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