mirror of
https://github.com/buserror/mii_emu.git
synced 2024-11-25 20:33:52 +00:00
50 lines
840 B
NASM
50 lines
840 B
NASM
; Test for addressing modes
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.org $10
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;.verbose
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imm lda #$aa
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zp_rel ldx $0010 ; converted to ZP load by asm
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cpx #$a9 ; lda !
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bne fail1
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lda $11
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tax
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cpx #$aa
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bne fail2
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ldx #$10
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zp_x ldy $0,x ; converted to ZP load by asm
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cpy #$a9
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bne fail3
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ldy #$01
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abs_y ldx $10,y
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cpx #$aa
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bne fail4
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abs_x lda #$de
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sta $101
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lda #$ad
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lda $100
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ldx #$1
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ldy $100,x
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cpy #$de
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bne fail5
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; Now lets go test the indirect ones
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dst_ad = $3000
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ind_x lda #$a9
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sta dst_ad
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stz $f2
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lda #$30
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sta $f3
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ldx #$2
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lda ($f0,x) ; sould read $00 $00 from $f2,$f3
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tay
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cpy #$a9
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bne fail6
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bra pass
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fail1 brk ; Basic ABS load failed
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fail2 brk ; Basic $xx ZP load failed
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fail3 brk ; $xx,x ZP load failed
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fail4 brk ; $xxxx,y ZP load failed
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fail5 brk ; ($xxxx) load failed
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fail6 brk ; ($xx,x) load failed
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pass brk
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