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Rename the 8x8 multiplication using the same scheme as for the 16x16

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multiplication.


git-svn-id: svn://svn.cc65.org/cc65/trunk@4463 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz 2009-11-12 15:48:11 +00:00
parent 80b81549fd
commit 5dc80c2615
2 changed files with 6 additions and 4 deletions
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2
libsrc/runtime/Makefile
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@ -155,7 +155,6 @@ OBJS = add.o \
mod.o \
mul.o \
mul8.o \
mul8x8r16.o \
mulax3.o \
mulax5.o \
mulax6.o \
@ -222,6 +221,7 @@ OBJS = add.o \
udiv32by16r16.o \
umod.o \
umul16x16r32.o \
umul8x8r16.o \
xor.o \
zeropage.o

8
libsrc/runtime/mul8x8r16.s → libsrc/runtime/umul8x8r16.s
View File

@ -4,8 +4,7 @@
; CC65 runtime: 8x8 => 16 multiplication
;
.export umul8x8r16
.export mul8x8r16 := umul8x8r16
.export umul8x8r16, umul8x8r16m
.importzp ptr1, ptr3
@ -18,6 +17,8 @@
;
umul8x8r16:
sta ptr3
umul8x8r16m:
lda #0 ; Clear byte 1
ldy #8 ; Number of bits
lsr ptr1 ; Get first bit of lhs into carry
@ -31,5 +32,6 @@ umul8x8r16:
tax
stx ptr1+1 ; Result in a/x and ptr1
lda ptr1 ; Load the result
rts ; Done
rts ; Done