megademo: load some graphics

megademo/Makefile

@@ -17,14 +17,20 @@ megademo.dsk:	MEGADEMO
 MEGADEMO:	megademo.o
 	ld65 -o MEGADEMO megademo.o -C ../linker_scripts/apple2_1000.inc
 
-megademo.o:	megademo.s
+megademo.o:	megademo.s \
+	c64.img
 	ca65 -o megademo.o megademo.s -l megademo.lst
 
 
 ####
 
+c64.img:	c64_updated.png
+	../hgr-utils/png2hgr c64_updated.png > c64.img
+
+####
+
 C64C.BIN:	c64.bmp
 	$(B2D) c64.bmp HGR
 
 clean:		
-		rm -f *~ *.o *.lst *.inc MEGADEMO
+		rm -f *~ *.o *.lst *.inc MEGADEMO c64.img

megademo/hardware.inc

@@ -0,0 +1,84 @@
+;; HARDWARE LOCATIONS
+
+KEYPRESS	=	$C000
+KEYRESET	=	$C010
+
+;; SOFT SWITCHES
+CLR80COL	=	$C000	; PAGE0/PAGE1 normal
+SET80COL	=	$C001	; PAGE0/PAGE1 switches PAGE0 in Aux instead
+EIGHTYCOLOFF	=	$C00C
+EIGHTYCOLON	=	$C00D
+SPEAKER		=	$C030
+SET_GR		=	$C050
+SET_TEXT	=	$C051
+FULLGR		=	$C052
+TEXTGR		=	$C053
+PAGE0		=	$C054
+PAGE1		=	$C055
+LORES		=	$C056	; Enable LORES graphics
+HIRES		=	$C057	; Enable HIRES graphics
+AN3		=	$C05E	; Annunciator 3
+
+PADDLE_BUTTON0	=	$C061
+PADDL0		=	$C064
+PTRIG		=	$C070
+
+;; BASIC ROUTINES
+
+NORMAL	=	$F273
+
+;; MONITOR ROUTINES
+
+HLINE	= $F819			;; HLINE Y,$2C at A
+VLINE	= $F828			;; VLINE A,$2D at Y
+CLRSCR	= $F832			;; Clear low-res screen
+CLRTOP	= $F836			;; clear only top of low-res screen
+SETCOL	= $F864			;; COLOR=A
+TEXT	= $FB36
+TABV	= $FB5B			;; VTAB to A
+BASCALC	= $FBC1			;;
+VTAB	= $FC22			;; VTAB to CV
+HOME	= $FC58			;; Clear the text screen
+WAIT	= $FCA8			;; delay 1/2(26+27A+5A^2) us
+SETINV	= $FE80			;; INVERSE
+SETNORM	= $FE84			;; NORMAL
+COUT	= $FDED			;; output A to screen
+COUT1	= $FDF0			;; output A to screen
+
+
+
+
+
+
+COLOR_BLACK		=	0
+COLOR_RED		=	1
+COLOR_DARKBLUE		=	2
+COLOR_PURPLE		=	3
+COLOR_DARKGREEN		=	4
+COLOR_GREY		=	5
+COLOR_MEDIUMBLUE	=	6
+COLOR_LIGHTBLUE		=	7
+COLOR_BROWN		=	8
+COLOR_ORANGE		=	9
+COLOR_GREY2		=	10
+COLOR_PINK		=	11
+COLOR_LIGHTGREEN	=	12
+COLOR_YELLOW		=	13
+COLOR_AQUA		=	14
+COLOR_WHITE		=	15
+
+COLOR_BOTH_BLACK	=	$00
+COLOR_BOTH_RED		=	$11
+COLOR_BOTH_DARKBLUE	=	$22
+COLOR_BOTH_DARKGREEN	=	$44
+COLOR_BOTH_GREY		=	$55
+COLOR_BOTH_MEDIUMBLUE	=	$66
+COLOR_BOTH_LIGHTBLUE	=	$77
+COLOR_BOTH_BROWN	=	$88
+COLOR_BOTH_ORANGE	=	$99
+COLOR_BOTH_PINK		=	$BB
+COLOR_BOTH_LIGHTGREEN	=	$CC
+COLOR_BOTH_YELLOW	=	$DD
+COLOR_BOTH_AQUA		=	$EE
+COLOR_BOTH_WHITE	=	$FF
+

megademo/megademo.s

@@ -3,6 +3,19 @@
 ; by deater (Vince Weaver) <vince@deater.net>
 
 
+.include "hardware.inc"
+
+
+	;===================
+	; set graphics mode
+	;===================
+	jsr	HOME
+
+	bit	PAGE0                   ; first graphics page
+	bit	FULLGR			; full screen graphics
+	bit	HIRES			; hires mode !!!
+	bit	SET_GR			; graphics mode
+
 
 	;===================
 	; do nothing
@@ -11,3 +24,6 @@ do_nothing:
 	jmp	do_nothing
 
 
+.align $1000
+
+.incbin "c64.img"