Self modifying code to save 2 bytes

2024-10-21 16:23:30 +00:00 · 2024-10-21 16:23:30 +00:00 · a3adb86add
commit a3adb86add
parent c2b615098e
1 changed files with 3 additions and 4 deletions
--- a/xylo.asm
+++ b/xylo.asm
@ -1,5 +1,7 @@
 org 51000

+counter EQU inc_counter + 1
+
 zero_counter:
 	xor a

@ -51,13 +53,10 @@ key_5:
 	call play

 inc_counter:
-	ld a, (counter)
+	ld a, 0		;This value will be modified by the running code
 	add a, 5
 	cp 25
 	jr nz, set_counter
 	jr zero_counter

-counter:
-	defb 0
-
 INCLUDE "sample.asm"