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45 lines
752 B
NASM
45 lines
752 B
NASM
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; ---- builtin functions
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func_any_b_stack .proc
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jsr func_any_b_into_A
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_pushA sta P8ESTACK_LO,x
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dex
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rts
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.pend
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func_all_b_stack .proc
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jsr func_all_b_into_A
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jmp func_any_b_stack._pushA
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.pend
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func_any_b_into_A .proc
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; -- any(array), array in P8ZP_SCRATCH_W1, num bytes in A
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sta _cmp_mod+1 ; self-modifying code
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ldy #0
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- lda (P8ZP_SCRATCH_W1),y
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bne _got_any
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iny
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_cmp_mod cpy #255 ; modified
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bne -
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lda #0
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rts
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_got_any lda #1
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rts
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.pend
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func_all_b_into_A .proc
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; -- all(array), array in P8ZP_SCRATCH_W1, num bytes in A
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sta _cmp_mod+1 ; self-modifying code
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ldy #0
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- lda (P8ZP_SCRATCH_W1),y
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beq _got_not_all
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iny
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_cmp_mod cpy #255 ; modified
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bne -
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lda #1
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_got_not_all rts
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.pend
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