Routines
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945C: Routine at 945C
Used by the routines at 8D06, 93A6, A0F8, A1AA, A325, A3C1, A3FF, A4E7, B6EC, B785 and B7BC.
945C LD A,$7E Read from the keyboard;
Port Number Bit
0 1 2 3 4
7E SPACE FULL-STOP M N B
Shift Z X C V
945E OUT ($FD),A
9460 IN A,($FE)
9462 CPL Flip the bits.
9463 AND %00000010 Keep only bit 1.
9465 RET Return.
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