sb: working on gameplay

games/sb/TODO

@@ -1,5 +1,5 @@
 Title
-+
++ ?
 
 Duck:
 + Implement throwing
@@ -9,18 +9,17 @@ Duck:
 + Exit back to main title
 
 Rat:
-+
++ ?
 
 Strongbadzone:
 + Get audio
-+ Draw Your Head A Splode
-+ Create sprites for ball (24 of them?)
 + Ball movement logic.  Is actually just 2D
 + Check bounds on person
 + Do the color mask (different blacks)
 + Animate side walls
 + Faster hgr copy?
 + Optimize sprite size
++ Allow lowercase keyboard (see duck code)
 
 Cliff:
 + Everything

games/sb/asplode.s

@@ -133,6 +133,9 @@ load_background:
 
 	jsr	full_decomp
 
+	;===================
+	; set up variables
+
 	lda	#16
 	sta	STRONGBAD_X
 	sta	PLAYER_X
@@ -147,6 +150,7 @@ load_background:
 	lda	#0
 	sta	BULLET_X_L
 	sta	BULLET_X_VEL
+	sta	HEAD_DAMAGE
 
 	lda	#20
 	sta	BULLET_X
@@ -218,9 +222,10 @@ no_move_head:
 	; draw head
 	;===========================
 
-	lda	#<big_head0_sprite
+	ldx	HEAD_DAMAGE
+	lda	head_sprites_l,X
 	sta	INL
-	lda	#>big_head0_sprite
+	lda	head_sprites_h,X
 	sta	INH
 	lda	STRONGBAD_X
 	sta	SPRITE_X
@@ -431,6 +436,14 @@ shield_sprites_h:
 	.byte >shield_center_sprite,>shield_right_sprite
 
 
+head_sprites_l:
+	.byte <big_head0_sprite,<big_head1_sprite,<big_head2_sprite
+	.byte <big_head3_sprite,<big_head4_sprite
+
+head_sprites_h:
+	.byte >big_head0_sprite,>big_head1_sprite,>big_head2_sprite
+	.byte >big_head3_sprite,>big_head4_sprite
+
 y_positions:
 ; 90 to 160 roughly?  Let's say 64?
 ; have 16 positions?  4 each?

games/sb/hello.bas

@@ -1,2 +0,0 @@
-   5  HOME
- 105  PRINT  CHR$ (4)"CATALOG"

games/sb/zp.inc

@@ -75,6 +75,7 @@ BULLET_X	= $70
 BULLET_X_L	= $71
 BULLET_X_VEL	= $72
 BULLET_Y	= $73
+HEAD_DAMAGE	= $74
 
 .if 0
 REGISTER_DUMP	= $70