Add strlen to the standard library

2023-11-05 10:33:57 -06:00 · 2023-11-05 10:33:57 -06:00 · 75754cfb7f
commit 75754cfb7f
parent eee79bfcc6
1 changed files with 11 additions and 0 deletions
--- a/libs/strings.z80
+++ b/libs/strings.z80
@ -0,0 +1,11 @@
+; Get the length of the string pointed to by HL in BC
+.global strlen
+strlen:
+ld bc, 0
+strlen_loop:
+ld a, (hl)
+cp 0
+ret z
+inc bc
+inc hl
+jp strlen_loop