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Split of the lruntime module

git-svn-id: svn://svn.cc65.org/cc65/trunk@427 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2000-11-01 22:03:22 +00:00
parent 8f83a48602
commit 7bb82698d1
6 changed files with 138 additions and 108 deletions

View File

@ -81,6 +81,7 @@ OBJS = add.o \
ldaxsp.o \
ldeax.o \
ldeaxi.o \
ldeaxysp.o \
ldec.o \
ldiv.o \
le.o \
@ -100,7 +101,6 @@ OBJS = add.o \
lpop.o \
lpush.o \
lrsub.o \
lruntime.o \
lsave.o \
lshelp.o \
lshl.o \
@ -143,6 +143,7 @@ OBJS = add.o \
pushc0.o \
pushc1.o \
pushc2.o \
pushlysp.o \
pushw.o \
pushwsp.o \
return0.o \
@ -163,6 +164,7 @@ OBJS = add.o \
staxspidx.o \
staxspp.o \
steaxsp.o \
steaxspp.o \
sub.o \
subeqsp.o \
subysp.o \

28
libsrc/runtime/ldeaxysp.s Normal file
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@ -0,0 +1,28 @@
;
; Ullrich von Bassewitz, 22.06.1998
;
; CC65 runtime: Load a long from somewhere in the stack
;
; Beware: The optimizer knows about the register contents after calling
; this function!
;
.export ldeax0sp, ldeaxysp
.importzp sreg, sp
ldeax0sp:
ldy #3
ldeaxysp:
lda (sp),y
sta sreg+1
dey
lda (sp),y
sta sreg
dey
lda (sp),y
tax
dey
lda (sp),y
rts

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@ -1,107 +0,0 @@
;
; lruntime.s
;
; Ullrich von Bassewitz, 22.06.1998
;
; Runtime support for longs.
.import popax, pusheax
.importzp sp, sreg, tmp1, tmp2, tmp3, ptr1
;
; leax (sp),y
;
.export ldeax0sp, ldeaxysp
ldeax0sp:
ldy #3
ldeaxysp:
lda (sp),y
sta sreg+1
dey
lda (sp),y
sta sreg
dey
lda (sp),y
tax
dey
lda (sp),y
rts
;
; push a long from (sp),y
;
.export pushlysp
pushlysp:
iny
iny
lda (sp),y
iny
sta sreg
lda (sp),y
sta sreg+1
dey
dey
lda (sp),y
dey
tax
lda (sp),y
jmp pusheax
;
; eax --> ((sp)); pop
;
.export steaxspp
steaxspp:
pha
txa
pha
jsr popax ; get address
sta ptr1
stx ptr1+1
ldy #3
lda sreg+1
sta (ptr1),y
dey
lda sreg
sta (ptr1),y
dey
pla
tax
sta (ptr1),y
dey
pla
sta (ptr1),y
rts
;
; eax --> ((sp)),y
;
.export steaxspidx
steaxspidx:
sta tmp1
stx tmp2
sty tmp3
jsr popax ; get the pointer
sta ptr1
stx ptr1+1
ldy tmp3
lda tmp1
sta (ptr1),y
iny
lda tmp2
sta (ptr1),y
iny
tax
lda sreg
sta (ptr1),y
iny
lda sreg+1
sta (ptr1),y
lda tmp1
rts

31
libsrc/runtime/pushlysp.s Normal file
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@ -0,0 +1,31 @@
;
; Ullrich von Bassewitz, 22.06.1998
;
; CC65 runtime: Push a long from somewhere in the stack
;
.export pushlysp
.import pusheax
.importzp sreg, sp
.proc pushlysp
iny
iny
lda (sp),y
iny
sta sreg
lda (sp),y
sta sreg+1
dey
dey
lda (sp),y
dey
tax
lda (sp),y
jmp pusheax
.endproc

39
libsrc/runtime/steaxspi.s Normal file
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@ -0,0 +1,39 @@
;
; Ullrich von Bassewitz, 22.06.1998
;
; CC65 runtime: Store eax at the address on top of stack with index
;
.export steaxspidx
.import popax
.importzp sreg, ptr1, tmp1, tmp2, tmp3
.proc steaxspidx
sta tmp1
stx tmp2
sty tmp3
jsr popax ; get the pointer
sta ptr1
stx ptr1+1
ldy tmp3
lda tmp1
sta (ptr1),y
iny
lda tmp2
sta (ptr1),y
iny
tax
lda sreg
sta (ptr1),y
iny
lda sreg+1
sta (ptr1),y
lda tmp1
rts
.endproc

37
libsrc/runtime/steaxspp.s Normal file
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@ -0,0 +1,37 @@
;
; Ullrich von Bassewitz, 22.06.1998
;
; CC65 runtime: Store eax at the address on top of stack.
;
.export steaxspp
.import popax
.importzp sreg, ptr1
.proc steaxspp
pha
txa
pha
jsr popax ; get address
sta ptr1
stx ptr1+1
ldy #3
lda sreg+1
sta (ptr1),y
dey
lda sreg
sta (ptr1),y
dey
pla
tax
sta (ptr1),y
dey
pla
sta (ptr1),y
rts
.endproc