Sinclair ZX80 / ZX81 / Z88 Forums

chernandezba wrote:Are there any games (appart from Dragons Lair) which uses ZXpand, to test it?

Not a game, but I'm quite excited to see it working, even if in an emulator: Screens Slideshow

Hi,

I was looking for ZXpand information to emulate it in the 81-libretro and arrived here.

Do you have plans on releasing the source code of your ZXpand emulation?

Thanks,

Andre

Hi All, I've ported the Fuse emulator [1] to libretro earlier this year, and now I'm porting the EightyOne ZX81 emulator [2]. I'm having a strange problem and would appreciate some help. When RetroArch, the reference libretro front-end, loads a .P file into the emulator, I: 1. Load a snapshot of the...

Hi Derek,

I'm using an alternative video interrupt that frees IY. This was tested with a sprite blit routine in a ZX81 emulator even before I started working on the VM and works just fine.

Thanks,

Andre

Hi, I'm developing a stack-based VM in Z80 machine code. The VM supports multiple coroutines (cooperative multi-threading) and each coroutine has its own operands stack. I'm trying to use the SP register to handle the operands stacks. When testing the VM using a Z80 emulator, things run just fine. W...