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39 lines
802 B
NASM
39 lines
802 B
NASM
// Test declaring a variable as "memory", meaning it will be stored in main memory
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// Test a fixed main memory address __notssa variable
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// Commodore 64 PRG executable file
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.file [name="declared-memory-var-8.prg", type="prg", segments="Program"]
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.segmentdef Program [segments="Basic, Code, Data"]
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.segmentdef Basic [start=$0801]
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.segmentdef Code [start=$80d]
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.segmentdef Data [startAfter="Code"]
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.segment Basic
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:BasicUpstart(__start)
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.label SCREEN = $400
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.label idx = $1000
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.segment Code
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__start: {
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// __ma __address(0x1000) char idx
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lda #0
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sta idx
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jsr main
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rts
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}
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main: {
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ldx #0
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__b1:
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// SCREEN[i] = idx
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lda idx
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sta SCREEN,x
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// idx +=i
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txa
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clc
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adc idx
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sta idx
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// for( char i: 0..5 )
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inx
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cpx #6
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bne __b1
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// }
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rts
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}
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