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47 lines
1.1 KiB
ArmAsm
47 lines
1.1 KiB
ArmAsm
;
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; Wayne Parham (wayne@parhamdata.com)
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;
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; int __fastcall__ loadt (unsigned char id);
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; int __fastcall__ dumpt (unsigned char id, void* start_addr, void* end_addr);
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;
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.include "sym1.inc"
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.import popa, popax, return0, return1
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.export _loadt, _dumpt
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.segment "CODE"
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.proc _loadt: near
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sta P1L ; Tape record ID to P1L
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ldx #$00
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stx P1H
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ldy #$80
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jsr LOADT ; Read data from tape
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bcs error
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jmp return0 ; Return 0 if sucessful
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error: jmp return1 ; or 1 if not
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.endproc
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.proc _dumpt: near
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sta P3L ; End address
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stx P3H
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jsr popax
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sta P2L ; Start address
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stx P2H
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jsr popa
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sta P1L ; Tape Record ID
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ldx #$00
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stx P1H
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ldy #$80
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jsr DUMPT ; Write data to tape
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bcs error
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jmp return0 ; Return 0 if sucessful
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error: jmp return1 ; or 1 if not
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.endproc
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