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Merge pull request #250 from b1ackmai1er/dev

Update md.asm - Table size off by one. Fix endien confusion for flash id
pull/254/head
Wayne Warthen 4 years ago
committed by GitHub
parent
commit
d43fbc0c18
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
  1. 30
      Source/HBIOS/md.asm

30
Source/HBIOS/md.asm

@ -764,7 +764,6 @@ MDSTR_LEN .TEXT "LEN=$"
;==================================================================================================
;
#IF (MDFFENABLE)
MD_TGTDEV .EQU 0B7BFH ; TARGET CHIP FOR R/W FILESYSTEM 39SF040
;
;======================================================================
; BIOS FLASH INITIALIZATION
@ -803,8 +802,8 @@ MD_PROBE:
CALL MD_CALBAS ; SETUP BANK AND SECTOR
LD HL,MD_FIDEN_R ; PUT ROUTINE TO CALL
CALL MD_FNCALL ; EXECUTE: IDENTIFY FLASH CHIP
LD HL,MD_TGTDEV ; IF WE MATCH WITH
;
LD HL,(MD_TGTDEV) ; IF WE MATCH WITH
XOR A ; A NON 39SF040
SBC HL,BC ; CHIP SET THE
JR Z,MD_PR2 ; R/W FLAG TO R/O
@ -860,19 +859,23 @@ MD_LAND:
;
#IF (MD_FDBG==1)
PRTS(" ID:$")
CALL PRTHEXWORD ; DISPLAY FLASH ID
LD A,C
CALL PRTHEXBYTE ; DISPLAY FLASH ID
LD A,B
CALL PRTHEXBYTE
CALL PC_SPACE
#ENDIF
;
LD HL,MD_TABLE ; SEARCH THROUGH THE FLASH
LD DE,MD_T_CNT ; TABLE TO FIND A MATCH
MD_NXT1:LD A,(HL)
CP B
LD DE,MD_T_CNT-1 ; TABLE TO FIND A MATCH
MD_NXT1:
LD A,(HL)
CP C
JR NZ,MD_NXT0 ; FIRST BYTE DOES NOT MATCH
;
INC HL
LD A,(HL)
CP C
CP B
DEC HL
JR NZ,MD_NXT0 ; SECOND BYTE DOES NOT MATCH
;
@ -987,10 +990,12 @@ MD_SAVSTK .DW 0
;
;======================================================================
;
#DEFINE FF_CHIP(FFROMID,FFROMNM) \
#DEFCONT ; \
#DEFCONT .DW FFROMID \
#DEFCONT .DB FFROMNM \
#DEFINE FF_CHIP(FFROMID,FFROMNM) \
#DEFCONT ; \
#DEFCONT .DB (FFROMID >> 8) & $FF \
#DEFCONT .DB (FFROMID & $FF) \
#DEFCONT .DB FFROMNM \
#DEFCONT ;
;
MD_TABLE:
@ -1011,6 +1016,7 @@ FF_CHIP(037A4H,"A29010B$ ")
FF_CHIP(03786H,"A29040B$ ")
FF_CHIP(0BFB5H,"39F010$ ")
FF_CHIP(0BFB6H,"39F020$ ")
MD_TGTDEV: ; TARGET CHIP FOR R/W FILESYSTEM 39SF040
FF_CHIP(0BFB7H,"39F040$ ")
FF_CHIP(0C2A4H,"MX29F040$ ")
;

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