ref: 9ea77b0ad8758f100a6577cd43910b2a08776575
parent: d3ecd6d10c61775e2ad384d37f0bca45c4b0c6fa
parent: be7f9c18526cd14df0f2d7d4533c4261575dc399
author: Bryan Bishop <[email protected]>
date: Mon May 14 09:26:57 EDT 2012
Merge pull request #5 from Zhorken/master Byte fill function
--- a/main.asm
+++ b/main.asm
@@ -1,6 +1,20 @@
SECTION "bank0",HOME
-INCBIN "baserom.gbc",$0,$304d
+INCBIN "baserom.gbc",$0,$3041
+
+ByteFill: ; 0x3041
+; fill BC bytes with the value of A, starting at HL
+ inc b ; we bail *when* b hits 0, so include the last run
+ inc c ; same thing; include last byte
+ jr .HandleLoop
+.PutByte
+ ld [hli], a
+.HandleLoop
+ dec c
+ jr nz, .PutByte
+ dec b
+ jr nz, .PutByte
+ ret
GetFarByte: ; 0x304d
; retrieve a single byte from a:hl, and return it in a.