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1753 Commits

Author SHA1 Message Date
Wayne Warthen
c616e76b2a Correct Z80Retro Config in SD Driver 
SD_INVCS in the sd.asm had been incorrectly changed from FALSE to TRUE.  This changes it back to FALSE which is correct.

Thanks and credit to Peter Kuebler for bringing this to my attention.
 2025-12-01 14:02:40 -08:00
Dan Werner
42e630a746 change config defaults for N8PC 2025-11-30 17:54:21 +00:00
Wayne Warthen
605ac58f7a More RTC Cleanup 2025-11-29 19:37:19 -08:00
Wayne Warthen
b9a251bb1f Minor Improvement in DS12RTC Driver 
- Refactored the Update-In-Progress checks to reduce code size and improve checking accuracy.
 2025-11-29 17:03:42 -08:00
Wayne Warthen
f283aed73b Minor Cleanup for N8PC 
Just some minor cleanup for consistency.  No functional changes.
 2025-11-29 16:08:20 -08:00
Wayne Warthen
704b31eb23 Merge branch 'master' of https://github.com/wwarthen/RomWBW 2025-11-29 13:49:59 -08:00
Dan Werner
5ccc225343 change N8PC build default 2025-11-29 03:23:31 +00:00
Dan Werner
25facb8e4d Add N8PC support 2025-11-29 02:13:38 +00:00
Wayne Warthen
ac48639bfc Cleanup of DS12RTC Driver 
- Offset NVRAM register access by $60 to avoid collisions with IBM PC CMOS usage.
- Wrap register accesses in DI/EI.  The DS1288x requires no interrupts between the register selection and the data r/w.
- Minor comment improvements.
 2025-11-26 13:05:21 -08:00
Wayne Warthen
8c7f51fd74 Bug Fix for DS5RTC Driver 
- The SETBYT routine was broken.  This fixes it.
 2025-11-26 13:02:24 -08:00
Wayne Warthen
2de1c9b05d Support DS1288x RTC/NVRAM 2025-11-25 17:08:15 -08:00
Wayne Warthen
2ac394f22b HBIOS Disk R/W w/ Sec Cnt = 0, Discussion #632 
Check for a length of zero in HBIOS disk read and write calls.  Such calls will perform no read/write actions and return success.

Thanks and credit to @hubertushirsch.
 2025-11-21 10:07:17 -08:00
Wayne Warthen
b652412964 Improve RomLdr Messaging 
Improve messaging that handles missing boot signature or load length <= 0.

Thanks and credit to @hubertushirsch.

See Commit f5a7c61 comments.
 2025-11-21 09:02:47 -08:00
Wayne Warthen
bb93010716 Fix RomLdr "O" Option Return, Issue #630 
- Removed interrupts disable prior to invoking hardware monitor from RomLdr.

Co-Authored-By: HubertH <51236138+hubertushirsch@users.noreply.github.com>
 2025-11-19 13:44:18 -08:00
Wayne Warthen
f5a7c61214 Validate Boot Record Meta Data 
- Added basic checks to verify boot image size is > 0 before attempting to load.  Thanks and credit to @hubertushirsch.  See Discussion #631.

Co-Authored-By: HubertH <51236138+hubertushirsch@users.noreply.github.com>
 2025-11-19 13:07:20 -08:00
Wayne Warthen
99ed022660 Minor Update for RomLdr per Issue #622 
Thanks and credit to @kiwisincebirth.
 2025-11-15 17:07:10 -08:00
Wayne Warthen
eec721e3bb Create mmrtc.asm 
Adding missed file.
 2025-11-14 14:47:27 -08:00
Wayne Warthen
9233d19c2c Add NS MM58167B RTC Driver 
- This is currently specific to the S100 systems interface.
 2025-11-14 14:26:21 -08:00
Wayne Warthen
7686cef325 S100 Doc Updates 2025-11-09 13:55:07 -08:00
Wayne Warthen
063e7c87d4 RomLdr Improvements, Issue #622 
Some preliminary work on RomLdr to eventually support improved ROM content layout management.

- Allow ROM components to span banks.
- Refactor menu removing "L" option.
 2025-11-09 12:20:26 -08:00
Wayne Warthen
e771ca88c1 PLDSER Driver 
- Improve hardware detection
 2025-11-09 12:17:01 -08:00
Wayne Warthen
915552fed8 S100 Config Cleanup 2025-11-09 12:15:36 -08:00
Wayne Warthen
6592a0797f SZ80 to 19200 Baud as Default 
John is moving the S100 Monitor from 38400 baud to 19200 baud.  This change is to stay in sync.
 2025-11-01 17:03:46 -07:00
Wayne Warthen
ad2d3f3ac3 Disk Driver Code Cleaning 
Some disk drivers still had internal code for multi-sector I/O.  With the read supervisors, this is no longer needed.  Removed the extraneous code from these drivers.
 2025-11-01 16:46:23 -07:00
Wayne Warthen
d0ac04045a Preliminary Zilog SCC Support 
- Interrupts and flow control not yet implemented.
 2025-10-29 13:40:24 -07:00
Wayne Warthen
d741d18705 Update Makefile 2025-10-22 13:38:26 -07:00
Wayne Warthen
71bc7719e8 S100 Naming Cleanup 
Renamed configs and mode options for S100 systems to make them more consistent and accurate.
 2025-10-22 13:32:45 -07:00
H.J.Berends
cbfa6d9241 MSX fix memory and base year 
MSX fix upper memory segment assignment error and set RP5C01 base year to 1980.
 2025-10-20 13:00:36 +02:00
Wayne Warthen
2d0ebf49f7 S100 Config Tweaking 2025-10-15 17:38:59 -07:00
Wayne Warthen
361e9ed83a Comments for EaZy80-512 64K ROM, Issue #500 
Comments to alert developers of the need to keep layout.inc and EZ512 build scripts in sync.
 2025-10-13 16:58:51 -07:00
Wayne Warthen
4ee14cbefa Tweak S100 Z80 IOBYTE Handling 
Attempting to ensure that RomWBW properly "follows" the IOBYTE settings at implemented in the dedicated S100 Z80 Monitor.  Specifically, the bit that controls the boot console.
 2025-10-13 16:54:20 -07:00
Wayne Warthen
affc47efc2 Support DLP Connection on S100 Serial I/O 2025-10-11 15:10:58 -07:00
H.J.Berends
2d77d4f036 Added IDE driver detect option 2025-10-11 13:21:16 +02:00
Wayne Warthen
22f9c9cef1 Correct Prior Int Status Fix, See Issue #620 
Thanks and credit to @feilipu.
 2025-10-10 13:43:33 -07:00
Wayne Warthen
7e4ce45f9a Improve S100 Z80 FPGA Config 
Improvements to the PPIDE interface discovery configuration.
 2025-10-10 11:36:12 -07:00
Wayne Warthen
f164ffdc76 Z80 NMOS Int Status Bug, Issue #620 
Add a config setting to enable code that works around the Z80 interrupt status (LD A,I) bug.

Currently enabled only for MSX platform.
 2025-10-10 11:18:18 -07:00
Wayne Warthen
6684a3e039 Support LEDs on S100 SMB 2025-10-08 12:05:23 -07:00
Wayne Warthen
6202bd244c Bump Version 2025-10-03 08:53:31 -07:00
H.J.Berends
a4b8d14e3d Update PPIDE, added MSX BEER 
Update PPIDE driver, added support for MSX BEER IDE interface
 2025-09-29 12:53:29 +02:00
Wayne Warthen
16449bb817 Fix Image Bank Id's for ROMless Systems 
See Discussion #613
 2025-09-24 14:03:13 -07:00
Wayne Warthen
e6b3945e42 MSX Follow-up 
- Include in Linux/MacOS build
- Add entry in Hardware Guide
- Add credit in Introduction
 2025-09-24 13:07:10 -07:00
H.J.Berends
8983b3642d added MSX platform 2025-09-24 12:19:21 +02:00
Wayne Warthen
fa4f0c996a Switch IDENT from $FFFE to $FFFC 
Accommodates upcoming MSX platform port.  See [Discussion #613](https://github.com/wwarthen/RomWBW/discussions/613).
 2025-09-23 13:36:32 -07:00
Wayne Warthen
74cfca470d SZ80 Tweaks 
Support full 1MB of RAM on S100 Z80 CPU.
 2025-09-23 11:59:47 -07:00
Wayne Warthen
b5f402554c Preliminary S100 Z80 CPU Support 
Adds support for a general modular Z180-based S100 system.
 2025-09-22 17:20:23 -07:00
Wayne Warthen
ee6cd57f15 Correct Typo in CHUSB Driver 
Thanks and credit to @hubertushirsch.
 2025-09-18 11:31:54 -07:00
Wayne Warthen
e43b739ddd Remove Unused Code in CHUSB Driver, Issue #612 
Thanks and credit to @hubertushirsch.
 2025-09-17 14:35:42 -07:00
Wayne Warthen
2b459b1358 Add Config for ESPSD CD 
- Allow card detect functionality in ESPSD driver to be controlled by a configuration variable.
 2025-09-17 14:25:25 -07:00
Wayne Warthen
067363824c ESPSD Driver Cleanup 
- Includes workaround for S100 Z180 SBC data transfer anomaly
 2025-09-04 09:15:59 -07:00
Wayne Warthen
1a38b97e51 Merge pull request #609 from dinoboards/dean-dev-2025-08-30-ch376-issue 
ch376native: fix issue with CH376S modules with VER 3 firmware.
 2025-09-01 14:35:50 -07:00