Add irq code tb

2023-11-18 13:55:29 -08:00
parent 27a0fe5e69
commit dea6227958
9 changed files with 186 additions and 8 deletions
--- a/sw/test_code/irq_test/main.s
+++ b/sw/test_code/irq_test/main.s
@@ -0,0 +1,23 @@
+.export _init, _nmi_int, _irq_int
+
+CMD = $effc
+DAT = $effd
+
+.code
+
+_nmi_int:
+_irq_int:
+    lda #$6d
+    sta $00
+
+_init:
+    lda #$20
+    sta CMD
+    lda #$ff
+    sta DAT
+    lda #$40
+    sta CMD
+    lda #$ff
+    sta DAT
+    cli
+@end:   bra @end