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Keep x on stack

This commit is contained in:
Devine Lu Linvega 2024-06-04 17:47:02 -08:00
parent 2ea1a1a000
commit ef14a6ad69
1 changed files with 8 additions and 8 deletions
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14
gui/notepad/src/notepad.tal
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@ -249,25 +249,25 @@
,&y2 STR2
,&x2 STR2
STH2
,&x1 STR2
,&x2 LDR2 ,&x1 LDR2 SUB2 abs2 ,&dx STR2
STH2
SWP2r ,&x2 LDR2 OVR2r STH2r SUB2 abs2 ,&dx STR2
#0000 ,&y2 LDR2 STH2kr SUB2 abs2 SUB2 ,&dy STR2
#ffff [ LIT2 00 _&x1 ] LDR2 ,&x2 LDR2 lts2 DUP2 ADD2 ADD2 ,&sx STR2
#ffff #00 OVR2r STH2r ,&x2 LDR2 lts2 DUP2 ADD2 ADD2 ,&sx STR2
#ffff #00 STH2kr ,&y2 LDR2 lts2 DUP2 ADD2 ADD2 ,&sy STR2
[ LIT2 &dx $2 ] [ LIT2 &dy $2 ] ADD2
&>while ( -- )
( draw ) ,&x1 LDR2 STH2kr [ LIT &color $1 ] <set-pixel>
( x ) [ LIT2 &x1 $2 ] [ LIT2 &x2 $2 ] EQU2
( draw ) OVR2r STH2r STH2kr [ LIT &color $1 ] <set-pixel>
( x ) OVR2r STH2r [ LIT2 &x2 $2 ] EQU2
( y ) STH2kr [ LIT2 &y2 $2 ] EQU2 AND ?&end
DUP2k ADD2 DUP2
( y ) ,&dy LDR2 lts2 ?{
( e+dy ) SWP2 ,&dy LDR2 ADD2 SWP2
( x1+sx ) ,&x1 LDR2 [ LIT2 &sx $2 ] ADD2 ,&x1 STR2 }
( x1+sx ) SWP2r [ LIT2r &sx $2 ] ADD2r SWP2r }
( x ) ,&dx LDR2 gts2 ?{
( e+dx ) ,&dx LDR2 ADD2
( y1+sy ) [ LIT2r &sy $2 ] ADD2r }
!&>while
&end POP2 POP2r JMP2r
&end POP2 POP2r POP2r JMP2r
@snap ( x1* x2* -- x* )
SUB2k abs2 #0008 LTH2 ?{ NIP2 JMP2r }