Update sample vblank code

2019-10-02 19:09:51 +01:00 · 2019-10-02 19:09:51 +01:00 · e451ca23f7
commit e451ca23f7
parent b94d91434f
1 changed files with 9 additions and 1 deletions
--- a/samplesplash_vblank.s
+++ b/samplesplash_vblank.s
@ -1,2 +1,10 @@
+
 vblank:
-    ret
+    pusha
+    add word [SS:0xFE00], 0x111
+    mov AL, byte [SS:0x7002]
+    out 0x15, AL
+    inc byte [SS:0x7001]
+    inc byte [SS:0x7002]
+    POPA
+    RETF