Firmware, RomWBW, RCZ180_nat

The latest release of this Firmware is detailed in the table below.

NameRomWBW
ConfigurationRCZ180_nat
Release v3.0
DownloadRomWBW RCZ180_nat 2020-03-27
Device Programming:
Code size512k bytes
Checksum02D2 9D4A (MiniPro 6.6, SST39SF040)
Recommended ICSST39SF040-70
Core Components:
HBIOSVersion 3.0, 2020-03-27
Included Apps:
– CamelForthVersion 1.02
– CP/MVersion 2.2, CBIOS v3.0 [WBW]
– MonitorVersion unknown
– NASCOM BASICVersion 4.7b
– Tasty BASICVersion unknown
– Z-SystemVersion 1.1, CBIOS v3.0 [WBW]

The firmware is supplied (above) as a binary format file, which is suitable for use by most PROM programmers.

RomWBW’s Components and Apps are described here. RomWBW’s documentation can be found here.

Source code and documentation for RomWBW can be found here.

Supported Devices

  • Z180 CPU (eg. Z8S180xx)
  • Z180’s asynchronous serial ports
  • Compact Flash at 0x10 for loading CP/M

The lack of specific support does not exclude the use of other hardware. It just means the ROM does not do anything specific with it.

Supported Modules

  • Timer:
    • ?
  • Self-test status display:
    • not applicable

The lack of specific support does not exclude the use of other hardware. It just means the ROM does not do anything specific with it.

Release Notes

The Z180’s internal I/O is set to the range 0xC0 to 0xFF.

Homebrew 8-bit retro computing