33 lines
434 B
ArmAsm
33 lines
434 B
ArmAsm
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macroState=$50 ; pointer to state
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macroAddr=$52 ; pointer to address
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; macro state takes 4 bytes
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; macroPos bits:
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; 7: had
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; 6: will
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; x: macro
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macroIntRun:
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lda macroAddr,x
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ora macroAddr+1,x
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beq :+
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; do macro
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: rts
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; set the macro address, then call
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; x: macro
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macroIntInit:
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lda #0
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sta macroState,x
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sta macroPos,x
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txa
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rol
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tax
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lda macroAddr,x
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ora macroAddr+1,x
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beq :+
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lda #$40
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sta macroState,x
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: rts
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