From 3ac5dd4ba0f9f62757d7dc7c51fe66b3a531059a Mon Sep 17 00:00:00 2001
From: Vince Weaver <vincent.weaver@maine.edu>
Date: Mon, 14 Jan 2019 12:44:26 -0500
Subject: [PATCH] ootw: can walk to the left

---
 ootw/Makefile             |   2 +-
 ootw/another.png          | Bin 7156 -> 7406 bytes
 ootw/ootw.s               |  90 +++++++++++++++++++++------------
 ootw/ootw_backgrounds.inc |  75 ++++++++++++++-------------
 ootw/ootw_sprites.inc     | 103 ++++++++++++++++++++++++++++++++++++++
 ootw/wait_keypress.s      |   5 --
 ootw/zp.inc               |   5 +-
 7 files changed, 203 insertions(+), 77 deletions(-)
 delete mode 100644 ootw/wait_keypress.s

diff --git a/ootw/Makefile b/ootw/Makefile
index 5aad3bc2..59bac6f1 100644
--- a/ootw/Makefile
+++ b/ootw/Makefile
@@ -15,7 +15,7 @@ ootw.dsk:	HELLO OOTW
 OOTW:	ootw.o
 	ld65 -o OOTW ootw.o -C ../linker_scripts/apple2_1000.inc
 
-ootw.o:	ootw.s wait_keypress.s \
+ootw.o:	ootw.s \
 	gr_copy.s gr_fast_clear.s gr_pageflip.s gr_unrle.s gr_putsprite.s \
 	ootw_backgrounds.inc ootw_sprites.inc
 	ca65 -o ootw.o ootw.s -l ootw.lst
diff --git a/ootw/another.png b/ootw/another.png
index 0df621ed11e38609b6ec067bfffc8c3fd88251c5..7cbc453a489fd87fabc6f9aab82b269cd5121927 100644
GIT binary patch
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diff --git a/ootw/ootw.s b/ootw/ootw.s
index fbd30243..092ece19 100644
--- a/ootw/ootw.s
+++ b/ootw/ootw.s
@@ -57,13 +57,16 @@ title_screen:
 	;=================================
 	; setup vars
 	lda	#22
-	sta	ADV_Y
+	sta	PHYSICIST_Y
 	lda	#20
-	sta	ADV_X
+	sta	PHYSICIST_X
 
 	lda	#1
 	sta	DIRECTION
 
+	lda	#0
+	sta	GAIT
+
 game_loop:
 
 	; check keyboard
@@ -74,33 +77,9 @@ game_loop:
 
 	jsr	gr_copy_to_current
 
-	; draw adventurer
-
-	lda	DIRECTION
-	beq	stand_left
-
-stand_right:
-	lda	#>adv_stand_right
-	sta	INH
-	lda	#<adv_stand_right
-	sta	INL
-	jmp	done_walking
-
-stand_left:
-	lda	#>adv_stand_left
-	sta	INH
-	lda	#<adv_stand_left
-	sta	INL
-
-done_walking:
-
-        lda     ADV_X
-        sta     XPOS
-        lda     ADV_Y
-        sta     YPOS
-
-        jsr     put_sprite
+	; draw physicist
 
+	jsr	draw_physicist
 
 
 	; draw bad guys
@@ -152,12 +131,16 @@ left:
 	lda	DIRECTION
 	bne	face_left
 
-	dec	ADV_X
+	dec	PHYSICIST_X
+	inc	GAIT
+	inc	GAIT
+
 	jmp	done_keypress
 
 face_left:
 	lda	#0
 	sta	DIRECTION
+	sta	GAIT
 	jmp	done_keypress
 
 check_right:
@@ -169,10 +152,14 @@ right:
 	lda	DIRECTION
 	beq	face_right
 
-	inc	ADV_X
+	inc	PHYSICIST_X
+	inc	GAIT
+	inc	GAIT
 	jmp	done_keypress
 
 face_right:
+	lda	#0
+	sta	GAIT
 	lda	#1
 	sta	DIRECTION
 	jmp	done_keypress
@@ -187,7 +174,48 @@ no_keypress:
 
 
 
-;.include "wait_keypress.s"
+;======================================
+; draw physicist
+;======================================
+
+draw_physicist:
+
+	lda	GAIT
+	and	#$f
+	sta	GAIT
+	tax
+
+	lda	DIRECTION
+	beq	facing_left
+
+facing_right:
+
+	lda	adv_walk_right_progression,X
+	sta	INL
+
+	lda	adv_walk_right_progression+1,X
+	sta	INH
+	jmp	draw_him
+
+facing_left:
+	lda	adv_walk_left_progression,X
+	sta	INL
+	lda	adv_walk_left_progression+1,X
+	sta	INH
+
+draw_him:
+
+        lda     PHYSICIST_X
+        sta     XPOS
+        lda     PHYSICIST_Y
+        sta     YPOS
+
+        jsr     put_sprite	; make this a "jmp"?
+
+	rts
+
+
+
 .include "gr_pageflip.s"
 .include "gr_unrle.s"
 .include "gr_fast_clear.s"
diff --git a/ootw/ootw_backgrounds.inc b/ootw/ootw_backgrounds.inc
index b3aece9c..ee82b1bf 100644
--- a/ootw/ootw_backgrounds.inc
+++ b/ootw/ootw_backgrounds.inc
@@ -6,42 +6,41 @@ planet_rle:	.byte $28 ; ysize=48
 	.byte $A4,$66, $77, $A4,$66, $67, $7F, $A0,$13,$66, $76
 	.byte $A4,$66, $22, $28, $22,$22, $99, $A5,$66, $67
 	.byte $A3,$66, $76, $77, $A0,$15,$66, $76, $66,$66, $A4,$22
-	.byte $89, $26, $A8,$66, $7F, $66, $76, $A0,$11,$66
-	.byte $16, $00, $06, $66,$66, $67, $22, $88
-	.byte $22,$22, $88, $22, $99, $A5,$66, $67,$67, $66,$66
-	.byte $22, $89, $96, $66, $76, $AD,$66, $A4,$00
-	.byte $66,$66, $22,$22, $28, $88, $89, $22,$22, $A9,$66
-	.byte $22, $88,$88, $A3,$66, $67, $66, $67, $66
-	.byte $67, $66,$66, $76, $66, $76, $A3,$66, $00
-	.byte $60,$60, $06, $66, $22,$22, $82, $22, $82
-	.byte $28, $22, $A9,$66, $82, $88,$88, $66, $87
-	.byte $A6,$66, $55, $96, $A4,$66, $67, $28, $A5,$88
-	.byte $22,$22, $28, $22, $28, $82, $22, $76
-	.byte $66, $76, $66,$66, $96, $A3,$66, $A3,$88, $66
-	.byte $88, $A5,$66, $86, $55, $59, $A5,$66, $62
-	.byte $A5,$28, $A5,$22, $88, $22, $82,$82, $66,$66, $67
-	.byte $55, $66, $67, $26, $88,$88, $29, $66
-	.byte $88, $66, $76, $66, $76, $66, $65
-	.byte $55, $95, $76, $A5,$66, $88,$88, $82, $22
-	.byte $88, $22, $88, $A7,$22, $A3,$66, $55, $66,$66
-	.byte $22, $88,$88, $22, $66, $88, $A5,$66, $58
-	.byte $55,$55, $66,$66, $67, $66,$66, $22, $A3,$88, $22
-	.byte $88, $22,$22, $28, $82, $A3,$22, $88, $82
-	.byte $28, $86, $A3,$55, $56, $52, $28, $88
-	.byte $22, $56, $88, $A4,$56, $A3,$55, $85, $55,$55
-	.byte $56, $26, $A3,$82, $88, $22, $88,$88, $A3,$22
-	.byte $88, $A3,$22, $28, $22,$22, $28,$28, $55,$55, $22
-	.byte $25, $22, $88, $82, $85, $88, $A6,$55
-	.byte $85, $88, $55,$55, $25, $82, $A4,$88, $82,$82
-	.byte $88, $A3,$22, $28, $A8,$22, $25, $A4,$82, $A5,$88
-	.byte $A5,$85, $88,$88, $85,$85, $82, $A8,$88, $A4,$22, $52
-	.byte $82, $55, $85, $AA,$25, $28, $A5,$25, $28
-	.byte $A8,$25, $85, $55,$55, $A4,$85, $22, $55, $88
-	.byte $55,$55, $85, $28, $A0,$1B,$22, $28, $85, $55
-	.byte $A3,$88, $A3,$55, $25, $58, $A7,$52, $72, $A3,$52
-	.byte $22, $52,$52, $72, $A8,$52, $22, $A6,$52, $72
-	.byte $55, $52, $55, $58, $A3,$82, $88, $82,$82
-	.byte $A3,$88, $A7,$82, $88, $A3,$82, $88, $A7,$82, $88
-	.byte $A4,$82, $88, $A6,$82, $A0,$28,$88, $AA,$28, $A4,$22, $A0,$1A,$28
-	.byte $A0,$A0,$00
+	.byte $89, $26, $A8,$66, $7F, $A0,$13,$66, $16, $00
+	.byte $06, $66,$66, $67, $22, $89, $22,$22, $88
+	.byte $22, $99, $A5,$66, $67,$67, $66,$66, $89,$89, $56
+	.byte $66, $76, $AD,$66, $A4,$00, $66,$66, $22,$22, $28
+	.byte $88, $89, $22,$22, $A9,$66, $88,$88, $55, $A3,$66
+	.byte $67, $66, $67, $66, $67, $66,$66, $76
+	.byte $66, $76, $A3,$66, $00, $60,$60, $06, $66
+	.byte $22,$22, $82, $22, $82, $28, $22, $A9,$66
+	.byte $88,$88, $55, $66, $89, $A6,$66, $55, $95
+	.byte $A4,$66, $67, $28, $A6,$88, $22, $A3,$28, $82
+	.byte $22, $76, $66, $76, $66,$66, $96, $A3,$66
+	.byte $88,$88, $55, $66, $88, $A5,$66, $A3,$55, $A5,$66
+	.byte $62, $A5,$28, $88, $A4,$22, $88, $22, $82
+	.byte $A3,$66, $67, $55, $66, $67, $26, $88,$88
+	.byte $85, $66, $88, $66, $76, $86, $76
+	.byte $66, $68, $55, $95, $76, $A5,$66, $88,$88
+	.byte $82, $22, $88,$88, $22, $82, $22,$22, $88
+	.byte $A3,$22, $A3,$66, $55, $26,$26, $22, $A3,$88, $22
+	.byte $88, $66,$66, $88, $26,$26, $A3,$55, $26,$26, $27
+	.byte $66,$66, $22, $A3,$88, $22, $88,$88, $22, $28
+	.byte $82, $22, $28, $22, $88, $82, $28
+	.byte $82, $A3,$55, $52,$52, $A3,$88, $52, $88, $52,$52
+	.byte $58, $52, $A3,$55, $88, $55,$55, $52, $26
+	.byte $A3,$82, $88, $22, $A3,$88, $22,$22, $88, $A3,$22
+	.byte $88, $22,$22, $88,$88, $55,$55, $82, $A4,$88, $85
+	.byte $88, $A6,$55, $85, $88, $A3,$55, $22, $A4,$88
+	.byte $82,$82, $88, $A3,$22, $28, $A6,$22, $28,$28, $25
+	.byte $A9,$88, $A5,$85, $88,$88, $85,$85, $8A, $82, $A7,$88
+	.byte $A4,$22, $52, $82, $55, $85, $AA,$25, $28
+	.byte $A5,$25, $28, $A8,$25, $85, $55,$55, $A4,$85, $22
+	.byte $55, $88, $55,$55, $85, $28, $A0,$1B,$22, $28
+	.byte $85, $55, $78, $88,$88, $A3,$55, $25, $58
+	.byte $A7,$52, $72, $A3,$52, $22, $52,$52, $72, $A8,$52
+	.byte $22, $A6,$52, $72, $58, $55,$55, $58, $A3,$82
+	.byte $88, $82,$82, $A3,$88, $A7,$82, $88, $A3,$82, $88
+	.byte $A7,$82, $88, $A4,$82, $88, $A6,$82, $A0,$28,$88, $AA,$28
+	.byte $A4,$22, $A0,$1A,$28, $A0,$A0,$00
 	.byte $A1
diff --git a/ootw/ootw_sprites.inc b/ootw/ootw_sprites.inc
index b9f5f09e..7f4f3403 100644
--- a/ootw/ootw_sprites.inc
+++ b/ootw/ootw_sprites.inc
@@ -1,3 +1,24 @@
+adv_walk_left_progression:
+	.word	adv_stand_left
+	.word	adv_walk_left1
+	.word	adv_walk_left2
+	.word	adv_walk_left3
+	.word	adv_walk_left4
+	.word	adv_walk_left5
+	.word	adv_walk_left6
+	.word	adv_walk_left7
+
+adv_walk_right_progression:
+	.word	adv_stand_right
+	.word	adv_walk_left1
+	.word	adv_walk_left2
+	.word	adv_walk_left3
+	.word	adv_walk_left4
+	.word	adv_walk_left5
+	.word	adv_walk_left6
+	.word	adv_walk_left7
+
+
 adv_stand_right:
 	.byte $4,$8
 	.byte $aa,$9a,$9a,$aa
@@ -20,6 +41,88 @@ adv_stand_left:
 	.byte $aa,$aa,$44,$aa
 	.byte $aa,$fa,$f4,$aa
 
+adv_walk_left1:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $aa,$ba,$0b,$aa
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$cc,$44,$aa
+	.byte $aa,$fa,$f4,$a5
+
+adv_walk_left2:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $ba,$ab,$00,$ba
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$cc,$44,$4a
+	.byte $aa,$a5,$fc,$f4
+
+adv_walk_left3:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $ba,$ab,$00,$ba
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$cc,$a4,$4a
+	.byte $5a,$5c,$fa,$f4
+
+adv_walk_left4:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $aa,$ba,$0b,$aa
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$aa,$c4,$4a
+	.byte $aa,$5a,$5f,$af
+
+adv_walk_left5:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$44,$c4,$aa
+	.byte $af,$5f,$5c,$aa
+
+adv_walk_left6:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $aa,$ba,$00,$bb
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$aa,$44,$aa
+	.byte $fa,$f4,$5c,$5c
+
+adv_walk_left7:
+	.byte $4,$8
+	.byte $aa,$9a,$9a,$aa
+	.byte $aa,$bb,$99,$aa
+	.byte $aa,$aa,$0b,$aa
+	.byte $aa,$aa,$bb,$aa
+	.byte $aa,$aa,$0b,$ba
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$aa,$44,$aa
+	.byte $aa,$fa,$f4,$5c
+
+
+
+
+
+
 foreground_plant:
 	.byte	$5,$5
 	.byte	$aa,$00,$aa,$aa,$aa
diff --git a/ootw/wait_keypress.s b/ootw/wait_keypress.s
deleted file mode 100644
index 444d2074..00000000
--- a/ootw/wait_keypress.s
+++ /dev/null
@@ -1,5 +0,0 @@
-wait_until_keypress:
-	lda	KEYPRESS				; 4
-	bpl	wait_until_keypress			; 3
-	bit	KEYRESET	; clear the keyboard buffer
-	rts						; 6
diff --git a/ootw/zp.inc b/ootw/zp.inc
index 2958c88f..6d7a054b 100644
--- a/ootw/zp.inc
+++ b/ootw/zp.inc
@@ -147,12 +147,13 @@ DISP_PAGE	= $ED
 DRAW_PAGE	= $EE
 OFFSET         = $EF
 
-ADV_X		=	$F0
-ADV_Y		=	$F1
+PHYSICIST_X	=	$F0
+PHYSICIST_Y	=	$F1
 SPRITETEMP	=	$F2
 XPOS		=	$F3
 YPOS		=	$F4
 DIRECTION	=	$F5
+GAIT		=	$F6
 TEMP		=	$FA
 TEMPY		=	$FB
 INL		=	$FC