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Routines |
29178 | CALL 29118 | Collect the code of the last key pressed in A |
29181 | RET Z | Return if no key was pressed |
29182 | SUB 48 | We're only interested in keys with codes 48 onwards |
29184 | JR C,29176 | Jump if none of these was pressed |
29186 | LD L,A | Point HL at the relevant entry in the keypress table |
29187 | LD H,229 | |
29189 | LD A,(HL) | Pick up the offset from that table |
29190 | AND A | Set the zero flag if the offset is 0 (i.e. not a game key) |
29191 | RET |