Andre Leiradella

Unable to use the space bar when there's a CPC_JOYSTICK_DIGITAL attached

2

In `cpc_key_down/up`, if there's a `CPC_JOYSTICK_DIGITAL`, the space key will be converted to the joystick button `CPC_JOYSTICK_BTN0`, making it impossible to produce a space in the emulator. I'd love to...

Disassemble invalid uses of the DD and FD prefixes as NOP

3

Same as https://github.com/floooh/chips/pull/44 , but from a different branch.

State save

4

This PR implements state saving, both compressed and uncompressed, and implements loading of uncompressed states.

Glitch after snapshot save and load

1

Not sure what could be the cause, but saving the state and loading it back is causing a glitch in Tiny Dungeons. This is before saving:  When the state...

Hi, I'd like to extend sokol_gp to support to allow for premultiplied alpha. It seems that the easiest way to do it would be to add a new `sgp_blend_mode` type....

Update the core with the new version of the emulator

2

As noticed [here](https://github.com/libretro/81-libretro/issues/21), the EightyOne emulator has had many updates since the libretro port was made. The core should be updated to benefit from those updates.

Allow machines to run at either 50 or 60 Hz depending on a core option

1

This will provide smooth screen refreshes without tearing after the user set the core option to match his/her monitor refresh rate.

Acknowledge the interrupt request

9

When the Z80 has /M1 and /IORQ low, an 8-bit interrupt vector must be placed in the data bus. This PR fixes Parap Shock crashing in the menu, and likely...