This configuration is specifically for the SC126, Z180 Motherboard.
The latest release of this Firmware is detailed in the table below.
| Name | Wayne Warthen’s RomWBW |
| Platform | SCZ180 |
| Configuration | 126 |
| Release | v3.2.0, 2023-03-18 |
| Download | SC126 RomWBW SCZ180_126 v3.2.0 Dated 2023-03-21 |
| Device Programming: | |
| Code size | 512k bytes |
| Checksum | 02EA 3EA1 (MiniPro 6.85, SST39SF040) |
| Recommended IC | SST39SF040-70 |
| Core Components: | |
| HBIOS | Version 3.2.0, 2023-03-18 |
| Included Apps: | |
| – CamelForth | Version 1.02 |
| – CP/M | Version 2.2, CBIOS v3.2.0 [WBW] |
| – Monitor | Version unknown |
| – NASCOM BASIC | Version 4.7b |
| – Tasty BASIC | Version 0.3.0 |
| – Z-System | Version 1.1, CBIOS v3.2.0 [WBW] |
The firmware is supplied (above) as a binary format file, which is suitable for use by most PROM programmers.
RomWBW’s documentation can be found here.
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
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
- Processor and memory:
- Memory:
- Serial ports:
- Timer:
- Baud rate generation:
- Mass storage (SD card):
- Mass storage (Compact Flash card)
- Self-test status display:
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.
OLDER RELEASES
RomWBW v3.0
The latest release of this Firmware is detailed in the table below.
| Name | Wayne Warthen’s RomWBW |
| Platform | SCZ180 |
| Configuration | 126 |
| Release | v3.0 |
| Download | SC126 RomWBW SCZ180_126 2020-03-23 |
| Device Programming: | |
| Code size | 512k bytes |
| Checksum | 02CE 1495 (MiniPro 6.6, SST39SF040) |
| Recommended IC | SST39SF040-70 |
| Core Components: | |
| HBIOS | Version 3.0, 2020-03-27 |
| Included Apps: | |
| – CamelForth | Version 1.02 |
| – CP/M | Version 2.2, CBIOS v3.0 [WBW] |
| – Monitor | Version unknown |
| – NASCOM BASIC | Version 4.7b |
| – Tasty BASIC | Version unknown |
| – Z-System | Version 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 documentation can be found here.
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
- Processor and memory:
- Memory:
- Serial ports:
- Timer:
- ?
- Baud rate generation:
- Mass storage (SD card):
- Mass storage (Compact Flash card)
- Self-test status display:
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.
Small Computer Central 