mirror of
https://github.com/pnx/m16vm
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33 lines
729 B
ActionScript
33 lines
729 B
ActionScript
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; -- Store "Hello World" string in memory.
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movl $1, 72 ; H
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sw $0, $1, 0
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movl $1, 69 ; E
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sw $0, $1, 1
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movl $1, 76 ; L
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sw $0, $1, 2
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sw $0, $1, 3
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movl $1, 79 ; O
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sw $0, $1, 4
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movl $1, 32 ; Space
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sw $0, $1, 5
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movl $1, 87 ; W
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sw $0, $1, 6
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movl $1, 79 ; O
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sw $0, $1, 7
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movl $1, 82 ; R
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sw $0, $1, 8
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movl $1, 76 ; L
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sw $0, $1, 9
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movl $1, 68 ; D
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sw $0, $1, 10
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; -- setup print loop.
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movl $1, 1 ; Load 1 in R1 (used for increment the counter)
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_start:
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ld $15, $0, 0 ; Load memory address stored in R0 into R15
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int $10, 2 ; Print character
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add $0, $0, $1 ; Add 1 (R1) to counter (R0)
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beq $15, $2, 1 ; Branch to "noop" (skipping next instruction) if R15 = 0 (R2 holds 0)
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jmp _start ; jump back to "_start" label
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noop
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