增加蛇头初始化

2026-06-08 20:10:36 +08:00 · 2021-04-13 08:58:52 +08:00
parent c88c38564a
commit 252484f1b4
1 changed files with 4 additions and 0 deletions
--- a/main.asm
+++ b/main.asm
@@ -48,6 +48,10 @@ main:
 	jsr printscore	; 打印分数
 	lda #csnk
 	sta field + 11*40 + 19	; 初始化蛇位置
+	lda #<[field + 11*40 + 19]
+	ldx #>[field + 11*40 + 19]
+	sta shead
+	stx shead+1
 	lda #1
 	sta c			; 初始化蛇长为1
 	jsr printfield	; 打印蛇，包括边框