Difference between revisions of "Panda Electronics Communications Interface Unit"
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== Technical == | == Technical == | ||
| − | The 8bit Printer Port is | + | The 8bit Printer Port is implemented via a [[8255 PPI chip]]. The dual RS232 port is compatible with the [[Amstrad Serial Interface]]. I/O Ports are: |
F9DCh Panda [[8255 PPI chip|PPI]] Port A - 8bit Printer data | F9DCh Panda [[8255 PPI chip|PPI]] Port A - 8bit Printer data | ||
| − | F9DDh Panda | + | F9DDh Panda PPI Port B - 8bit general purpose I/O port |
| − | F9DEh Panda | + | F9DEh Panda PPI Port C - Handshake (bit0=Strobe.out, Bit5=Busy.in) |
| − | F9DFh Panda | + | F9DFh Panda PPI Control - 8bit Printer data |
| − | FADCh Amstrad | + | FADCh Amstrad RS232 [[Z80-DART/Z80-SIO chip|Z8470 (Z80 DART)]] Channel A Data (R/W) |
| − | FADDh Amstrad | + | FADDh Amstrad RS232 Z8470 (Z80 DART) Channel A Control/Status (R/W) |
| − | FADEh Amstrad | + | FADEh Amstrad RS232 Z8470 (Z80 DART) Channel B Data (R/W) |
| − | FADFh Amstrad | + | FADFh Amstrad RS232 Z8470 (Z80 DART) Channel B Control/Status (R/W) |
| − | FBDCh Amstrad | + | FBDCh Amstrad RS232 [[8253 chip|8253]] Baudrate Timer 0 Channel A TX Clock (R/W) |
| − | FBDDh Amstrad | + | FBDDh Amstrad RS232 8253 Baudrate Timer 1 Channel A RX Clock (R/W) |
| − | FBDEh Amstrad | + | FBDEh Amstrad RS232 8253 Baudrate Timer 2 Channel B RX/TX Clock (R/W) |
| − | FBDFh Amstrad | + | FBDFh Amstrad RS232 8253 Baudrate Timer 0-2 Control Registers (W) |
== RSX Commands == | == RSX Commands == | ||
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* [[Media:Panda Electronics Communication Interface Unit Interface Driver v1.5.zip]] - PIA DRIVER rom-image (v1.5 Oct 1986) | * [[Media:Panda Electronics Communication Interface Unit Interface Driver v1.5.zip]] - PIA DRIVER rom-image (v1.5 Oct 1986) | ||
| − | [[Category:Expansion ROM]] | + | [[Category:Peripherals]] [[Category:Serial_interfaces]] [[Category:Expansion ROM]] [[Category:Network]] |
Latest revision as of 18:48, 20 August 2019
Dual RS232 with 8bit Printer Port. Driver ROM from Panda Electronics Ltd.
Known and Unknown Stuff
The ROM image from Panda Electronics is found on various webpages. However, there is nothing known about the hardware.
There are no known descriptions, photos, or adverts for the actual hardware.
So far, it is unknown if "Panda Hardware" does exists at all (possibly, Panda only made the software, and the corresponding hardware was produced or distributed by a different company - a possible candidate might be Timatic Systems whom did offer a "dual rs232 with 8bit centronics")
Please add info if you know where the ROM image came from!
Technical
The 8bit Printer Port is implemented via a 8255 PPI chip. The dual RS232 port is compatible with the Amstrad Serial Interface. I/O Ports are:
F9DCh Panda PPI Port A - 8bit Printer data F9DDh Panda PPI Port B - 8bit general purpose I/O port F9DEh Panda PPI Port C - Handshake (bit0=Strobe.out, Bit5=Busy.in) F9DFh Panda PPI Control - 8bit Printer data FADCh Amstrad RS232 Z8470 (Z80 DART) Channel A Data (R/W) FADDh Amstrad RS232 Z8470 (Z80 DART) Channel A Control/Status (R/W) FADEh Amstrad RS232 Z8470 (Z80 DART) Channel B Data (R/W) FADFh Amstrad RS232 Z8470 (Z80 DART) Channel B Control/Status (R/W) FBDCh Amstrad RS232 8253 Baudrate Timer 0 Channel A TX Clock (R/W) FBDDh Amstrad RS232 8253 Baudrate Timer 1 Channel A RX Clock (R/W) FBDEh Amstrad RS232 8253 Baudrate Timer 2 Channel B RX/TX Clock (R/W) FBDFh Amstrad RS232 8253 Baudrate Timer 0-2 Control Registers (W)
RSX Commands
- |SETPORT,n - redirect MC_PRINT_CHAR (BD2Bh) (1=SIO_A, 2=SIO_B, 3=PPI.A, 4=EFxxh) (default=3)
- |SETSIO
- |TIMEOUT,n - set timeout (0..255)
- |ROMCAT - show sideways rom directory
- |SIOMENU - config menu (baudrate, parity, etc.)
- |SENDEOF
- |PORTOUT and |PORTIN - set direction of PPI.B (general purpose I/O port)
- |OUTCHAR and |INCHAR
- |OUTBLOCK and |INBLOCK
- |OUTFILE and |INFILE
- |OUTBYTE and |INBYTE
- |XON and |XOFF
- |LFON and |LFOFF
- |DTRON and |DTROFF
- |CTSON and |CTSOFF
Download
- Media:Panda Electronics Communication Interface Unit Interface Driver v1.5.zip - PIA DRIVER rom-image (v1.5 Oct 1986)
