Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
boards:plus4 [2015/02/22 21:17] darron [Commodore plus/4] |
boards:plus4 [2021/01/04 07:47] (current) |
||
---|---|---|---|
Line 4: | Line 4: | ||
</ | </ | ||
- | The Commodore is a home computer from the 1980s. | + | The Commodore |
- | The +4 has a number of interfaces | + | The +4 has a number of built in I/O interfaces. These include a serial UART, 8-bit parallel port, cassette port and a CBM IEC serial bus. |
- | Video output | + | The video output |
=== Pinout === | === Pinout === | ||
Line 14: | Line 14: | ||
< | < | ||
| | ||
- | GND 5V RES P2 P3 P4 P5 RxC ATN 9V 9V GND | + | GND 5V RES *P2 P3 P4 P5 RxC ATN 9V 9V GND |
GND P0 RxD RTS DTR P7 DCD P6 P1 DSR TxD GND | GND P0 RxD RTS DTR P7 DCD P6 P1 DSR TxD GND | ||
| | ||
+ | |||
+ | *CST SENSE | ||
</ | </ | ||
+ | |||
+ | === Memory map === | ||
+ | |||
+ | ^Address ^Device ^Function | | ||
+ | |$FD10 | ||
+ | |||
+ | === Resources === | ||
+ | |||
+ | [[https:// | ||
+ | |||
+ | [[https:// | ||