21"; # WRITE SEQ |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", writeerr, "),a"; |
||||
|
end if; |
||||
|
|
||||
|
@asm "ld c, 16"; # CLOSE_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", closeerr, "),a"; |
||||
|
|
||||
|
if writeerr != 0 then |
||||
|
errno := ERR_DISK_FULL; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
if closeerr == 0xFF then |
||||
|
errno := ERR_NO_FILE; |
||||
|
end if; |
||||
|
end sub; |
||||
|
|
||||
|
# only for files open for READ |
||||
|
sub FCBRewind(fcb: [FCB]): (errno: uint8) @extern("FCBRewind") is |
||||
|
var cpmfcb := &fcb.cpm; |
||||
|
var cpmerr: uint8; |
||||
|
|
||||
|
if fcb.iotype != IO_READ then |
||||
|
errno := ERR_BAD_IO; |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
errno := FCBClose(fcb); |
||||
|
|
||||
|
if errno != SUCCESS then |
||||
|
return; |
||||
|
end if; |
||||
|
|
||||
|
var file: uint8[11]; |
||||
|
MemCopy(&cpmfcb.f[0], 11, &file[0]); |
||||
|
MemSet(cpmfcb as [uint8], 0, @bytesof CpmFCB); |
||||
|
MemCopy(&file[0], 11, &cpmfcb.f[0]); |
||||
|
fcb.bufferptr := 0; |
||||
|
|
||||
|
@asm "ld c, 15"; # OPEN_FILE |
||||
|
@asm "ld de, (", cpmfcb, ")"; |
||||
|
@asm "call 5"; |
||||
|
@asm "ld (", cpmerr, "), a"; |
||||
|
|
||||
|
if cpmerr == 0xFF then |
||||
|
errno := ERR_NO_FILE; |
||||
|
else |
||||
|
errno := SUCCESS; |
||||
|
end if; |
||||
|
end sub; |
||||
@ -0,0 +1,8 @@ |
|||||
|
@decl sub strlen(str: [uint8]): (len: uint16) @extern("strlen"); |
||||
|
@decl sub strcpy(dest: [uint8], src: [uint8]): (ret: [uint8]) @extern("strcpy"); |
||||
|
@decl sub strcat(dest: [uint8], src: [uint8]): (ret: [uint8]) @extern("strcat"); |
||||
|
@decl sub strcmp(str1: [uint8], str2: [uint8]): (ret: int8) @extern("strcmp"); |
||||
|
@decl sub strcasecmp(str1: [uint8], str2: [uint8]): (ret: int8) @extern("strcasecmp"); |
||||
|
@decl sub strstr(str: [uint8], tosearch: [uint8]): (ret: [uint8]) @extern("strstr"); |
||||
|
@decl sub strchr(str: [uint8], tosearch: uint8): (ret: [uint8]) @extern("strchr"); |
||||
|
@decl sub tolower(char: uint8): (ret: uint8) @extern("tolower"); |
||||
Binary file not shown.
@ -0,0 +1,192 @@ |
|||||
|
sub strlen(str: [uint8]): (len: uint16) @extern("strlen") is |
||||
|
@asm "ld de,(", str, ")"; |
||||
|
@asm "ld hl,0"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "or a"; |
||||
|
@asm "ret z"; |
||||
|
@asm "inc de"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "jr 1b"; |
||||
|
end sub; |
||||
|
|
||||
|
# returns dest |
||||
|
sub strcpy(dest: [uint8], src: [uint8]): (ret: [uint8]) @extern("strcpy") is |
||||
|
@asm "ld hl,(", src, ")"; |
||||
|
@asm "ld de,(", dest, ")"; |
||||
|
@asm "push de"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "ld (de),a"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr z,2f"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "inc de"; |
||||
|
@asm "jr 1b"; |
||||
|
@asm "2:"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
# returns dest |
||||
|
sub strcat(dest: [uint8], src: [uint8]): (ret: [uint8]) @extern("strcat") is |
||||
|
@asm "ld hl,(", src, ")"; |
||||
|
@asm "ld de,(", dest, ")"; |
||||
|
@asm "push de"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "inc de"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr nz,1b"; |
||||
|
@asm "dec de"; |
||||
|
@asm "2:"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "ld (de),a"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr z,3f"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "inc de"; |
||||
|
@asm "jr 2b"; |
||||
|
@asm "3:"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
# returns 0 if equal, 1 if greather, else -1 |
||||
|
sub strcmp(str1: [uint8], str2: [uint8]): (ret: int8) @extern("strcmp") is |
||||
|
@asm "ld de,(", str1, ")"; |
||||
|
@asm "ld hl,(", str2, ")"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "cp (hl)"; |
||||
|
@asm "jr nz,2f"; |
||||
|
@asm "or a"; |
||||
|
@asm "ret z"; |
||||
|
@asm "jr 3f"; |
||||
|
@asm "2:"; |
||||
|
@asm "jr nc,4f"; |
||||
|
@asm "ld a,-1"; |
||||
|
@asm "ret"; |
||||
|
@asm "3:"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "inc de"; |
||||
|
@asm "jr 1b"; |
||||
|
@asm "4:"; |
||||
|
@asm "ld a,1"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub tolower(char: uint8): (ret: uint8) @extern("tolower") is |
||||
|
@asm "ld a,(", char, ")"; |
||||
|
@asm "cp 41H"; |
||||
|
@asm "ret c"; |
||||
|
@asm "cp 5AH+1"; |
||||
|
@asm "ret nc"; |
||||
|
@asm "or 20H"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
# case insensitive, returns 0 if equal, 1 if greather, else -1 |
||||
|
sub strcasecmp(str1: [uint8], str2: [uint8]): (ret: uint8) @extern("strcasecmp") is |
||||
|
var c1: uint8; |
||||
|
var c2: uint8; |
||||
|
@asm "ld de,(", str1, ")"; |
||||
|
@asm "ld hl,(", str2, ")"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "call tolower"; |
||||
|
@asm "ld c,a"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "call tolower"; |
||||
|
@asm "cp c"; |
||||
|
@asm "jr nz,2f"; |
||||
|
@asm "or a"; |
||||
|
@asm "ret z"; |
||||
|
@asm "jr 3f"; |
||||
|
@asm "2:"; |
||||
|
@asm "jr nc,4f"; |
||||
|
@asm "ld a,-1"; |
||||
|
@asm "ret"; |
||||
|
@asm "3:"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "inc de"; |
||||
|
@asm "jr 1b"; |
||||
|
@asm "4:"; |
||||
|
@asm "ld a,1"; |
||||
|
@asm "ret"; |
||||
|
@asm "tolower:"; |
||||
|
@asm "cp 41H"; |
||||
|
@asm "ret c"; |
||||
|
@asm "cp 5AH+1"; |
||||
|
@asm "ret nc"; |
||||
|
@asm "or 20H"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
|
sub strstr(str: [uint8], tosearch: [uint8]): (ret: [uint8]) @extern("strstr") is |
||||
|
@asm "ld de,(", tosearch, ")"; |
||||
|
@asm "ld hl,(", str, ")"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "cp (hl)"; |
||||
|
@asm "jr z,2f"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr nz,1b"; |
||||
|
@asm "3:"; |
||||
|
@asm "ld hl,0"; |
||||
|
@asm "ret"; |
||||
|
@asm "2:"; |
||||
|
@asm "ld b,d"; |
||||
|
@asm "ld c,e"; |
||||
|
@asm "inc de"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "or a"; |
||||
|
@asm "ret z"; |
||||
|
@asm "push hl"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "6:"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "cp (hl)"; |
||||
|
@asm "jr nz,4f"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "inc de"; |
||||
|
@asm "ld a,(de)"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr z,5f"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr nz,6b"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "jr 3b"; |
||||
|
@asm "5:"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "ret"; |
||||
|
@asm "4:"; |
||||
|
@asm "pop hl"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr z,3b"; |
||||
|
@asm "ld d,b"; |
||||
|
@asm "ld e,c"; |
||||
|
@asm "jr 1b"; |
||||
|
end sub; |
||||
|
|
||||
|
sub strchr(str: [uint8], tosearch: uint8): (ret: [uint8]) @extern("strchr") is |
||||
|
@asm "ld a,(", tosearch, ")"; |
||||
|
@asm "ld c,a"; |
||||
|
@asm "ld hl,(", str, ")"; |
||||
|
@asm "1:"; |
||||
|
@asm "ld a,c"; |
||||
|
@asm "cp (hl)"; |
||||
|
@asm "ret z"; |
||||
|
@asm "inc hl"; |
||||
|
@asm "ld a,(hl)"; |
||||
|
@asm "or a"; |
||||
|
@asm "jr nz,1b"; |
||||
|
@asm "ld hl,0"; |
||||
|
@asm "ret"; |
||||
|
end sub; |
||||
|
|
||||
@ -0,0 +1,3 @@ |
|||||
|
sub Test() is |
||||
|
@asm "call _xrndseed"; |
||||
|
end sub; |
||||
@ -0,0 +1,2 @@ |
|||||
|
COWGOL TESTAS.COW RAND.AS |
||||
|
|
||||
@ -1,53 +0,0 @@ |
|||||
; Xorshift is a class of pseudorandom number generators discovered |
|
||||
; by George Marsaglia and detailed in his 2003 paper, Xorshift RNGs. |
|
||||
; |
|
||||
; 16-bit xorshift pseudorandom number generator by John Metcalf |
|
||||
; returns hl = pseudorandom number |
|
||||
; corrupts a |
|
||||
|
|
||||
; generates 16-bit pseudorandom numbers with a period of 65535 |
|
||||
; using the xorshift method: |
|
||||
|
|
||||
; hl ^= hl << 7 |
|
||||
; hl ^= hl >> 9 |
|
||||
; hl ^= hl << 8 |
|
||||
|
|
||||
; some alternative shift triplets which also perform well are: |
|
||||
; 6, 7, 13; 7, 9, 13; 9, 7, 13. |
|
||||
|
|
||||
psect text |
|
||||
|
|
||||
GLOBAL _xrnd, _xrndseed |
|
||||
|
|
||||
_xrnd: |
|
||||
ld hl,1 ; seed must not be 0 |
|
||||
ld a,h |
|
||||
rra |
|
||||
ld a,l |
|
||||
rra |
|
||||
xor h |
|
||||
ld h,a |
|
||||
ld a,l |
|
||||
rra |
|
||||
ld a,h |
|
||||
rra |
|
||||
xor l |
|
||||
ld l,a |
|
||||
xor h |
|
||||
ld h,a |
|
||||
ld (_xrnd+1),hl |
|
||||
res 7,h ;make-it positive... |
|
||||
ret |
|
||||
|
|
||||
_xrndseed: |
|
||||
ld a,r |
|
||||
ld l,a |
|
||||
ld a,r |
|
||||
ld h,a |
|
||||
or l ; HL must be not NULL |
|
||||
jr nz,1f |
|
||||
inc hl |
|
||||
1: |
|
||||
ld (_xrnd+1),hl |
|
||||
ret |
|
||||
|
|
||||
Loading…
Reference in new issue