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cc65/libsrc/apple2/diocommon.s

36 lines
832 B
ArmAsm

;
; Oliver Schmidt, 24.03.2005
;
.export dioprolog, diocommon, dioepilog
.import popax
.include "errno.inc"
.include "mli.inc"
dioprolog:
; Set buffer
sta mliparam + MLI::RW_BLOCK::DATA_BUFFER
stx mliparam + MLI::RW_BLOCK::DATA_BUFFER+1
; Get and set sect_num
jsr popax
sta mliparam + MLI::RW_BLOCK::BLOCK_NUM
stx mliparam + MLI::RW_BLOCK::BLOCK_NUM+1
; Get and set handle
jsr popax
sta mliparam + MLI::RW_BLOCK::UNIT_NUM
rts
diocommon:
; Call read_block or write_block
ldx #RW_BLOCK_COUNT
jsr callmli
dioepilog:
; Return success or error
sta __oserror
ldx #$00
rts