xmas24: update title screen

demos/xmas_2024/start.s

@@ -1,4 +1,4 @@
-; XMAS 2023
+; XMAS 2024
 
 ;
 ; by deater (Vince Weaver) <vince@deater.net>
@@ -112,11 +112,20 @@ print_no_mock:
 done_set_message:
 	sta	OUTH
 
-	; print the text
+	; print the mockingboard text
 
 	jsr	move_and_print
 
+	;==============================
+	;==============================
+	; print title text
 
+	lda	#<title_string
+	sta	OUTL
+	lda	#>title_string
+	sta	OUTH
+
+	jsr	move_and_print_list
 
 
 	;=======================
@@ -200,6 +209,19 @@ mockingboard_string:
 no_mockingboard_string:
 .byte   3,22,"NO MOCKINGBOARD, CONTINUING ANYWAY",0
 
+
+;             0123456789012345678901234567890123456789
+title_string:
+.byte 0,4, "XMAS 2024",0
+.byte 0,6, "BY THE GUINEA PIG GANG",0
+.byte 0,8, "CODE:  VINCE 'DEATER' WEAVER",0
+.byte 0,9, "ART:   GUINEAGIRL2424",0
+.byte 0,10,"FX:    4AM/QKUMBA",0
+.byte 0,11,"QLOAD: QKUMBA",0
+.byte 0,12,"MUSIC: ARRANGED BY TOYMUSIC",0
+.byte 0,13,"       (CASIO-8 DEMO SONG)",0
+.byte $FF
+
 .include "pt3_lib_mockingboard_patch.s"
 
 .include "hardware_detect.s"

demos/xmas_2024/xmas.s

@@ -37,8 +37,12 @@ xmas_main:
 
 	cli
 
+	bit	KEYRESET
+
 	jsr	wipe_star
 
+	jsr	do_scroll
+
 repeat:
 
 finished:
@@ -50,5 +54,10 @@ finished:
 
 .include "wipe_star.s"
 
+.include "horiz_scroll.s"
+.include "font/large_font.inc"
+.include "hgr_page_flip.s"
+.include "vblank.s"
+
 gp_hat_graphics:
 .incbin "graphics/gp_hgr.zx02"

demos/xmas_2024/zp.inc

@@ -144,9 +144,17 @@ CX              = $F8
 CY              = $F9
 RR              = $FA
 
-; Credits
-BACKUP_OUTL	= $F2
-BACKUP_OUTH	= $F3
+; Scroll
+
+SCROLL_OFFSET   = $F0
+SCROLL_START    = $F1
+SCROLL_ODD      = $F2
+PLASMA_GROW     = $F3
+SCROLL_SUBSCROLL= $F4
+FONT1           = $F5
+FONT2           = $F6
+SCROLL_ROW      = $F7
+SCROLL_COL      = $F8
 
 
 ;==============================================