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dma updates

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b1ackmai1er
2021-10-21 23:14:35 +08:00
parent 711bf1c877
commit be1fb0836f
6 changed files with 46 additions and 25 deletions
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4
Source/HBIOS/md.asm
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@@ -382,7 +382,7 @@ MD_SECM:
OR A
JR NZ,MD_NODMA
#ENDIF
LD BC,512-1 ; COPY ONE 512B SECTOR FROM THE
LD BC,512 ; COPY ONE 512B SECTOR FROM THE
JP DMALDIR ; 4K SECTOR TO THE DISK BUFFER
#ENDIF
MD_NODMA:
@@ -516,7 +516,7 @@ MD_SECM1: ; DESIRED SECTOR IS IN BUFFER
OR A
JR NZ,MD_NODMA1
#ENDIF
LD BC,512-1 ; COPY ONE 512B SECTOR FROM THE
LD BC,512 ; COPY ONE 512B SECTOR FROM THE
CALL DMALDIR ; THE DISK BUFFER TO 4K SECTOR
RET NZ ; EXIT IF DMA COPY ERROR
JR MD_NODMAERR