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Use correct chs order in floppy programs

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Paul Mathieu
2025-09-25 11:54:12 +02:00
parent 2120df695e
commit fa1b26ef10
2 changed files with 6 additions and 6 deletions
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6
readfloppy.asm
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@@ -14,11 +14,11 @@ mov es, dx ; es = 0
mov bx, 0xf000 ; store the read sector there mov bx, 0xf000 ; store the read sector there
mov ax, 0x0201 ; read, 1 sector mov ax, 0x0201 ; read, 1 sector
; params: head, cylinder, sector, out ; params: cylinder, head, sector, out
mov si, [bp+14] mov si, [bp+14]
mov dh, [si]
mov si, [bp+12]
mov ch, [si] mov ch, [si]
mov si, [bp+12]
mov dh, [si]
mov si, [bp+10] mov si, [bp+10]
mov cl, [si] mov cl, [si]

6
writefloppy.asm
View File

@@ -14,11 +14,11 @@ mov es, dx ; es = 0
mov bx, 0xf000 ; store the read sector there mov bx, 0xf000 ; store the read sector there
mov ax, 0x0301 ; write, 1 sector mov ax, 0x0301 ; write, 1 sector
; params: head, cylinder, sector, out ; params: cylinder, head, sector, out
mov si, [bp+14] mov si, [bp+14]
mov dh, [si]
mov si, [bp+12]
mov ch, [si] mov ch, [si]
mov si, [bp+12]
mov dh, [si]
mov si, [bp+10] mov si, [bp+10]
mov cl, [si] mov cl, [si]