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cc65/libsrc/geos-cbm/disk/dio_read.s

24 lines
489 B
ArmAsm

;
; 2001-07-02, Maciej 'YTM/Elysium' Witkowiak
; 2015-08-27, Greg King
;
; this file provides the _dio_read function
;
; unsigned char __fastcall__ dio_read (dhandle_t handle, unsigned sect_num, void *buffer);
;
.export _dio_read
.import dio_params, ___oserror
.include "geossym.inc"
.include "jumptab.inc"
_dio_read:
jsr dio_params
tay
bne err
jsr ReadBlock
stx ___oserror
txa
err: rts