Ports

Known default RC2014 I/O port assignments

This omits some oddities like the Digital Input and Output cards that
partial decode all over the place and clash with everyone.


0x00-0x03	RC2014 DigitalI/O
0x00-0x01	Scott Baker VFD
0x10-0x17	RC2014 CF Adapter	(ghosts at 0x90)

0x20		Scott Baker Speech Synthesizer
0x38		RC2014 pageable ROM
0x38		SC108 banking/paging

0x40-0x43	Marco's Propeller Graphics Card
0x48-0x58	Scott Baker Floppy Controller

0x68-0x6B	SC103 Z80 PIO
0x70-0x7F	RC2014 512K ROM/RAM paging registers
0x80-0xBF	RC2014 ACIA (partial decode)
0x80-0x83	RC2014 SIO 
0x80-0x83	SC104 SIO
0x80-0x83	Scott Baker SIO
	(Scott Baker one has ports in different order to
	 RC2014 standard one ?)
0x84-0x87	SC104 SIO second card
0x88-0x8B	SC102 CTC first card
0x8C-0x8F	SC102 CTC second card
0x90-0x93	Scott Baker CTC

0xA0		Z280RC boot mode switch
0xA2		Z280RC RTC

0xC0		Scott Baker Real Time Clock
0xC0		Ancient Computing 16550A
0xC0		RC2014/Ed Brindley DS1302 RTC
0xC0-0xCF	Z280RC IDE
0xD0-0xD3	Ed Brindley YM-AY
0xE0-0xE7	Scott Baker CF Adapter
0xE0-0xE7	RC2014/Ed Brindley PPIDE


With no assumed default I can find documented

Scott Baker DAC