Firmware, RomWBW RCZ180_sc126

This configuration is specifically for the SC126, Z180 Motherboard.

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

NameWayne Warthen’s RomWBW
ConfigurationRCZ180_sc126
Release v2.9.2-Pre.1, 2019-07-23
DownloadSC126 RomWBW RCZ180_sc126 2019-07-23
Device Programming:
Code size512k bytes
Checksum (27C256)02CB 6E4F (MiniPro 6.6)
Recommended ICSST39SF040-70
Core Components:
HBIOSVersion 2.9.2-pre.1
Included Apps:
– CamelForthVersion 1.02
– CP/MVersion 2.2, CBIOS v2.9.2-pre.1 [WBW]
– MonitorVersion unknown
– NASCOM BASICVersion 4.7b
– Tasty BASICVersion unknown
– Z-SystemVersion 1.1, CBIOS v2.9.2-pre.1 [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. <TODO>

The very latest version, source code and documentation for RomWBW can be found here.

Supported Devices

  • SC126 Z180 motherboard
    • Z180 CPU (eg. Z8S180xx)
    • Z180’s asynchronous serial ports
    • Status LEDs at 0x0D
    • Real Time Clock at 0x0C
    • SD card at 0x0C
  • 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:
    • ?

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