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2d854510e3b6518fffa523cb4945e1b8532d6d4e
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37 Commits

Author SHA1 Message Date
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