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35 lines
798 B
ArmAsm
35 lines
798 B
ArmAsm
;
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; Ullrich von Bassewitz, 27.09.1998
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; Christian Krueger, 11-Mar-2017, added 65SC02 optimization
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;
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; CC65 runtime: modulo operation for long unsigned ints
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;
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.export tosumod0ax, tosumodeax
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.import getlop, udiv32
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.importzp sreg, tmp3, tmp4, ptr2
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.macpack cpu
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tosumod0ax:
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.if (.cpu .bitand ::CPU_ISET_65SC02)
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stz sreg
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stz sreg+1
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.else
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ldy #$00
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sty sreg
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sty sreg+1
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.endif
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tosumodeax:
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jsr getlop ; Get the paramameters
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jsr udiv32 ; Do the division
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lda tmp3 ; Remainder is in ptr2:tmp3:tmp4
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sta sreg
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lda tmp4
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sta sreg+1
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lda ptr2
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ldx ptr2+1
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rts
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