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Let the optimizer optimize the multiplication routine

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Karol Stasiak
2018-07-01 19:07:47 +02:00
parent 86b12bd5f9
commit 2b6315f15b
1 changed files with 6 additions and 6 deletions
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12
include/zp_reg.mfk
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@@ -3,13 +3,13 @@ inline asm byte __mul_u8u8u8() {
? LDA #0 ? LDA #0
? JMP __mul_u8u8u8_start ? JMP __mul_u8u8u8_start
__mul_u8u8u8_add: __mul_u8u8u8_add:
CLC ? CLC
ADC __reg.lo ? ADC __reg.lo
__mul_u8u8u8_loop: __mul_u8u8u8_loop:
ASL __reg.lo ? ASL __reg.lo
__mul_u8u8u8_start: __mul_u8u8u8_start:
LSR __reg.hi ? LSR __reg.hi
BCS __mul_u8u8u8_add ? BCS __mul_u8u8u8_add
BNE __mul_u8u8u8_loop ? BNE __mul_u8u8u8_loop
? RTS ? RTS
} }