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Fix a bug in MAPDRV and a bug in the MFRSD kernel regarding DEV_STATUS routine #119

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merged 1 commit into from
Nov 30, 2023
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Fix a bug in MAPDRV and a bug in the MFRSD kernel regarding DEV_STATUS routine #119

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4 changes: 3 additions & 1 deletion source/kernel/bank4/partit.mac
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Original file line number Diff line number Diff line change
Expand Up @@ -3137,7 +3137,7 @@ MAP_SPECIFIC:

MAP_DRV_UNK:
;Unknown change status: assume unchanged media.
;If it has changed, the boot checksum checksum
;If it has changed, the boot checksum
;mechanism will do the work of unassigning
;all other drives mapped to this device
;if necessary.
Expand All @@ -3147,6 +3147,7 @@ MAP_DRV_UNK:
MAP_DRV_CH:
push hl
push iy
push bc
ld e,(hl)
inc hl
ld d,(hl)
Expand All @@ -3156,6 +3157,7 @@ MAP_DRV_CH:
ld d,(iy+2)
ld e,(iy+3)
call UNMAPALL
pop bc
pop iy
pop hl

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5 changes: 4 additions & 1 deletion source/kernel/drivers/MegaFlashRomSD/mfrsd.asm
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Expand Up @@ -666,7 +666,7 @@ DEV_RW:

;ld hl,(#f9f0)
;inc hl
;ld (#f9f0),hl ; Cuenta lecturas
;ld (#f9f0),hl ; Count reads

call SD_OFF
ei
Expand All @@ -677,6 +677,9 @@ DEV_RW:
ret

.ok:
;A successful device access must reset the "device changed" flag
res BIT_SD_CHG,(ix+STATUS)

xor a ; Ok
ret

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