;*******  ColecoVision I/O Decoder  ********

;A7 = 1 (ENABLE DECODER)
;A6 A5 Wr 
;0  0  0		y0	write	ctrl EN 2
;0  0  1		y1	read	nothing
;0  1  0		y2	write 	VDP	 
;0  1  1		y3	read  	VDP	
;1  0  0		y4	write 	ctrl EN 1
;1  0  1		y5	read	nothing  
;1  1  0		y6	write	audio
;1  1  1		y7	read	ctrl input

;101X XXX0	VDP  Wr REG 	0xA0	
;101X XXX0	VDP  Rd REG 	0xA0
;101X XXX1	VDP  Wr RAM 	0xA1
;101X XXX1	VDP  Rd RAM 	0xA1
;100X XXXX	ctrl Wr EN 2	0x80
;110X XXXX	ctrl Wr EN 1	0xC0
;111X XXXX	ctrl Rd input	0xFF
;111X XXXX	aud  Wr out	0xFF

;****************   H2Z80 I/O Decoder   ****************

;A7 A6 A5 A4 
;0  0  0  0	y0		write	leds			0x00
;0  0  0  1  	y1		Wr/Rd	CF card (A1 - A3)	0x10
;0  0  1  0  	y2		Wr/Rd	nothing			0x20
;0  0  1  1  	y3		write	bank sw (A3)		0x30
;0  1  0  0  	y4		Wr/Rd	nothing 		0x40
;0  1  0  1  	y5a		Wr/Rd	PIO Pa	(A1)		0x50
;0  1  0  1  	y5b		Wr/Rd	PIO Pb	(A1)		0x52
;0  1  1  0  	y6		Wr/Rd	nothing			0x60
;0  1  1  1  	y7		Wr/Rd	nothing			0x70
;1  0  0  0  	y8a		Wr/Rd	SIO Pa	(A1)		0x80
;1  0  0  0  	y8b		Wr/Rd	SIO Pb	(A1)		0x82
;1  0  0  1  	y9		Wr/Rd	IDE HD	(A1 - A3)	0x90
;1  0  1  0  	yA		Wr/Rd	nothing			0xA0
;1  0  1  1 	yB		Wr/Rd	VDP 	(A0)		0xB0
;1  1  0  0  	yC		Wr/Rd	nothing			0xC0
;1  1  0  1  	yD		Wr/Rd	nothing			0xD0
;1  1  1  0  	yEa		read	ctrl 1	(A0)		0xE0
;1  1  1  0  	yEb		read	ctrl 2	(A0)		0xE1
;1  1  1  1  	yFa		write	sound L	(A0)		0xF0
;1  1  1  1     yFb		write	sound R	(A0)		0xF1


;****************   Coleco Controller Memory Map   ****************

;S0_C0 =	80h + p1_fire1 + p1_joy
;S1_C0 =	80h + p1_fire2 + p1_keypad

;S0_C1 =	80h + p2_fire1 + p2_joy
;S1_C1 =	80h + p2_fire2 + p2_keypad

73F1h	S1_C1	
73F0h	S1_C0	
73EFh	S0_C1	
73EEh	S0_C0	
8008h	controller map pointer → 0200h (Its ROM deppendent)
0200h	p1 enable	(8008h) + 0
0202h	p1 fire		(8008h) + 2
0203h	p1 joy		(8008h) + 3
0204h	p1 spinner	(8008h) + 4
0205h	p1 arm		(8008h) + 5
0206h	p1 keypad	(8008h) + 6
0201h	p2 enable	(8008h) + 1
0207h	p2 fire		(8008h) + 7
0208h	p2 joy		(8008h) + 8
0209h	p2 spinner	(8008h) + 9
020Ah	p2 arm		(8008h) + 10
020Bh	p2 keypad	(8008h) + 11
S0_C0 =	80 + p1 fire1 + p1 joystick	
S1_C0 =	80 + p1 fire2 + p1 keypad	
S0_C1 =	80 + p2 fire1 + p2 joystick	
S1_C1 =	80 + p2 fire2 + p2 keypad

;****************   Coleco Controller Buttons Decode   ****************

;p1 fire1			*8008h + 1
;	nothing = 0fh
;	f1 = 40h

;p1 joystick:			*8008h + 2
;	nothing = 0
;	up = 1h
;	rg = 2h
;	dw = 4h
;	lf = 8h

;p1 spinner			*8008h + 3

;p1 arm	(fire2)			*8008h + 4
;	nothing = 0fh
;	f2 = 40h

;p1 keypad			*8008h + 5
;	nothing = 0fh
;	0 = 0h
;	1 = 1h		!!!
;	2 = 2h
;	3 = 3h
;	4 = 4h		!!!
;	5 = 5h		
;	6 = 6h
;	7 = 7h
;	8 = 8h
;	9 = 9h
;	* = Ah		!!!
;	# = Bh		!!!

;p1 keypad 			S1_C0
;	nothing = 80
;	0 = +5h
;	1 = +2h		
;	2 = +8h
;	3 = +3h
;	4 = +Dh
;	5 = +Ch
;	6 = +1h
;	7 = +Ah
;	8 = +Eh
;	9 = +4h
;	* = +6h
;	# = +9h