ref: 4778276f33c59bb0bc56cb381d4fe1dc8da1f9b8
parent: e7318ed4bc38baebce0f26048b166c76d13c1838
author: yenatch <yenatch@gmail.com>
date: Sun Sep 8 19:53:04 EDT 2013
split serial handshake into common/handshake.asm
--- /dev/null
+++ b/common/handshake.asm
@@ -1,0 +1,38 @@
+AskSerial: ; 2063
+; send out a handshake while serial int is off
+ ld a, [$c2d4]
+ bit 0, a
+ ret z
+
+ ld a, [$c2d5]
+ and a
+ ret nz
+
+; once every 6 frames
+ ld hl, $ca8a
+ inc [hl]
+ ld a, [hl]
+ cp 6
+ ret c
+
+ xor a
+ ld [hl], a
+
+ ld a, $c
+ ld [$c2d5], a
+
+; handshake
+ ld a, $88
+ ld [rSB], a
+
+; switch to internal clock
+ ld a, %00000001
+ ld [rSC], a
+
+; start transfer
+ ld a, %10000001
+ ld [rSC], a
+
+ ret
+; 208a
+
--- a/main.asm
+++ b/main.asm
@@ -475,45 +475,7 @@
INCLUDE "common/menu.asm"
-
-AskSerial: ; 2063
-; send out a handshake while serial int is off
- ld a, [$c2d4]
- bit 0, a
- ret z
-
- ld a, [$c2d5]
- and a
- ret nz
-
-; once every 6 frames
- ld hl, $ca8a
- inc [hl]
- ld a, [hl]
- cp 6
- ret c
-
- xor a
- ld [hl], a
-
- ld a, $c
- ld [$c2d5], a
-
-; handshake
- ld a, $88
- ld [rSB], a
-
-; switch to internal clock
- ld a, %00000001
- ld [rSC], a
-
-; start transfer
- ld a, %10000001
- ld [rSC], a
-
- ret
-; 208a
-
+INCLUDE "common/handshake.asm"
INCLUDE "common/game_time.asm"
--
⑨