A.MODE equ 0

SG4.MODE equ 0

SG6.MODE equ 0

SG8.MODE equ 2

SG12.MODE equ 4

SG24.MODE equ 6

A.PIA equ $00

SG4.PIA equ $00

SG6.PIA equ $10

SG8.PIA equ $00

SG12.PIA equ $00

SG24.PIA equ $00

G1C.MODE equ 1

G1R.MODE equ 1

G2C.MODE equ 2

G2R.MODE equ 3

G3C.MODE equ 4

G3R.MODE equ 5

G6C.MODE equ 6

G6R.MODE equ 6

G1C.PIA equ $80

G1R.PIA equ $90

G2C.PIA equ $A0

G2R.PIA equ $B0

G3C.PIA equ $C0

G3R.PIA equ $D0

G6C.PIA equ $E0

G6R.PIA equ $F0

CSS equ $08