Routines
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8090: Return the key being pressed (USR 32912)
BASIC's "Girl or Boy (g/b)?" (line 610) reads its answer through this, taking 0 as boy and 6 as girl and asking again for anything else.
Output
BC The key code the ROM's KEY-SCAN leaves in E
GET_KEY 8090 CALL $028E KEY-SCAN.
8093 LD B,$00 USR returns BC.
8095 LD C,E
8096 RET
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