From 6d5921d1f090b267d0a6e9a52f8556cbf643323c Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@deater.net>
Date: Thu, 15 Jun 2023 00:18:22 -0400
Subject: [PATCH] sb: hook up back off

---
 games/sb/Makefile  |  1 +
 games/sb/asplode.s | 10 ++++++++--
 games/sb/qload.s   | 10 +++++-----
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/games/sb/Makefile b/games/sb/Makefile
index 78786420..1ca18155 100644
--- a/games/sb/Makefile
+++ b/games/sb/Makefile
@@ -25,6 +25,7 @@ sb.dsk:	QBOOT QLOAD TITLE DUCK_POND ROOF ASPLODE BACK_OFF TARGET CLIFF RAT
 	$(DOS33_RAW) sb.dsk  20 0 TARGET     0   0
 	$(DOS33_RAW) sb.dsk  25 0 CLIFF      0   0
 	$(DOS33_RAW) sb.dsk  30 0 RAT        0   0
+	$(DOS33_RAW) sb.dsk  32 0 BACK_OFF   0   0
 
 ####
 
diff --git a/games/sb/asplode.s b/games/sb/asplode.s
index e144d813..2c7b1b83 100644
--- a/games/sb/asplode.s
+++ b/games/sb/asplode.s
@@ -629,8 +629,8 @@ check_keypress:
 	cmp	#'D'		; shield right
 	beq	shield_right
 
-;	cmp	#'X'
-;	beq	asplode_asplode
+	cmp	#'O'
+	beq	back_off
 
 	cmp	#8		; left
 	beq	move_left
@@ -684,12 +684,18 @@ asplode_asplode:
 
 	jmp	reset_loop
 
+
+back_off:
+	lda	#7
+	bne	really_done_game	; bra
+
 	;==========================
 	; done game
 	;==========================
 
 done_game:
 	lda	#0
+really_done_game:
 	sta	WHICH_LOAD
 	rts
 
diff --git a/games/sb/qload.s b/games/sb/qload.s
index a525c6ae..b92ef135 100644
--- a/games/sb/qload.s
+++ b/games/sb/qload.s
@@ -167,26 +167,26 @@ error_string:
 
 which_disk_array:
 	.byte 1,1,1,1		; TITLE,  DUCK,  ROOF, ASPLODE
-	.byte 1,1,1		; TARGET, CLIFF, RAT
+	.byte 1,1,1,1		; TARGET, CLIFF, RAT, BACK_OFF
 
 load_address_array:
         .byte $60,$60,$60,$40	; TITLE,  DUCK,  ROOF, ASPLODE
-	.byte $60,$60,$60	; TARGET, CLIFF, RAT
+	.byte $60,$60,$60,$60	; TARGET, CLIFF, RAT, BACK_OFF
 
 
 track_array:
         .byte  2, 5,10,15	; TITLE,  DUCK,  ROOF, ASPLODE
-	.byte 20,25,30		; TARGET, CLIFF, RAT
+	.byte 20,25,30,32	; TARGET, CLIFF, RAT, BACK_OFF
 
 
 sector_array:
         .byte  0, 0, 0, 0	; TITLE,  DUCK,  ROOF, ASPLODE
-	.byte  0, 0, 0		; TARGET, CLIFF, RAT
+	.byte  0, 0, 0, 0	; TARGET, CLIFF, RAT, BACK_OFF
 
 
 length_array:
         .byte  40, 16, 16, 70	; TITLE,  DUCK,  ROOF, ASPLODE
-	.byte  32, 32, 32	; TARGET, CLIFF, RAT
+	.byte  32, 32, 32, 45	; TARGET, CLIFF, RAT, BACK_OFF
 
 
 qload_end: