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B909: LED Digits, layout and bitmap information.
Each byte holds information on a LED digit. (0-9)
Each bit represents one of the LEDs. See below.
Digit_LedLayout B909 DEFB $FB,$A8,$DD,$ED,$AE,$E7,$F6,$A9
B911 DEFB $FF,$AF
Digit layout and bitmap offsets.
blank cd00 blank
cd10 cd11 cd12
cd20 blank cd22
blank cd30 blank
Information is used to draw an LED type digit on screen.
Each pair represents offset from top-left position on screen and offset for the required bitmap.
See CountDown for addresses and handling.
Digit_Info B913 DEFB $01,$10 cd3, Top middle LED. (Bit 7)
B915 DEFB $20,$00 cd1, Left top LED. (Bit 6)
B917 DEFB $21,$10 cd3, Centre LED. (Bit 5)
B919 DEFB $22,$08 cd2, Right top LED. (Bit 4)
B91B DEFB $40,$00 cd1, Left bottom LED. (Bit 3)
B91D DEFB $42,$08 cd2, Bottom centre LED. (Bit 2)
B91F DEFB $61,$18 cd4, Right bottom LED. (Bit 1)
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