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cc65/libsrc/atari/dioread.s
cpg 16d52709b0 dio functions and types now have no leading _ anymore
git-svn-id: svn://svn.cc65.org/cc65/trunk@435 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-11-16 21:27:42 +00:00

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ArmAsm

;
; Christian Groessler, October 2000
;
; this file provides the _dio_read function
;
; unsigned char __fastcall__ dio_read(dhandle_t handle,sectnum_t sect_num,void *buffer);
; dhandle_t - 16bit (ptr)
; sectnum_t - 16bit
;
.import __sio_call,pushax
.export _dio_read
.include "atari.inc"
.proc _dio_read
jsr pushax ; push buffer address
ldx #%01000000 ; direction value
lda #SIO_READ ; read sector command
jmp __sio_call ; do the call and return to the user
.endproc