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(snake) Faster tail drawing

This commit is contained in:
Devine Lu Linvega 2024-03-24 10:36:25 -07:00
parent c9b691448b
commit 220983d694
1 changed files with 4 additions and 4 deletions
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8
projects/examples/demos/snake.tal
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@ -110,12 +110,12 @@
STH
( | draw tail )
;snake-icns .Screen/addr DEO2
.snake/length LDZ #00
.snake/tail .snake/length LDZ DUP ADD OVR ADD SWP
&>loop ( -- )
DUPk ADD .snake/tail ADD LDZ #0005 SFT2 .Screen/x DEO2
DUPk ADD .snake/tail ADD INC LDZ #0005 SFT2 .Screen/y DEO2
LDZk #0005 SFT2 .Screen/x DEO2
INCk LDZ #0005 SFT2 .Screen/y DEO2
STHkr .Screen/sprite DEO
INC GTHk ?&>loop
INC INC GTHk ?&>loop
POP2
( | draw head )
.snake/x LDZ #0005 SFT2 .Screen/x DEO2