Add test code and top level Makefile

2024-03-03 12:52:44 -08:00
parent 0ba5888aa1
commit 42fbc17a2a
14 changed files with 227 additions and 12 deletions
--- a/sw/test_code/loop_test/main.s
+++ b/sw/test_code/loop_test/main.s
@@ -0,0 +1,26 @@
+.export _init, _nmi_int, _irq_int
+
+.segment  "VECTORS"
+
+.addr      _nmi_int    ; NMI vector
+.addr      _init       ; Reset vector
+.addr      _irq_int    ; IRQ/BRK vector
+
+.zeropage
+tmp: .res 1
+
+.code
+
+_nmi_int:
+_irq_int:
+
+_init:
+        lda #$00
+@start:
+        sta tmp
+        cmp tmp
+        bne @end
+        ina
+        bra @start
+
+@end:   bra @end