mborik / gpmd85emulator Goto Github PK

REPAIR
Probably error in mapping keyboard

• The character " : " is mapped to the same key as the character " ; "
  ( After pressing this key is generated " : " , wrong )

• The key that should generate the character " : " is generates nothing.

> bad, noise sound - unacceptable high tones

Emulator crashes immediatelly after any snapshot is saved. Snapshot was always created correctly and can be loaded without any problem.

I tried it on older Gentoo Linux and another computer with updated Debian 9 Jessie.

It doesn't depend on PMD configuration (selected model, or enabled peripherals) or running software, even after reset just in monitor it crashes same way.

crash.txt

Popup dialog which could be shown for every block in Tape Browser has serious issue:

• it crashing after Import tape... was selected and File browser appears but after exiting from file browser without selection (ESC) it crash on NULL pointer exception (probably because it wipe out pointer to current menu item(s), but it doesn't explain why it works properly if file was chosen...?)
• consider if File browser dialog could be completely independent from all generic menus or submenus because of its menu-independent behaviour.

• every byte stored into VRAM memspace will be projected into union rectangle
• screen rendering will be performed only on that union rectangle so redrawing will be performed only on that part of screen witch was changed (and save the CPU if nothing changed)
• union rectangle should be reset to empty rectangle just before screen redrawing with be performed

When trying to compile the latest source of GPMD85 0.11.1912, compiler stops, complaining that saa/Makefile.in is not found.

M602 mouse support is implemented ?
Thnx f Y A

Changes on screen was seen only after some action in menu. For example:

• key M pressed
• nothing happen on screen
• entering a menu with AltGr+F1
• exiting from menu with Esc
• M showed in command prompt

Tested with current working copy in repo
Arch Linux
SDL2 v2.0.10

When I open the menu and navigate through various sub-menus, the emulator used to freeze in short time. I found it's because of the SDL_Delay calls in MenuOpen and MenuClose routines. In attachment is a patch to eliminate this.
menufix.txt

• proper timing of i8080 where should be taken into account also slowdown from the video-processor which shares a process time with i8080
• implement child class ChipCpu8080P with specific instruction timing

reference discussions and articles (in Czech or Slovak language):

• comment about final implementation in our Windows emulator
• Retro: Videoprocesor PMD 85
• Takty i8080 v PMD 85

• integrate SAASound library by Dave Hooper
• implement Mif85, child of PeripheralDevice
• integrate into IifTimer (8253)

hello,
is there any reason why is games.php excluded? i can see it in sourceforge archive, but not here.

There are still some ongoing regressions after resolving #3 (merged by #8) reported by some testers:

• ScreenPMD85::PrepareScreen must in every frame do the cleanup of full renderer/viewport.
• UserInterface::statusRect has invalid Y position (it depends on border size and calculation is incorrect)
• fix the tape progress-bar in the UserInterface::RedrawStatusBar

Poor quality of sound and music was not fixed.

• noisy
• unpleasant high pitch tones
• unpleasant interferences
• there are some slow-downs and lags

Originally posted by @zkolar75 in #14 (comment)

• split ChipMemory initialization into separate child classes appropriate to each model:
  • ChipMemory12
  • ChipMemory2A
  • ChipMemory3
  • ChipMemoryC2717
• implement 256K memory extension for models 2A a 3:
  • ChipMemory2AEx
  • ChipMemory3Ex
• extend base class with reset status and let all the child classes implement ResetOn a ResetOff methods
• let all the child classes to implement GetVramPointer method which returning address where VRAM is currently mapped

• Upgrade SDL library to version 2.x
  • it should improve overall performance and cross-platform compatibility
• Simplify screen rendering
  • remove OpenGL fragments which are still little bit unstable
  • remove the complex solution of scalers and scanliners
  • replace with simple texture scaling into renderer
• Scanliners
  • will be replaced with wrapped (or repeating) tiny overlay textures of black pixels with alpha channel and blended through the screen