[vic20] fix wrong keys, add code for missing keys #38
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This PR fixes the following keys:
¤tly produces'(currently produces))currently produces0^currently produces&*currently produces)It also adds key codes for
HOME,CLR,INST,DEL,CTRLandC=so that they can be referenced from the host.UPDATE: I've also added emulation of the RESTORE key. I've put the key on a separate line on the keyboard matrix (line 8, column 0) as keycode
0xFFand then simply route it toVIA1to pinCA1.UPDATE2: I've fixed a bug on the VIC memory map. When the VIC reads in the range
0x4000-0x4FFFit should point in therom_char. This allows a nice trick on the unexpanded VIC20: the commandPOKE 36869,255allows to use both definable characters (range$1c00-$1dff) and ROM characters ($8000) on the same screen by printing the ROM character in reverse.UPDATE3: I've fixed a small bug in the joystick, the
JOYSTICK_LEFTwas repeated twice.UPDATE4: I've added a missing entry on the configuration enum, for the 3K memory expansion