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47 lines
737 B
NASM
47 lines
737 B
NASM
// Demonstrates initializing an array of structs
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// Array of structs containing words
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.const OFFSET_STRUCT_POINT_Y = 1
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main: {
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.label SCREEN = $400
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.label __4 = 3
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.label idx = 2
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lda #0
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sta.z idx
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tax
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__b1:
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txa
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asl
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stx.z $ff
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clc
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adc.z $ff
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sta.z __4
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tay
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lda points,y
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ldy.z idx
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sta SCREEN,y
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inc.z idx
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ldy.z __4
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lda points+OFFSET_STRUCT_POINT_Y,y
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ldy.z idx
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sta SCREEN,y
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inc.z idx
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ldy.z __4
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lda points+OFFSET_STRUCT_POINT_Y+1,y
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ldy.z idx
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sta SCREEN,y
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inc.z idx
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inx
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cpx #3
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bne __b1
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rts
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}
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points: .byte 1
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.word 2
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.byte 3
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.word 4
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.byte 5
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.word 6
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