Changes

'''Inputs:'''

'''Outputs: (enabled only when /IORQ=Low)'''

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'''Part A (when MAPMOD=0)''' COLDAT Addr CPU Addr Content 0000..00FF: 5FFFh ? (filled with incrementing values: 00h..FFh) 0100..013F: 7FFFh Gate Array 0 (palette index) 0140..017F: 7FFFh Gate Array 1 (palette data) 0180..01BF: 7FFFh Gate Array 2 (vmode, rom, leds) 01C0..01FF: 7FFFh Gate Array 3 (rambank, etc.) 0200..02FF: DFFFh Upper ROM Bank 0300..03FF: FFFFh ? (filled with incrementing values: 00h..FFh) '''Part B (when MAPMOD=1)''' 0400..04FF: 5FFFh ? (filled with incrementing values: 00h..FFh) 0500..053F: 7FFFh Gate Array 0 (palette index) (same as MAPMODE=0) 0540..057F: 7FFFh Gate Array 1 (palette data) (other than MAPMODE=0) 0580..05BF: 7FFFh Gate Array 2 (vmode, rom, leds) (same as MAPMODE=0) 05C0..05FF: 7FFFh Gate Array 3 (rambank, etc.) (same as MAPMODE=0) 0600..06FF: DFFFh Upper ROM Bank (same as MAPMODE=0) 0700..07FF: FFFFh ? (filled with incrementing values: 00h..FFh)