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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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15
Task/Integer-comparison/6502-Assembly/integer-comparison.6502 Normal file
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Compare PHA ;push Accumulator onto stack
JSR GetUserInput ;routine not implemented
;integers to compare now in memory locations A and B
LDA A
CMP B ;sets flags as if a subtraction (a - b) had been carried out
BCC A_less_than_B ;branch if carry clear
BEQ A_equals_B ;branch if equal
;else A greater than B
JSR DisplayAGreaterThanB;routine not implemented
JMP Done
A_less_than_B: JSR DisplayALessThanB ;routine not implemented
JMP Done
A_equals_B: JSR DisplayAEqualsB ;routine not implemented
Done: PLA ;restore Accumulator from stack
RTS ;return from subroutine