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Routines |
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Control mode 05: reads both keyboard rows separately, returning the F7FE row in B and the EFFE row in C.
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| Read_Control_Keyboard_Split | F6EE | CALL Read_Keyboard_Rows | Call Read_Keyboard_Rows to read both keyboard rows. | |
| F6F1 | AND %00011111 | Mask the F7FE row result to five bits. | ||
| F6F3 | LD B,A | Copy the F7FE row result to B and load the EFFE row. | ||
| F6F4 | LD A,C | |||
| F6F5 | AND %00011111 | Mask the EFFE row result to five bits. | ||
| F6F7 | LD C,A | Store the masked EFFE row result in C. | ||
| F6F8 | POP HL | Discard the stacked return address. | ||
| F6F9 | RET | Return. | ||
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