42 lines
639 B
NASM
42 lines
639 B
NASM
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; Constants
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PROGRAM_SIZE = (32 * 1024)
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INSTRUCTION_SIZE = 3
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main_jump = (PROGRAM_SIZE - INSTRUCTION_SIZE - INSTRUCTION_SIZE)
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; Base organisation / offset
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.org 0x0000
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; Static data
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push main_jump
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jmp ; Skip data section as following data is not program code
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data:
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; Message data
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msg:
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MSG_SIZE = 12 ; Define size of message
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.bw "Hello World!", 0, MSG_SIZE ; Embed byte words in binary
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; Main label
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main:
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push msg
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loop:
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dup
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load
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emit
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inc
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dup
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push (msg + MSG_SIZE)
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neq
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push loop
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jif
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push "\n"
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emit
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stp
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; Jump to main label
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.org main_jump
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push main
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jmp
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