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4f19769784
SmartyKit 1 ROM assembler (asm) source and make file for cc65. Easy-to-use development tool to write your own software for SmartyKLit 1 (you need just run make in your Terminal) and learn how ROM is organized.
14 lines
390 B
NASM
14 lines
390 B
NASM
;printing 'Hello, World!'
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;More about 'Hello, World!' program: https://en.wikipedia.org/wiki/%22Hello,_World!%22_program
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LDX #00
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PRINT_CHAR:
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LDA HelloWorldText, X
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BEQ END_PRINT ;end printing at the end of the string (\n=0)
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JSR ECHO
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INX
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JMP PRINT_CHAR
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END_PRINT:
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JMP RESET ;return to Woz Monitor
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HelloWorldText:
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.byte $0d, "Hello, World!", $0d, "This is SmartyKit 1.", $0d, $0d, $00 |