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扩展data段，完成食物生成

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fumiama
2021-04-04 23:05:36 +08:00
parent 743e7c939d
commit 16b49bd98d
8 changed files with 104 additions and 17 deletions
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head.asm
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@@ -17,10 +17,11 @@
.space d 1 ; 方向 值定义如上
.space c 1 ; 🐍长度 最大255 最小0
.space s 2 ; 得分 小端序
.space _ptr 2 ; 通用指针
.alias title $0400
.alias field $0428 ; 蛇所在屏幕内存区
.data
.org $0400
.space title 40
.space field 960 ; 蛇所在屏幕内存区
.org $c000
.text