33 lines
506 B
ArmAsm
33 lines
506 B
ArmAsm
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.define Lxa2
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! This subroutine load the address of AB n (255 >= n > 0) static levels
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! back.
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Lxa2:
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lda LB
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sta ADDR ! address of localbase (lowbyte)
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lda LB+1
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sta ADDR+1 ! address of localbase (highbyte)
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1: ldy #2
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lda (ADDR),y ! static level LB (lowbyte)
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pha
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iny
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lda (ADDR),y ! static level LB (highbyte)
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sta ADDR+1 ! static level LB (highbyte)
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pla
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sta ADDR ! static level LB (lowbyte)
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dex
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bne 1b
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tax
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ldy ADDR+1
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inx
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inx ! argumentbase = localbase + 2
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bne 1f
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iny
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1: tya
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rts
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