mirror of https://github.com/wwarthen/RomWBW.git
dimitrit
4 years ago
29 changed files with 3694 additions and 1908 deletions
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@ -0,0 +1,4 @@ |
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@echo off |
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setlocal |
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|
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pushd src && call Build || exit /b & popd |
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@ -0,0 +1,4 @@ |
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@echo off |
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setlocal |
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|
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pushd src && call Clean & popd |
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@ -0,0 +1,674 @@ |
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GNU GENERAL PUBLIC LICENSE |
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Version 3, 29 June 2007 |
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Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> |
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A "contributor" is a copyright holder who authorizes use under this |
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License of the Program or a work on which the Program is based. The |
|||
work thus licensed is called the contributor's "contributor version". |
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|
|||
A contributor's "essential patent claims" are all patent claims |
|||
owned or controlled by the contributor, whether already acquired or |
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hereafter acquired, that would be infringed by some manner, permitted |
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by this License, of making, using, or selling its contributor version, |
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but do not include claims that would be infringed only as a |
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consequence of further modification of the contributor version. For |
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purposes of this definition, "control" includes the right to grant |
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patent sublicenses in a manner consistent with the requirements of |
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this License. |
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Each contributor grants you a non-exclusive, worldwide, royalty-free |
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In the following three paragraphs, a "patent license" is any express |
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If you convey a covered work, knowingly relying on a patent license, |
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A patent license is "discriminatory" if it does not include within |
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Nothing in this License shall be construed as excluding or limiting |
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12. No Surrender of Others' Freedom. |
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If conditions are imposed on you (whether by court order, agreement or |
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License would be to refrain entirely from conveying the Program. |
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13. Use with the GNU Affero General Public License. |
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Notwithstanding any other provision of this License, you have |
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License will continue to apply to the part which is the covered work, |
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14. Revised Versions of this License. |
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The Free Software Foundation may publish revised and/or new versions of |
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Each version is given a distinguishing version number. If the |
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If the Program specifies that a proxy can decide which future |
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Later license versions may give you additional or different |
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15. Disclaimer of Warranty. |
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THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY |
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16. Limitation of Liability. |
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IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING |
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17. Interpretation of Sections 15 and 16. |
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If the disclaimer of warranty and limitation of liability provided |
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Program, unless a warranty or assumption of liability accompanies a |
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|
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END OF TERMS AND CONDITIONS |
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|
|||
How to Apply These Terms to Your New Programs |
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|
|||
If you develop a new program, and you want it to be of the greatest |
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possible use to the public, the best way to achieve this is to make it |
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free software which everyone can redistribute and change under these terms. |
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|
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To do so, attach the following notices to the program. It is safest |
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to attach them to the start of each source file to most effectively |
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state the exclusion of warranty; and each file should have at least |
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the "copyright" line and a pointer to where the full notice is found. |
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|
|||
<one line to give the program's name and a brief idea of what it does.> |
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Copyright (C) <year> <name of author> |
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|
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <https://www.gnu.org/licenses/>. |
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|
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Also add information on how to contact you by electronic and paper mail. |
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|
|||
If the program does terminal interaction, make it output a short |
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notice like this when it starts in an interactive mode: |
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|
|||
<program> Copyright (C) <year> <name of author> |
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This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. |
|||
This is free software, and you are welcome to redistribute it |
|||
under certain conditions; type `show c' for details. |
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|
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The hypothetical commands `show w' and `show c' should show the appropriate |
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parts of the General Public License. Of course, your program's commands |
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might be different; for a GUI interface, you would use an "about box". |
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|
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You should also get your employer (if you work as a programmer) or school, |
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if any, to sign a "copyright disclaimer" for the program, if necessary. |
|||
For more information on this, and how to apply and follow the GNU GPL, see |
|||
<https://www.gnu.org/licenses/>. |
|||
|
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The GNU General Public License does not permit incorporating your program |
|||
into proprietary programs. If your program is a subroutine library, you |
|||
may consider it more useful to permit linking proprietary applications with |
|||
the library. If this is what you want to do, use the GNU Lesser General |
|||
Public License instead of this License. But first, please read |
|||
<https://www.gnu.org/licenses/why-not-lgpl.html>. |
|||
@ -0,0 +1,9 @@ |
|||
SUBDIRS := src |
|||
TARGETS := all clobber clean |
|||
|
|||
$(TARGETS): $(SUBDIRS) |
|||
|
|||
$(SUBDIRS): |
|||
$(MAKE) -C $@ $(MAKECMDGOALS) |
|||
|
|||
.PHONY: $(TARGETS) $(SUBDIRS) |
|||
@ -0,0 +1,163 @@ |
|||
# Tasty Basic |
|||
|
|||
## Introduction |
|||
Tasty Basic is a basic interpreter for CP/M and RomWBW ([Warthen, 2021](##References)), based on |
|||
the Z80 port of Palo Alto Tiny Basic ([Gabbard, 2017; Rauskolb, 1976; Wang, 1976](##References)). |
|||
|
|||
## Tasty Basic Language |
|||
The Tasty Basic language is based on Palo Alto Tiny Basic, as described in the December 1976 |
|||
issue of Interface Age ([Rauskolb, 1976](##References)). As such, Tasty Basic shares many of the |
|||
same limitations as Palo Alto Basic. All numbers are integers and must be less than or |
|||
equal to 32767, and Tasty Basic supports only 26 variables denoted by letters A through Z. |
|||
|
|||
In addition to Tiny Basic's `ABS(n)`, `RND(n)` and `SIZE` functions, Tasty Basic also provides |
|||
statements and functions to read and write memory locations, and allows interaction with I/O ports. |
|||
|
|||
### Statements |
|||
Tasty Basic provides two statements to write to memory and I/O ports: |
|||
|
|||
`POKE m,n` Writes the value _n_ to address location _m_ |
|||
|
|||
`OUT m,n` Sends the value n to I/O port _m_ |
|||
|
|||
Additionally there are statements to define and read constant values: |
|||
|
|||
`DATA m[,n[,...]]` Used to store constant values in the program code. Each DATA statement can define one or more numeric constants separated by commas. `DATA` statements may appear anywhere in the program. |
|||
|
|||
`READ m` Reads the next available data value and assigns it to variable _m_, starting with the first item in the first `DATA` statement. |
|||
|
|||
`RESTORE` Resets the `READ` pointer to the first item of the data list, allowing `DATA` values to be re-read. |
|||
|
|||
#### CP/M Specific Statements |
|||
The CP/M version includes two additional statements that allow Tasty Basic programs to be saved |
|||
to, and loaded from, disk: |
|||
|
|||
`LOAD "filename"` Loads the Tasty Basic (`.TBA`) file with the given _filename_ from the current disk drive into memory. Any existing programs and variables are cleared before the program is loaded. |
|||
|
|||
`SAVE "filename"` Persists the program currently in memory in a file with the given _filename_ on the current disk drive. |
|||
|
|||
Refer to [Tasty Basic files](examples/README.md) for details of the `.TBA` file format. |
|||
|
|||
### Functions |
|||
Tasty Basic provides the following functions to read from and write to memory locations and I/O ports: |
|||
|
|||
`IN(m)` Returns the byte value read from I/O port _m_ |
|||
|
|||
`PEEK(m)` Returns the byte value of address location _m_ |
|||
|
|||
`USR(i)` Accepts a numeric expression _i_ , calls a user-defined machine language routine, and returns the resulting value. |
|||
|
|||
### User defined machine language routines |
|||
The `USR(i)` function enables interaction with user defined machine routines. |
|||
The entry point for these routines is specified using a platform specific vector |
|||
pointing to a default location as shown below. User defined code may be |
|||
placed elsewhere in memory by updating the vector values. |
|||
The value _i_ is passed to the routine in the `DE` register, which must also |
|||
contain the result on return. |
|||
|
|||
| Platform | Vector location | Default value | |
|||
| --- | --- | --- | |
|||
| CP/M | $0BFE/$0BFF | $0C00 | |
|||
| RomWBW | $13FE/$13FF | $1400 | |
|||
|
|||
### Example |
|||
The following example shows the bit summation for a given value: |
|||
|
|||
``` |
|||
0000 #IFDEF CPM |
|||
0C00 .ORG $0C00 ; ie. 3072 dec |
|||
0C00~ #ELSE |
|||
0C00~ .ORG $1400 ; ie. 5120 dec |
|||
0C00 #ENDIF |
|||
0C00 |
|||
0C00 06 00 LD B,0 |
|||
0C02 7A LD A,D |
|||
0C03 CD 0E 0C CALL COUNT |
|||
0C06 7B LD A,E |
|||
0C07 CD 0E 0C CALL COUNT |
|||
0C0A 58 LD E,B |
|||
0C0B 16 00 LD D,0 |
|||
0C0D C9 RET |
|||
0C0E COUNT: |
|||
0C0E B7 OR A |
|||
0C0F C8 RET Z |
|||
0C10 CB 47 BIT 0,A |
|||
0C12 28 01 JR Z,NEXT |
|||
0C14 04 INC B |
|||
0C15 NEXT: |
|||
0C15 CB 3F SRL A |
|||
0C17 18 F5 JR COUNT |
|||
0C19 |
|||
0C19 .END |
|||
``` |
|||
|
|||
``` |
|||
10 REM -- CP/M VERSION |
|||
20 REM -- SEE EXAMPLES DIRECTORY FOR OTHER PLATFORMS |
|||
30 FOR I=0 TO 24 |
|||
40 READ A |
|||
50 POKE 3072+I,A |
|||
60 NEXT I |
|||
70 INPUT P |
|||
80 LET Q=USR(P) |
|||
90 PRINT "THE BIT SUMMATION OF ",#5,P," IS ",#2,Q |
|||
100 GOTO 70 |
|||
110 DATA 6,0,122,205,14,12,123,205,14,12,88,22,0,201 |
|||
120 DATA 183,200,203,71,40,1,4,203,63,24,245 |
|||
``` |
|||
|
|||
Note that the Tasty Basic program above is CP/M specific. Examples for other platforms can be found |
|||
in the `examples` directory. |
|||
|
|||
## Building Tasty Basic |
|||
Building Tasty Basic requires the `uz80as` Z80 assembler v1.12 or later ([Giner, 2021](##References)). |
|||
Alternatively, Windows users can use TASM (Telemark Assembler) ([Anderson, 1998](##References)). |
|||
|
|||
### RomWBW version |
|||
Tasty Basic is part of the SBCv2 RomWBW distribution. Please refer to the |
|||
[RomWBW github repository](https://github.com/wwarthen/RomWBW) for details. |
|||
|
|||
### CP/M version |
|||
The CP/M version of Tasty Basic can be built using the `-dCPM` flag: |
|||
|
|||
```uz80as -dCPM tastybasic.asm tbasic.com``` |
|||
|
|||
The resulting `tbasic.com` command file can be run in CP/M. For example: |
|||
|
|||
``` |
|||
B>TBASIC ↵ |
|||
|
|||
CP/M TASTY BASIC |
|||
28902 BYTES FREE |
|||
|
|||
OK |
|||
>10 PRINT "HELLO WORLD ", ↵ |
|||
>RUN ↵ |
|||
HELLO WORLD |
|||
|
|||
OK |
|||
>BYE ↵ |
|||
|
|||
B> |
|||
``` |
|||
|
|||
## Example BASIC programs |
|||
|
|||
A small number of example Tasty Basic programs are included in the `examples` directory. |
|||
Most of these programs are from _BASIC COMPUTER GAMES_ ([Ahl, 1978](##References)), and |
|||
have been modified as required to make them work with Tasty Basic. |
|||
|
|||
## License |
|||
In line with Wang's (1976) original Tiny Basic source listing and later derived works |
|||
by Rauskolb (1976) and Gabbard (2017), Tasty Basic is licensed under GPL v3. |
|||
For license details refer to the enclosed [LICENSE](../master/LICENSE) file. |
|||
|
|||
## References |
|||
Ahl, D. H. (Ed.).(1978). _BASIC COMPUTER GAMES_. New York, NY: Workman Publishing |
|||
Anderson, T. N. (1998). _The Telemark Assembler (TASM) User's Manual, Version 3.1._ Issaquah, WA: Squak Valley Software |
|||
b1ackmai1er (2018). _SBC V2_. Retrieved October 6, 2018, from [https://www.retrobrewcomputers.org/doku.php?id=boards:sbc:sbc_v2:start](https://www.retrobrewcomputers.org/doku.php?id=boards:sbc:sbc_v2:start) |
|||
Gabbard, D. (2017, October 10). _TinyBASIC for the z80 – TinyBASIC 2.0g._ Retrieved September 29, 2108, from [http://retrodepot.net/?p=274](http://retrodepot.net/?p=274) |
|||
Giner, J. (2021, August 1). _Micro Z80 assembler - uz80as._ Retrieved September 19, 2021, from [https://jorgicor.niobe.org/uz80as/](https://jorgicor.niobe.org/uz80as/) |
|||
Rauskolb, P. (1976, December). _DR. WANG'S PALO ALTO TINY BASIC._ Interface Age, (2)1, 92-108. Retrieved from [https://archive.org/stream/InterfaceAge197612/Interface%20Age%201976-12#page/n93/mode/1up](https://archive.org/stream/InterfaceAge197612/Interface%20Age%201976-12#page/n93/mode/1up) |
|||
Wang, L-C. (1976). _Palo Alto Tiny BASIC._ In J. C. Warren Jr. (Ed.), _Dr. Dobb's Journal of COMPUTER Calisthenics & Orthodontia_ (pp. 129-142). Menlo Park, CA: People's Computer Company |
|||
Warthen, W. (2021). _RomWBW, Z80/Z180 System Software._ Retrieved Octover 5, 2021, from [https://github.com/wwarthen/RomWBW](https://github.com/wwarthen/RomWBW) |
|||
@ -0,0 +1,86 @@ |
|||
10 PRINT "BATNUM" |
|||
20 PRINT "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY" |
|||
30 PRINT |
|||
110 PRINT "THIS PROGRAM IS A 'BATTLE OF NUMBERS' GAME, WHERE THE" |
|||
120 PRINT "COMPUTER IS YOUR OPPONENT." |
|||
130 PRINT |
|||
140 PRINT "THE GAME STARTS WITH AN ASSUMED PILE OF OBJECTS. YOU" |
|||
150 PRINT "AND YOUR OPPONENT ALTERNATELY REMOVE OBJECTS FROM THE PILE." |
|||
160 PRINT "WINNING IS DEFINED IN ADVANCE AS TAKING THE LAST OBJECT OR" |
|||
170 PRINT "NOT. YOU CAN ALSO SPECIFY SOME OTHER BEGINNING CONDITIONS." |
|||
180 PRINT "DON'T USE ZERO, HOWEVER, IN PLAYING THE GAME." |
|||
190 PRINT "ENTER A NEGATIVE NUMBER FOR NEW PILE SIZE TO STOP PLAYING." |
|||
200 PRINT |
|||
210 GOTO 330 |
|||
220 FOR I=1 TO 10 |
|||
230 PRINT |
|||
240 NEXT I |
|||
330 INPUT "ENTER PILE SIZE"N |
|||
340 IF N<0 GOTO 1080 |
|||
350 IF N>=1 GOTO 390 |
|||
360 GOTO 330 |
|||
390 INPUT "ENTER WIN OPTION - 1 TO TAKE LAST, 2 TO AVOID LAST"M |
|||
410 IF M=1 GOTO 430 |
|||
420 IF M#2 GOTO 390 |
|||
430 INPUT "ENTER MIN PER TURN"A,"AND MAX"B |
|||
450 IF A>B GOTO 430 |
|||
460 IF A<1 GOTO 430 |
|||
490 INPUT "ENTER START OPTION - 1 COMPUTER FIRST, 2 YOU FIRST"S |
|||
500 PRINT |
|||
510 IF S=1 GOTO 530 |
|||
520 IF S#2 GOTO 490 |
|||
530 C=A+B |
|||
540 IF S=2 GOTO 570 |
|||
550 GOSUB 600 |
|||
560 IF W=1 GOTO 220 |
|||
570 GOSUB 810 |
|||
580 IF W=1 GOTO 220 |
|||
590 GOTO 550 |
|||
600 Q=N |
|||
610 IF M=1 GOTO 630 |
|||
620 Q=Q-1 |
|||
630 IF M=1 GOTO 680 |
|||
640 IF N>A GOTO 720 |
|||
650 W=1 |
|||
660 PRINT "COMPUTER TAKES",N," AND LOSES." |
|||
670 RETURN |
|||
680 IF N>B GOTO 720 |
|||
690 W=1 |
|||
700 PRINT "COMPUTER TAKES",N," AND WINS." |
|||
710 RETURN |
|||
720 P=Q-C*(Q/C) |
|||
730 IF P>=A GOTO 750 |
|||
740 P=A |
|||
750 IF P<=B GOTO 770 |
|||
760 P=B |
|||
770 N=N-P |
|||
780 PRINT "COMPUTER TAKES",P," AND LEAVES",N |
|||
790 W=0 |
|||
800 RETURN |
|||
810 PRINT |
|||
820 INPUT "YOUR MOVE"P |
|||
830 IF P#0 GOTO 880 |
|||
840 PRINT "I TOLD YOU NOT TO USE ZERO! COMPUTER WINS BY FORFEIT." |
|||
850 W=1 |
|||
860 RETURN |
|||
880 IF P>=A GOTO 910 |
|||
890 IF P=N GOTO 960 |
|||
900 GOTO 920 |
|||
910 IF P<=B GOTO 940 |
|||
920 PRINT "ILLEGAL MOVE, REENTER IT!" |
|||
930 GOTO 820 |
|||
940 N=N-P |
|||
950 IF N#0 GOTO 1030 |
|||
960 IF M=1 GOTO 1000 |
|||
970 PRINT "TOUGH LUCK, YOU LOSE." |
|||
980 W=1 |
|||
990 RETURN |
|||
1000 PRINT "CONGRATULATIONS, YOU WIN." |
|||
1010 W=1 |
|||
1020 RETURN |
|||
1030 IF N>=0 GOTO 1060 |
|||
1040 N=N+P |
|||
1050 GOTO 920 |
|||
1060 W=0 |
|||
1070 RETURN |
|||
1080 END |
|||
@ -0,0 +1,16 @@ |
|||
10 INPUT "ADDRESS"A |
|||
20 FOR I=0 TO 15 |
|||
30 P=A+I*16 |
|||
40 PRINT $16,P, |
|||
50 FOR J=0 TO 15 |
|||
60 PRINT " ",$8,PEEK(P+J), |
|||
70 NEXT J |
|||
80 PRINT |
|||
90 NEXT I |
|||
100 INPUT ""Q |
|||
110 IF Q<0 GOTO 160 |
|||
120 A=A+256 |
|||
130 IF Q=0 GOTO 20 |
|||
140 A=Q |
|||
150 GOTO 20 |
|||
160 END |
|||
@ -0,0 +1,25 @@ |
|||
# Tasty Basic Files |
|||
|
|||
## Introduction |
|||
The CP/M version of Tasty Basic allows programs to be saved to and loaded from disk. This |
|||
document describes the Tasty Basic `.TBA` file format. |
|||
|
|||
## .TBA File format |
|||
Tasty Basic `.TBA` files are direct reflections of Tasty Basic programs as held in memory. Thus, |
|||
each line of code starts with a 16 bit, LSB first, line number and ends with a carriage return |
|||
character (0xD). An EOF marker (0x1A) indicates the end of the file. Any trailing NUL characters |
|||
(0x0) are ignored. |
|||
|
|||
### Example |
|||
Following is an example Tasty Basic program: |
|||
``` |
|||
10 PRINT "HELLO WORLD" |
|||
20 GOTO 10 |
|||
``` |
|||
And its `.TBA` file representation: |
|||
``` |
|||
0A 00 50 52 49 4E 54 20 22 48 45 4C 4C 4F 20 57 |
|||
4F 52 4C 44 22 0D 14 00 47 4F 54 4F 20 31 30 0D |
|||
1A 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |
|||
``` |
|||
|
|||
@ -0,0 +1,74 @@ |
|||
10 PRINT "REVERSE" |
|||
30 PRINT "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY" |
|||
100 PRINT "REVERSE -- A GAME OF SKILL" |
|||
140 REM *** N=NUMBER OF NUMBERS |
|||
150 N=9 |
|||
160 INPUT "DO YOU WANT THE RULES (0=NO,1=YES)"A |
|||
180 IF A=0 GOTO 210 |
|||
190 GOSUB 710 |
|||
200 REM *** MAKE A RANDOM LIST @(1) TO @(N) |
|||
210 @(1)=RND(N-1)+1 |
|||
220 FOR K=2 TO N |
|||
230 @(K)=RND(N) |
|||
240 FOR J=1 TO K-1 |
|||
250 IF @(K)=@(J) GOTO 230 |
|||
260 NEXT J |
|||
270 NEXT K |
|||
280 REM *** PRINT ORIGINAL LIST AND START GAME |
|||
290 PRINT |
|||
300 PRINT "HERE WE GO ... THE LIST IS:" |
|||
310 T=0 |
|||
320 GOSUB 610 |
|||
330 INPUT "HOW MANY SHALL I REVERSE"R |
|||
350 IF R=0 GOTO 520 |
|||
360 IF R<=N GOTO 390 |
|||
370 PRINT "OOPS! TOO MANY! I CAN REVERSE AT MOST ",#2,N |
|||
380 GOTO 330 |
|||
390 T=T+1 |
|||
400 REM *** REVERSE R NUMBERS AND PRINT NEW LIST |
|||
410 FOR K=1 TO R/2 |
|||
420 Z=@(K) |
|||
430 @(K)=@(R-K+1) |
|||
440 @(R-K+1)=Z |
|||
450 NEXT K |
|||
460 GOSUB 610 |
|||
470 REM *** CHECK FOR A WIN |
|||
480 FOR K=1 TO N |
|||
490 IF @(K)#K GOTO 330 |
|||
500 NEXT K |
|||
510 PRINT "YOU WON IT IN",T," MOVES!!!" |
|||
520 PRINT |
|||
530 INPUT "TRY AGAIN (1=YES, 0=NO)"A |
|||
550 IF A=1 GOTO 210 |
|||
560 PRINT |
|||
565 PRINT "O.K. HOPE YOU HAD FUN!!" |
|||
570 GOTO 999 |
|||
600 REM *** SUBROUTINE TO PRINT LIST |
|||
610 PRINT |
|||
620 FOR K=1 TO N |
|||
630 PRINT #2,@(K), |
|||
640 NEXT K |
|||
650 PRINT |
|||
660 RETURN |
|||
700 REM *** SUBROUTINE TO PRINT THE RULES |
|||
710 PRINT "THIS IS THE GAME OF 'REVERSE'. TO WIN, ALL YOU HAVE" |
|||
720 PRINT "TO DO IS ARRANGE A LIST OF NUMBERS (1 THROUGH ",#2,N,")" |
|||
730 PRINT "IN NUMERICAL ORDER FROM LEFT TO RIGHT. TO MOVE, YOU" |
|||
740 PRINT "TELL ME HOW MANY NUMBERS (COUNTING FROM THE LEFT) TO" |
|||
750 PRINT "REVERSE. FOR EXAMPLE, IF THE CURRENT LIST IS:" |
|||
755 PRINT |
|||
760 PRINT " 2 3 4 5 1 6 7 8 9" |
|||
765 PRINT |
|||
770 PRINT "AND YOU REVERSE 4, THE RESULT WILL BE:" |
|||
775 PRINT |
|||
780 PRINT " 5 4 3 2 1 6 7 8 9" |
|||
785 PRINT |
|||
790 PRINT "NOW IF YOU REVERSE 5, YOU WIN!" |
|||
795 PRINT |
|||
800 PRINT " 1 2 3 4 5 6 7 8 9" |
|||
805 PRINT |
|||
810 PRINT "NO DOUBT YOU WILL LIKE THIS GAME, BUT" |
|||
820 PRINT "IF YOU WANT TO QUIT, REVERSE 0 (ZERO)." |
|||
830 PRINT |
|||
840 RETURN |
|||
999 END |
|||
@ -0,0 +1,30 @@ |
|||
100 REM -- ADJUST USR FUNCTION POINTER |
|||
110 POKE 5118,6 |
|||
120 POKE 5119,20 |
|||
200 REM -- RTC BUFFER AT 5120-5125 |
|||
210 FOR I=0 TO 14 |
|||
220 READ A |
|||
230 POKE 5126+I,A |
|||
240 NEXT I |
|||
250 DATA 6,32,123,178,40,1,4,33,0,20,207,17,0,0,201 |
|||
300 INPUT "GET OR SET TIME (GET=0,SET=1)"P |
|||
310 IF P=0 GOTO 400 |
|||
320 A=5120:INPUT "YEAR"Q:GOSUB 500 |
|||
330 A=5121:INPUT "MONTH"Q:GOSUB 500 |
|||
340 A=5122:INPUT "DAY"Q:GOSUB 500 |
|||
350 A=5123:INPUT "HOURS"Q:GOSUB 500 |
|||
360 A=5124:INPUT "MINS"Q:GOSUB 500 |
|||
370 A=5125:INPUT "SECS"Q:GOSUB 500 |
|||
400 Q=USR(P) |
|||
410 PRINT $8,PEEK(5120),"-", |
|||
420 PRINT $8,PEEK(5121),"-", |
|||
430 PRINT $8,PEEK(5122)," ", |
|||
440 PRINT $8,PEEK(5123),":", |
|||
450 PRINT $8,PEEK(5124),":", |
|||
460 PRINT $8,PEEK(5125) |
|||
470 GOTO 300 |
|||
500 T=Q/10 |
|||
510 U=Q-10*T |
|||
520 B=T*16+U |
|||
530 POKE A,B |
|||
540 RETURN |
|||
@ -0,0 +1,117 @@ |
|||
2 PRINT "TIC-TAC-TOE" |
|||
4 PRINT "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY" |
|||
6 PRINT |
|||
8 PRINT "THE BOARD IS NUMBERED:" |
|||
10 PRINT " 1 2 3" |
|||
12 PRINT " 4 5 6" |
|||
14 PRINT " 7 8 9" |
|||
16 PRINT |
|||
20 FOR I=1 TO 9:@(I)=0:NEXT I |
|||
50 INPUT"DO YOU WANT 'X' OR 'O' (X=1,O=0)"C |
|||
55 IF C=1 GOTO 475 |
|||
60 P=0,Q=1 |
|||
100 G=-1,H=1:IF @(5)#0 GOTO 103 |
|||
102 @(5)=-1:GOTO 195 |
|||
103 IF @(5)#1 GOTO 106 |
|||
104 IF @(1)#0 GOTO 110 |
|||
105 @(1)=-1:GOTO 195 |
|||
106 IF (@(2)=1)*(@(1)=0) GOTO 181 |
|||
107 IF (@(4)=1)*(@(1)=0) GOTO 181 |
|||
108 IF (@(6)=1)*(@(9)=0) GOTO 189 |
|||
109 IF (@(8)=1)*(@(9)=0) GOTO 189 |
|||
110 IF G=1 GOTO 112 |
|||
111 GOTO 118 |
|||
112 J=3*(M-1)/3+1 |
|||
113 IF J=M LET K=1 |
|||
114 IF J+1=M LET K=2 |
|||
115 IF J+2=M LET K=3 |
|||
116 GOTO 120 |
|||
118 FOR J=1 TO 7 STEP 3:FOR K=1 TO 3 |
|||
120 IF @(J)#G GOTO 130 |
|||
122 IF @(J+2)#G GOTO 135 |
|||
126 IF @(J+1)#0 GOTO 150 |
|||
128 @(J+1)=-1:GOTO 195 |
|||
130 IF @(J)=H GOTO 150 |
|||
131 IF @(J+2)#G GOTO 150 |
|||
132 IF @(J+1)#G GOTO 150 |
|||
133 @(J)=-1:GOTO 195 |
|||
135 IF @(J+2)#0 GOTO 150 |
|||
136 IF @(J+1)#G GOTO 150 |
|||
138 @(J+2)=-1:GOTO 195 |
|||
150 IF @(K)#G GOTO 160 |
|||
152 IF @(K+6)#G GOTO 165 |
|||
156 IF @(K+3)#0 GOTO 170 |
|||
158 @(K+3)=-1:GOTO 195 |
|||
160 IF @(K)=H GOTO 170 |
|||
161 IF @(K+6)#G GOTO 170 |
|||
162 IF @(K+3)#G GOTO 170 |
|||
163 @(K)=-1:GOTO 195 |
|||
165 IF @(K+6)#0 GOTO 170 |
|||
166 IF @(K+3)#G GOTO 170 |
|||
168 @(K+6)=-1:GOTO 195 |
|||
170 GOTO 450 |
|||
171 IF (@(3)=G)*(@(7)=0) GOTO 187 |
|||
172 IF (@(9)=G)*(@(1)=0) GOTO 181 |
|||
173 IF (@(7)=G)*(@(3)=0) GOTO 183 |
|||
174 IF (@(9)=0)*(@(1)=G) GOTO 189 |
|||
175 IF G=-1 LET G=1,H=-1:GOTO 110 |
|||
176 IF (@(9)=1)*(@(3)=0) GOTO 182 |
|||
177 FOR I=2 TO 9:IF @(I)#0 GOTO 179 |
|||
178 @(I)=-1:GOTO 195 |
|||
179 NEXT I |
|||
181 @(1)=-1:GOTO 195 |
|||
182 IF @(1)=1 GOTO 177 |
|||
183 @(3)=-1:GOTO 195 |
|||
187 @(7)=-1:GOTO 195 |
|||
189 @(9)=-1 |
|||
195 PRINT"THE COMPUTER MOVES TO..." |
|||
202 GOSUB 1000 |
|||
205 GOTO 500 |
|||
450 IF G=1 GOTO 465 |
|||
455 IF (J=7)*(K=3) GOTO 465 |
|||
460 NEXT K:NEXT J |
|||
465 IF @(5)=G GOTO 171 |
|||
467 GOTO 175 |
|||
475 P=1,Q=0 |
|||
500 INPUT"WHERE DO YOU MOVE"M |
|||
502 IF M=0 PRINT"THANKS FOR THE GAME.":GOTO 2000 |
|||
503 IF M>9 GOTO 506 |
|||
505 IF @(M)=0 GOTO 510 |
|||
506 PRINT"THAT SQUARE IS OCCUPIED.":GOTO 500 |
|||
510 G=1,@(M)=1 |
|||
520 GOSUB 1000 |
|||
530 GOTO 100 |
|||
1000 FOR I=1 TO 9:PRINT" ",:IF @(I)#-1 GOTO 1014 |
|||
1011 IF Q=1 PRINT "X ", |
|||
1012 IF Q=0 PRINT "O ", |
|||
1013 GOTO 1020 |
|||
1014 IF @(I)#0 GOTO 1016 |
|||
1015 PRINT" ",:GOTO 1020 |
|||
1016 IF P=1 PRINT "X ", |
|||
1017 IF P=0 PRINT "O ", |
|||
1020 IF (I#3)*(I#6) GOTO 1050 |
|||
1030 PRINT"":PRINT"---+---+---" |
|||
1040 GOTO 1080 |
|||
1050 IF I=9 GOTO 1080 |
|||
1060 PRINT"!", |
|||
1080 NEXT I:PRINT |
|||
1095 FOR I=1 TO 7 STEP 3 |
|||
1100 IF @(I)#@(I+1) GOTO 1115 |
|||
1105 IF @(I)#@(I+2) GOTO 1115 |
|||
1110 IF @(I)=-1 GOTO 1350 |
|||
1112 IF @(I)=1 GOTO 1200 |
|||
1115 NEXT I:FOR I=1 TO 3:IF @(I)#@(I+3) GOTO 1150 |
|||
1130 IF @(I)#@(I+6) GOTO 1150 |
|||
1135 IF @(I)=-1 GOTO 1350 |
|||
1137 IF @(I)=1 GOTO 1200 |
|||
1150 NEXT I:FOR I=1 TO 9:IF @(I)=0 GOTO 1155 |
|||
1152 NEXT I:GOTO 1400 |
|||
1155 IF @(5)#G GOTO 1170 |
|||
1160 IF (@(1)=G)*(@(9)=G) GOTO 1180 |
|||
1165 IF (@(3)=G)*(@(7)=G) GOTO 1180 |
|||
1170 RETURN |
|||
1180 IF G=-1 GOTO 1350 |
|||
1200 PRINT"YOU BEAT ME!! GOOD GAME.":GOTO 2000 |
|||
1350 PRINT"I WIN, TURKEY!!!":GOTO 2000 |
|||
1400 PRINT"IT'S A DRAW. THANK YOU." |
|||
2000 END |
|||
@ -0,0 +1,48 @@ |
|||
; ----------------------------------------------------------------------------- |
|||
; Copyright 2021 Dimitri Theulings |
|||
; |
|||
; This file is part of Tasty Basic. |
|||
; |
|||
; Tasty Basic is free software: you can redistribute it and/or modify |
|||
; it under the terms of the GNU General Public License as published by |
|||
; the Free Software Foundation, either version 3 of the License, or |
|||
; (at your option) any later version. |
|||
; |
|||
; Tasty Basic is distributed in the hope that it will be useful, |
|||
; but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
; GNU General Public License for more details. |
|||
; |
|||
; You should have received a copy of the GNU General Public License |
|||
; along with Tasty Basic. If not, see <https://www.gnu.org/licenses/>. |
|||
; ----------------------------------------------------------------------------- |
|||
; Tasty Basic is derived from earlier works by Li-Chen Wang, Peter Rauskolb, |
|||
; and Doug Gabbard. Refer to the source code repository for details |
|||
; <https://github.com/dimitrit/tastybasic/>. |
|||
; ----------------------------------------------------------------------------- |
|||
|
|||
#IFDEF CPM |
|||
.ORG $0C00 ; ie. 3072 dec |
|||
#ELSE |
|||
.ORG $1400 ; ie. 5120 dec |
|||
#ENDIF |
|||
|
|||
LD B,0 |
|||
LD A,D |
|||
CALL COUNT |
|||
LD A,E |
|||
CALL COUNT |
|||
LD E,B |
|||
LD D,0 |
|||
RET |
|||
COUNT: |
|||
OR A |
|||
RET Z |
|||
BIT 0,A |
|||
JR Z,NEXT |
|||
INC B |
|||
NEXT: |
|||
SRL A |
|||
JR COUNT |
|||
|
|||
.END |
|||
Binary file not shown.
Binary file not shown.
@ -0,0 +1,13 @@ |
|||
@echo off |
|||
setlocal |
|||
|
|||
set TOOLS=..\..\..\Tools |
|||
|
|||
set PATH=%TOOLS%\tasm32;%PATH% |
|||
|
|||
set TASMTABS=%TOOLS%\tasm32 |
|||
|
|||
tasm -80 -dROMWBW tastybasic.asm tastybasic.bin tastybasic.bin.lst |
|||
tasm -80 -dCPM tastybasic.asm tastybasic.com tastybasic.com.lst |
|||
|
|||
copy /b /v tastybasic.com ..\..\..\Binary\Apps\tbasic.com |
|||
@ -0,0 +1,11 @@ |
|||
@echo off |
|||
setlocal |
|||
|
|||
if exist *.bin del *.bin |
|||
if exist *.lst del *.lst |
|||
if exist *.prn del *.prn |
|||
if exist *.hex del *.hex |
|||
if exist *.rel del *.rel |
|||
if exist *.sym del *.sym |
|||
|
|||
if exist ..\..\..\Binary\Apps\tbasic.com del ..\..\..\Binary\Apps\tbasic.com |
|||
@ -0,0 +1,32 @@ |
|||
UNAME := $(shell uname) |
|||
VER := $(shell git describe --tags --abbrev=0) |
|||
APPDIR := $(wildcard ../../../Binary/Apps) |
|||
BINDIR := ../../../Tools/$(UNAME) |
|||
|
|||
ROMIMAGE := tastybasic.bin |
|||
ROMDEPS := tastybasic.asm romwbwio.asm |
|||
CPMCMD := tastybasic.com |
|||
CPMDEPS := tastybasic.asm cpmio.asm |
|||
CPMAPP := $(APPDIR)/tbasic.com |
|||
CPMIMAGE := tastybasic.img |
|||
|
|||
export PATH := $(BINDIR):${PATH} |
|||
|
|||
all: $(ROMIMAGE) $(CPMCMD) | $(APPDIR) |
|||
|
|||
clean clobber: |
|||
@rm -f *.lst *.img *.com *.bin $(CPMAPP) |
|||
$(ROMIMAGE): $(ROMDEPS) |
|||
@uz80as -dROMWBW -d"VERSION \"$(VER)\"" tastybasic.asm tastybasic.bin tastybasic.bin.lst |
|||
|
|||
$(CPMIMAGE): $(CPMCMD) |
|||
@mkfs.cpm -f wbw_fd144 tastybasic.img |
|||
@cpmcp -f wbw_fd144 tastybasic.img tastybasic.com 0:tbasic.com |
|||
|
|||
$(CPMCMD): $(CPMDEPS) |
|||
@uz80as -dCPM -d"VERSION \"$(VER)\"" tastybasic.asm tastybasic.com tastybasic.com.lst |
|||
|
|||
$(APPDIR): $(CPMCMD) |
|||
@cat $(CPMCMD) > $(CPMAPP) |
|||
|
|||
.PHONY: clean clobber $(APPDIR) |
|||
@ -0,0 +1,207 @@ |
|||
; ----------------------------------------------------------------------------- |
|||
; Copyright 2021 Dimitri Theulings |
|||
; |
|||
; This file is part of Tasty Basic. |
|||
; |
|||
; Tasty Basic is free software: you can redistribute it and/or modify |
|||
; it under the terms of the GNU General Public License as published by |
|||
; the Free Software Foundation, either version 3 of the License, or |
|||
; (at your option) any later version. |
|||
; |
|||
; Tasty Basic is distributed in the hope that it will be useful, |
|||
; but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
; GNU General Public License for more details. |
|||
; |
|||
; You should have received a copy of the GNU General Public License |
|||
; along with Tasty Basic. If not, see <https://www.gnu.org/licenses/>. |
|||
; ----------------------------------------------------------------------------- |
|||
; Tasty Basic is derived from earlier works by Li-Chen Wang, Peter Rauskolb, |
|||
; and Doug Gabbard. Refer to the source code repository for details |
|||
; <https://github.com/dimitrit/tastybasic/>. |
|||
; ----------------------------------------------------------------------------- |
|||
|
|||
USRPTR_OFFSET .equ 0afeh |
|||
INTERNAL_OFFSET .equ 0c00h |
|||
TEXTEND_OFFSET .equ 07cffh |
|||
STACK_OFFSET .equ 07effh |
|||
|
|||
BDOS .equ 05h ; standard cp/m entry |
|||
DCONIO .equ 06h ; direct console I/O |
|||
INPREQ .equ 0ffh ; console input request |
|||
TERMCPM .equ 0 |
|||
OPENF .equ 0fh ; file open |
|||
CLOSEF .equ 10h ; file close |
|||
DELETEF .equ 13h ; file delete |
|||
READF .equ 14h ; read file record |
|||
WRITEF .equ 15h ; write file record |
|||
MAKEF .equ 16h ; make new file |
|||
SETDMA .equ 1ah ; set DMA address |
|||
EOF .equ 1ah ; EOF marker |
|||
DMAOFF .equ 1ah ; set DMA address pointer |
|||
FCB .equ 5ch ; file control block address |
|||
DMA .equ 80h ; disk buffer address |
|||
BUFSIZE .equ 80h ; disk buffer size |
|||
|
|||
; FILE CONTROL BLOCK DEFINITIONS |
|||
FCBDN .equ FCB+0 ; disk name |
|||
FCBFN .equ FCB+1 ; file name |
|||
FCBFT .equ FCB+9 ; disk file type (3 chars) |
|||
FCBRL .equ FCB+12 ; file's current reel number |
|||
FCBRC .equ FCB+15 ; file's record count (0 to 128) |
|||
FCBCR .equ FCB+32 ; current (next) record |
|||
FCBLN .equ FCB+33 ; FCB length |
|||
FTYPE .db "TBA" ; tasty basic file type |
|||
|
|||
haschar: |
|||
push bc |
|||
push de |
|||
ld c,DCONIO ; direct console i/o |
|||
ld e,INPREQ ; input request |
|||
call BDOS ; any chr typed? |
|||
pop de ; if yes, (a)<--char |
|||
pop bc ; else (a)<--00h (ignore chr) |
|||
or a |
|||
ret |
|||
; |
|||
putchar: |
|||
push bc |
|||
push de |
|||
push af |
|||
push hl |
|||
ld c,DCONIO ; direct console i/o |
|||
ld e,a ; output char (a) |
|||
call BDOS |
|||
pop hl |
|||
pop af |
|||
pop de |
|||
pop bc |
|||
ret |
|||
load: |
|||
ld hl,textbegin ; ** load ** |
|||
ld (textunfilled),hl ; clear program text area |
|||
call clrvars ; and variables |
|||
call fname ; get filename |
|||
call fopen ; and open file for reading |
|||
ld de,DMA |
|||
ld c,SETDMA ; point dma to default |
|||
call BDOS |
|||
|
|||
lo1: |
|||
ld de,FCB ; and read record |
|||
ld c,READF |
|||
call BDOS |
|||
or a ; are we at EOF? |
|||
jr nz,lo3 ; yes, all done |
|||
ld b,BUFSIZE ; no, copy from io buffer |
|||
ld de,DMA ; to text buffer |
|||
ld hl,(textunfilled) |
|||
lo2: |
|||
ld a,(de) ; get char from buffer |
|||
cp 1ah ; is it EOF? |
|||
jr z,lo3 ; yes, all done |
|||
ld (hl),a ; copy char to text area |
|||
inc hl ; and update pointers |
|||
inc de |
|||
ld (textunfilled),hl |
|||
dec b ; end of record? |
|||
jr z,lo1 ; yes, so try next record |
|||
jr lo2 ; no, copy next char |
|||
lo3: |
|||
jp rstart |
|||
save: |
|||
call fname ; ** save ** |
|||
ld de,textbegin ; check there is a program |
|||
ld hl,(textunfilled) ; in memory |
|||
sbc hl,de |
|||
jr nz,sa1 ; yes, try to save it |
|||
jp qhow ; no, nothing to be done |
|||
sa1: |
|||
call fdel ; remove any existing file |
|||
call fmake ; open new file for writing |
|||
ld de,textbegin ; initialise text ptr |
|||
sa2: |
|||
push de ; save current text ptr |
|||
ld hl,(textunfilled) |
|||
ld (hl),EOF ; set EOF marker |
|||
sbc hl,de ; are we done? |
|||
jr c,sa4 |
|||
ld c,SETDMA ; point dma to text |
|||
call BDOS |
|||
ld de,FCB ; write record |
|||
ld c,WRITEF |
|||
call BDOS |
|||
or a ; all good? |
|||
jr z,sa3 ; yes, try next |
|||
jp qsorry ; no, something bad happened |
|||
sa3: |
|||
pop hl ; update text ptr |
|||
ld de,BUFSIZE |
|||
add hl,de |
|||
ex de,hl |
|||
jr sa2 |
|||
sa4: |
|||
call fclose ; and close file jp rstart |
|||
jp rstart |
|||
fname: |
|||
call testc ; check filename |
|||
.db 22h ; is first char a double quote |
|||
.db fn4-$-1 ; no, so fail |
|||
ld hl,FCBFN ; start configuring fcb |
|||
ld b,22h |
|||
ld c,8 ; max filename length |
|||
fn1: |
|||
ld a,(de) |
|||
inc de ; bump pointer |
|||
cp b ; double quote? |
|||
jr z,fn2 |
|||
ld (hl),a ; copy into fcb |
|||
inc hl |
|||
dec c ; check filename length |
|||
jp z,qhow ; too long |
|||
jr fn1 |
|||
fn2: |
|||
call endchk |
|||
ld a,20h ; clear any remaining chars |
|||
ld (hl),a ; in filename |
|||
inc hl |
|||
dec c |
|||
jr nz,fn2 |
|||
ld b,3 ; set file type |
|||
ld hl,FTYPE |
|||
ld de,FCBFT |
|||
fn3: |
|||
ld a,(hl) |
|||
ld (de),a |
|||
inc hl |
|||
inc de |
|||
dec b |
|||
jr nz,fn3 |
|||
xor a |
|||
ld (FCBCR),a ; clear current record |
|||
ret |
|||
fn4: |
|||
jp qwhat |
|||
fopen: |
|||
ld de,FCB ; open file |
|||
ld c,OPENF |
|||
jr fexec |
|||
fclose: |
|||
ld de,FCB ; close file |
|||
ld c,CLOSEF |
|||
jr fexec |
|||
fmake: |
|||
ld de,FCB ; create new file |
|||
ld c,MAKEF |
|||
fexec: |
|||
call BDOS |
|||
inc a ; did operation fail? |
|||
ret nz ; no, all good |
|||
jp qhow ; something bad happened |
|||
fdel: |
|||
ld de,FCB ; delete file |
|||
ld c,DELETEF |
|||
jp BDOS ; ignore any errors |
|||
bye: |
|||
ld c,TERMCPM ; does not return! |
|||
jp BDOS |
|||
@ -0,0 +1,100 @@ |
|||
|
|||
; ----------------------------------------------------------------------------- |
|||
; Copyright 2021 Dimitri Theulings |
|||
; |
|||
; This file is part of Tasty Basic. |
|||
; |
|||
; Tasty Basic is free software: you can redistribute it and/or modify |
|||
; it under the terms of the GNU General Public License as published by |
|||
; the Free Software Foundation, either version 3 of the License, or |
|||
; (at your option) any later version. |
|||
; |
|||
; Tasty Basic is distributed in the hope that it will be useful, |
|||
; but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
; GNU General Public License for more details. |
|||
; |
|||
; You should have received a copy of the GNU General Public License |
|||
; along with Tasty Basic. If not, see <https://www.gnu.org/licenses/>. |
|||
; ----------------------------------------------------------------------------- |
|||
; Tasty Basic is derived from earlier works by Li-Chen Wang, Peter Rauskolb, |
|||
; and Doug Gabbard. Refer to the source code repository for details |
|||
; <https://github.com/dimitrit/tastybasic/>. |
|||
; ----------------------------------------------------------------------------- |
|||
|
|||
CIODEV_CONSOLE .equ 0d0h |
|||
BF_CIOIN .equ 00h ; character input |
|||
BF_CIOOUT .equ 01h ; character output |
|||
BF_CIOIST .equ 02h ; character input status |
|||
BF_SYSRESET .equ 0f0h ; restart system |
|||
BF_SYSRES_WARM .equ 01h ; warm start |
|||
|
|||
;************************************************************* |
|||
; |
|||
; THE FOLLOWING NEED MUST BE SYNCED WITH STD.ASM SO ROMLDR |
|||
; KNOWS WHERE THIS EXECUTES AT |
|||
; |
|||
;************************************************************* |
|||
; |
|||
#ifndef PLATFORM |
|||
TBC_LOC .equ $0a00 |
|||
#endif |
|||
TBC_SIZ .equ $0a00 |
|||
TBC_END .equ TBC_LOC + TBC_SIZ |
|||
; |
|||
;************************************************************* |
|||
|
|||
USRPTR_OFFSET .equ 09feh |
|||
INTERNAL_OFFSET .equ 0c00h |
|||
TEXTEND_OFFSET .equ 07dffh |
|||
STACK_OFFSET .equ 07fffh |
|||
|
|||
bye: |
|||
call endchk ; ** Reboot ** |
|||
ld b,BF_SYSRESET ; system restart |
|||
ld c,BF_SYSRES_WARM ; warm start |
|||
jp 0fff0h ; does not return! |
|||
putchar: |
|||
push af |
|||
push bc |
|||
push de |
|||
push hl |
|||
; output character to console via hbios |
|||
ld e,a ; output char to e |
|||
ld c,CIODEV_CONSOLE ; console unit to c |
|||
ld b,BF_CIOOUT ; hbios func: output char |
|||
rst 08h ; hbios outputs character |
|||
|
|||
pop hl |
|||
pop de |
|||
pop bc |
|||
pop af |
|||
ret |
|||
haschar: |
|||
push bc |
|||
push de |
|||
push hl |
|||
; get console input status via hbios |
|||
ld c,CIODEV_CONSOLE ; console unit to c |
|||
ld b,BF_CIOIST ; hbios func: input status |
|||
rst 08h ; hbios returns status in a |
|||
|
|||
pop hl |
|||
pop de |
|||
pop bc |
|||
ret |
|||
|
|||
getchar: |
|||
push bc |
|||
push de |
|||
push hl |
|||
; input character from console via hbios |
|||
ld c,CIODEV_CONSOLE ; console unit to c |
|||
ld b,BF_CIOIN ; hbios func: input char |
|||
rst 08h ; hbios reads charactdr |
|||
ld a,e ; move character to a for return |
|||
; restore registers (af is output) |
|||
pop hl |
|||
pop de |
|||
pop bc |
|||
ret |
|||
File diff suppressed because it is too large
@ -0,0 +1,54 @@ |
|||
|
|||
; ----------------------------------------------------------------------------- |
|||
; Copyright 2021 Dimitri Theulings |
|||
; |
|||
; This file is part of Tasty Basic. |
|||
; |
|||
; Tasty Basic is free software: you can redistribute it and/or modify |
|||
; it under the terms of the GNU General Public License as published by |
|||
; the Free Software Foundation, either version 3 of the License, or |
|||
; (at your option) any later version. |
|||
; |
|||
; Tasty Basic is distributed in the hope that it will be useful, |
|||
; but WITHOUT ANY WARRANTY; without even the implied warranty of |
|||
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|||
; GNU General Public License for more details. |
|||
; |
|||
; You should have received a copy of the GNU General Public License |
|||
; along with Tasty Basic. If not, see <https://www.gnu.org/licenses/>. |
|||
; ----------------------------------------------------------------------------- |
|||
; Tasty Basic is derived from earlier works by Li-Chen Wang, Peter Rauskolb, |
|||
; and Doug Gabbard. Refer to the source code repository for details |
|||
; <https://github.com/dimitrit/tastybasic/>. |
|||
; ----------------------------------------------------------------------------- |
|||
|
|||
USRPTR_OFFSET .equ 09feh |
|||
INTERNAL_OFFSET .equ 0c00h |
|||
TEXTEND_OFFSET .equ 07dffh |
|||
STACK_OFFSET .equ 07fffh |
|||
|
|||
tty_data .equ 7ch |
|||
tty_status .equ 7dh |
|||
rx_full .equ 1 |
|||
tx_empty .equ 0 |
|||
|
|||
putchar: |
|||
call uart_tx_ready ; see if transmit is available |
|||
out (tty_data),a ; and send it |
|||
ret |
|||
uart_tx_ready: |
|||
push af |
|||
uart_tx_ready_loop: |
|||
in a,(tty_status) |
|||
bit tx_empty,a |
|||
jp z,uart_tx_ready_loop |
|||
pop af |
|||
ret |
|||
haschar: |
|||
in a,(tty_status) ; check if character available |
|||
bit rx_full,a |
|||
ret |
|||
|
|||
getchar: |
|||
in a,(tty_data) ; get the character |
|||
ret |
|||
Loading…
Reference in new issue