56 lines
No EOL
611 B
NASM
56 lines
No EOL
611 B
NASM
stk START 0
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JSUB stackinit
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LDA #1
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STA @stkptr
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JSUB stackpush
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LDA #2
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STA @stkptr
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JSUB stackpush
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LDA #3
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STA @stkptr
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JSUB stackpush
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JSUB stackpop
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LDA @stkptr
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STA val3
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JSUB stackpop
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LDA @stkptr
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STA val2
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JSUB stackpop
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LDA @stkptr
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STA val1
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halt J halt
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stackpush STA temp
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LDA stkptr
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ADD #3
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STA stkptr
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LDA temp
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RSUB
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stackpop STA temp
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LDA stkptr
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SUB #3
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STA stkptr
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LDA temp
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RSUB
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stackinit STA temp
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LDA #stack
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STA stkptr
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LDA temp
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RSUB
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stkptr RESW 1
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temp RESW 1
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val1 RESW 1
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val2 RESW 1
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val3 RESW 1
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stack RESW 50
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END stk |