Routines
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60312: Input Handler: Kempston
Input
HL Points to Data_Control
IX Points to this routine
Output
A The control byte
The outputs are:
Byte Bits Action
1 00000001 Right
2 00000010 Left
4 00000100 Down
8 00001000 Up
16 00010000 Fire
InputHandler_Kempston 60312 IN A,(31) A=read from the Kempston joystick port.
60314 LD (HL),A Write A to *HL.
60315 JP InputHandler_Common Jump to InputHandler_Common.
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