bslathi19/cc65
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Use decsp instead of subysp

Browse Source 
git-svn-id: svn://svn.cc65.org/cc65/trunk@663 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
2001-03-24 15:59:54 +00:00
parent 0bac28d96f
commit e93f1574f4
2 changed files with 19 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
libsrc/common/fprintf.s
View File

@@ -5,7 +5,7 @@
; ;
.export _fprintf .export _fprintf
.import pushax, addysp, subysp, _vfprintf .import pushax, addysp, decsp4, _vfprintf
.importzp sp, ptr1 .importzp sp, ptr1
.macpack generic .macpack generic
@@ -28,36 +28,35 @@ _fprintf:
; We have to push f and format, both in the order they already have on stack. ; We have to push f and format, both in the order they already have on stack.
; To make this somewhat more efficient, we will create space on the stack and ; To make this somewhat more efficient, we will create space on the stack and
; the do a copy of the complete block instead of pushing each parameter ; then do a copy of the complete block instead of pushing each parameter
; separately. Since the size of the arguments passed is the same as the size ; separately. Since the size of the arguments passed is the same as the size
; of the fixed arguments, this will allow us to calculate the pointer to the ; of the fixed arguments, this will allow us to calculate the pointer to the
; fixed size arguments easier (they're just ParamSize bytes away). ; fixed size arguments easier (they're just ParamSize bytes away).
ldy #4 jsr decsp4
jsr subysp
; Calculate a pointer to the Format argument ; Calculate a pointer to the Format argument
lda ParamSize lda ParamSize
add sp add sp
sta ptr1 sta ptr1
ldx sp+1 ldx sp+1
bcc @L1 bcc @L1
inx inx
@L1: stx ptr1+1 @L1: stx ptr1+1
; Now copy both, f and format ; Now copy both, f and format
ldy #4-1 ldy #4-1
@L2: lda (ptr1),y @L2: lda (ptr1),y
sta (sp),y sta (sp),y
dey dey
bpl @L2 bpl @L2
; Load va_list (last and __fastcall__ parameter to vfprintf) ; Load va_list (last and __fastcall__ parameter to vfprintf)
lda ptr1 lda ptr1
ldx ptr1+1 ldx ptr1+1
; Call vfprintf ; Call vfprintf

5
libsrc/common/sprintf.s
View File

@@ -5,7 +5,7 @@
; ;
.export _sprintf .export _sprintf
.import pushax, addysp, subysp, _vsprintf .import pushax, addysp, decsp4, _vsprintf
.importzp sp, ptr1 .importzp sp, ptr1
.macpack generic .macpack generic
@@ -33,8 +33,7 @@ _sprintf:
; of the fixed arguments, this will allow us to calculate the pointer to the ; of the fixed arguments, this will allow us to calculate the pointer to the
; fixed size arguments easier (they're just ParamSize bytes away). ; fixed size arguments easier (they're just ParamSize bytes away).
ldy #4 jsr decsp4
jsr subysp
; Calculate a pointer to the Format argument ; Calculate a pointer to the Format argument