Routines
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9A1D: Control Method: Interface Two
Output
B
C Control byte
HL Pointer to Key Map
ControlMethod_InterfaceTwo 9A1D POP HL Restore HL from the stack.
9A1E CALL Controls Call Controls.
9A21 AND %11100000 Keep only bits 5-7.
9A23 LD C,A Store the result in C.
9A24 LD HL,$9A2B HL=KeyMap_InterfaceTwo.
9A27 LD B,%00001000 B=08.
9A29 JR Controls_0 Jump to Controls_0.
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