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35 lines
862 B
NASM
35 lines
862 B
NASM
// Illustrates problem with passing an inline struct value as a parameter
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// Commodore 64 PRG executable file
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.file [name="problem-struct-inline-parameter.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(main)
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.label SCREEN = $400
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.segment Code
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main: {
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// print('c', (struct format){ '-', '-' } )
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jsr print
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// }
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rts
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}
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// void print(char c, char fmt_prefix, char fmt_postfix)
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print: {
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.const c = 'c'
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.const fmt_prefix = '-'
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.const fmt_postfix = '-'
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// SCREEN[idx++] = fmt.prefix
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lda #fmt_prefix
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sta SCREEN
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// SCREEN[idx++] = c
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lda #c
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sta SCREEN+1
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// SCREEN[idx++] = fmt.postfix
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lda #fmt_postfix
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sta SCREEN+2
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// }
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rts
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}
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