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3,588 Commits 2 Branches 380 Tags
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39 Commits

Author SHA1 Message Date
Wayne Warthen
ab7c566270 Abstraction of Font File Processing 
Moved common font data file processing (including decompression) into core code and removed redundant code from VDA drivers.
 2025-06-25 12:35:24 -07:00
Wayne Warthen
31aa305522 Rationalize Font Files 
- Consolidated font files from 6 to 4 by eliminating redundant files.
- Use code page 437 for all fonts (except 8x11).
 2025-06-22 14:36:43 -07:00
Wayne Warthen
8a16b851ad Update cvdu.asm 
- Improves compatibility with high speed CPUs.
 2025-01-07 18:57:15 -08:00
Wayne Warthen
f50ae14f9e Video Driver Fixes 
Thanks and credit to Phillip Summers for finding these and suggesting solutions.
- VGA driver initialization fixed.
- CVDU probe fixed to not rely on ready bit of CVDU
 2025-01-05 19:55:37 -08:00
Wayne Warthen
757f0b08ff Minor Follow-up on KBD Interrupt Enhancement 
- Add call to KBD_PREINIT to the CVDU driver.
 2024-12-16 10:47:53 -08:00
Wayne Warthen
f9ed5651e6 KBD Interrupt Processing Cleanup 
- I finally realized there was a much simpler way to setup the instance data pointer (IY) for the interrupt handler.  This implements the change and reduces the complexity of the code.
- Related to PR #460
 2024-12-08 13:37:09 -08:00
Wayne Warthen
7606abb8f3 Follow-up on KBD Interrupt Support 
Related to PR #460
 2024-12-07 13:48:43 -08:00
Wayne Warthen
3f63c92fd5 HBIOS Cleaning 
- Rearranged HBIOS code to improve colocation of related code.
- Implemented macros to improve control over assembly diagnostic output.
- Improved handling of diagnostic LEDs.
- Improved application boot bank management.
- Implemented application boot for Z280 systems.
- Moved Z280_BNKSEL into proxy.
-
 2024-04-30 14:18:59 -07:00
Wayne Warthen
2d8c37307d Improve Video Hardware Reset 
- This change avoids clearing the screen every time an OS reset occurs.  A non-destructive VDC reset is now performed that leaves the screen contents and cursor position unchanged.
- If an application overwrites the video RAM, then the screen may contain garbage upon return to OS.  However, the console will still be functional and the user can just press enter a few times to clear the screen.
 2024-04-03 15:53:24 -07:00
Wayne Warthen
074f2cfdb2 Fix for ROMless Restart 
Registration of terminal emulation was failing under ROMless operation after a (R)estart was performed at the Boot Loader.  See <https://groups.google.com/g/retro-comp/c/bILDMVI97vo/m/Oj8sXdr7DAAJ>.
 2024-02-08 17:43:55 -08:00
Wayne Warthen
def84eded9 Integrate Jose Collado's Screen Color Enhancements 
Credit and thanks to Jose Collado

- This change enhances both the TMS driver and ANSI emulation to handle setting of screen foreground/background.
 2023-12-22 16:09:33 -08:00
Wayne Warthen
72cdbdd4ad Documentation Updates Inspired by Martin R 
- Implemented a crude mechanism to output config settings during a build which can be imported into the User Guide appendix.
 2023-11-29 18:54:51 -08:00
Wayne Warthen
7ac88efac1 Support for VGARC 
Initial support for Bill Shen's VGARC video/keyboard module for RCBus.
 2023-05-02 19:23:51 -07:00
b1ackmai1er
590dcd0b4f SYSCHK driver syncing 2022-11-06 10:46:46 +08:00
Wayne Warthen
99f4e174ad CVDU CGA Tweaks 
- Correct cursor setup so it is visible
- Correct attribute start position
- Added ZDE.DOC file
 2021-12-15 15:58:11 -08:00
Wayne Warthen
6ac68029e4 VDC Test Programs 
- Add kbdtest, cvdtest, and cvdonly test programs.  They apply to MBC platform only.
- Display more boot info in CVDU and KBD drivers.
- Separate floppy and hard disk content definition files.
 2021-12-14 16:02:23 -08:00
Wayne Warthen
e8ecdd0fac Support MBC VDC 2021-12-10 16:34:15 -08:00
b1ackmai1er
3bc8afcc87 Add VDA Read Character function 
For your consideration. Seems to work.
 2021-10-18 20:38:37 +08:00
b1ackmai1er
bccbec90e7 Update cvdu.asm 
fixup
 2021-01-28 18:53:13 +08:00
b1ackmai1er
b6d5516e84 Minors 
Note to self CCF <> Clear Carry Flag LoL
 2021-01-28 10:04:29 +08:00
Wayne Warthen
9857dda5b5 Finish DEVICE API extension 2020-05-27 16:44:52 -07:00
Wayne Warthen
3f46921c6c Change PANIC behavior a bit 
- Also includes a fix for a build issue in PPIDE identified by Richard Deane.
 2020-05-18 15:33:28 -07:00
Dean Netherton
6d9172f635 Replace FAIL with git statusgit status! to force assembler to error 2020-04-26 10:27:19 +10:00
Dean Netherton
d4ebc44a98 HBIOS: Force the assembly to fail for vdu drivers if function table count is not correct 2020-04-21 16:34:51 +10:00
Dean Netherton
8c08f55d8f Whitespace changes (crlf) 2020-04-21 16:34:33 +10:00
Wayne Warthen
afd5c22264 Minor Cleanup 2020-01-17 15:06:57 -08:00
b1ackmai1er
6a4723f2f5 Update cvdu.asm 
Remove debug code
 2020-01-15 18:05:42 +08:00
b1ackmai1er
350b99778b Update cvdu.asm 
Remove debug code
 2020-01-15 18:02:40 +08:00
b1ackmai1er
b2b07a9d6e Initial compressed fonts support 
CVDU untested
 2020-01-15 17:58:30 +08:00
b1ackmai1er
da26366c0b Add 80x43 video mode to VGA3 driver 
With associated font file
 2020-01-10 11:26:31 +08:00
Wayne Warthen
231239f43f Finalize v2.9.0 Prerelease 0 
- New function dispatching logic
- Refactored interrupt management
 2018-01-16 16:30:37 -08:00
Wayne Warthen
fb6b1fd54a Add VGA3 Support 2017-06-30 21:50:10 -07:00
Wayne Warthen
521af19e50 VDA Device Initialization Flow Cleanup 2016-04-10 16:21:29 -07:00
Wayne Warthen
5154713644 Config Files Overhaul 2016-04-06 18:14:14 -07:00
Wayne Warthen
f9c7f30d2d Bug Fixes 2016-03-25 23:06:18 -07:00
Wayne Warthen
8aedfbb7f3 Add Device Summary Display 2016-03-25 21:20:05 -07:00
Wayne Warthen
b4fc05acfb Incorporate FDISK80 2016-03-21 17:05:57 -07:00
Wayne Warthen
5adbef5f68 Revised Emulation Services 2016-03-19 21:21:17 -07:00
wwarthen
de52c4f560 Reintegrate wbw -> trunk 2015-08-19 17:34:42 +00:00