35 lines
455 B
ArmAsm
35 lines
455 B
ArmAsm
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.define Rmu4
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! This subroutine returns the remainder of a fourbyte unsigned
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! division.
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Rmu4:
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ldy #1
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sty UNSIGN ! its unsigned
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jsr Pop
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stx ARTH
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sta ARTH+1
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jsr Pop
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stx ARTH+2
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sta ARTH+3 ! second operand
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jsr Pop
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stx ARTH+4
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sta ARTH+5
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jsr Pop
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stx ARTH+6
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sta ARTH+7 ! first operand
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jsr Duv4
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lsr ARTH+11
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ror ARTH+10
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ror ARTH+9
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ror ARTH+8 ! shift result one time
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lda ARTH+11
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ldx ARTH+10
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jsr Push
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lda ARTH+9
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ldx ARTH+8
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jmp Push
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