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48 lines
705 B
NASM
48 lines
705 B
NASM
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// 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 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 $ff
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clc
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adc $ff
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sta _4
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tay
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lda points,y
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ldy idx
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sta SCREEN,y
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inc idx
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ldy _4
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lda points+OFFSET_STRUCT_POINT_Y,y
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ldy idx
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sta SCREEN,y
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inc idx
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ldy _4
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lda points+OFFSET_STRUCT_POINT_Y+1,y
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ldy idx
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sta SCREEN,y
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inc 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:
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.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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