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27 lines
516 B
Plaintext
27 lines
516 B
Plaintext
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; source code for a tinyvm program; memory mapped I/O
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%block b1
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%vardefs
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const byte chr_i 105
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const byte chr_r 114
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const byte chr_m 109
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const byte chr_e 101
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const byte chr_n 110
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const byte chr_EOL 10
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const word chrout 53248
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const word chrin 53249
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%end_vardefs
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%instructions
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loop:
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push chrin
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syscall memread_byte
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push chrout
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swap
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syscall memwrite_byte
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push chrout
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push chr_EOL
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syscall memwrite_byte
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syscall delay
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jump loop
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%end_instructions
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%end_block ;b1
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