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(life.tal)Faster drawing routine

This commit is contained in:
Devine Lu Linvega 2024-03-02 20:57:25 -08:00
parent a5e25d905a
commit 28da4f5dfc
1 changed files with 15 additions and 16 deletions
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31
projects/examples/demos/life.tal
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@ -104,12 +104,12 @@
JMP2r
@get-index ( x y -- index* )
( y ) #3f AND #00 SWP #60 SFT2
( x ) ROT #3f AND #00 SWP ADD2 ;bank1 ADD2 JMP2r
( y ) #3f AND #00 SWP #60 SFT2 ROT
( x ) #3f AND #00 SWP ADD2 ;bank1 ADD2 JMP2r
@<set-cell> ( x y -- )
STH2
#01 STH2r get-index STA
get-index STH2
#01 STH2r STA
JMP2r
@get-neighbours ( x y -- neighbours )
@ -139,24 +139,23 @@
@|drawing )
@<redraw> ( -- )
( | draw count )
.anchor/x LDZ2 .Screen/x DEO2
.anchor/y2 LDZ2 #0008 ADD2 .Screen/y DEO2
[ LIT2 01 -Screen/auto ] DEO
.world/count LDZ2 <draw-short>
( | draw grid )
[ LIT2 01 -Screen/auto ] DEO
#4000
&ver ( -- )
#00 OVRk ADD2 .anchor/y LDZ2 ADD2 .Screen/y DEO2
.anchor/x LDZ2 .Screen/x DEO2
DUP ,&y STR
#4000
&hor ( -- )
DUP [ LIT &y $1 ] get-index LDA INC .Screen/pixel DEO
.anchor/y LDZ2 .Screen/y DEO2
;bank2 ;bank1
&l ( -- )
DUP #3f AND ?{
.Screen/y DEI2k INC2 INC2 ROT DEO2
.anchor/x LDZ2 .Screen/x DEO2 }
LDAk INC .Screen/pixel DEO
[ LIT2 00 -Screen/pixel ] DEO
INC GTHk ?&hor
POP2 INC GTHk ?&ver
POP2 JMP2r
INC2 GTH2k ?&l
POP2 POP2 JMP2r
@<draw-short> ( short* -- )
SWP <draw-byte>
@ -212,7 +211,7 @@
(
@|memory )
@bank1 $1000
|8000 @bank1 $1000
@bank2 $1000