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18 lines
383 B
NASM
18 lines
383 B
NASM
; WUDSN IDE example ATASM source file
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; Supports hyperlink navigation includes.
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.include "..\Macros.inc"
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* = $2000 ;Start of code
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.opt ILL ;Enable use of illegal opcodes
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.if as
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start sei ;Run address
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loop lda $d40b ;Load VCOUNT
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anc #12 ;Illegal opcode
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sta $d40a
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sta $d01a ;Change background color
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jmp loop1
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* = $2e0 ;Set run address
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.word start
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