MEGA65: Update vic4.c for fix for transparency issue

lgblgblgb / xemu

Emulations (running on Linux/Unix/Windows/macOS, utilizing SDL2) of some - mainly - 8 bit machines, including the Commodore LCD, Commodore 65, and the MEGA65 as well.

https://github.com/lgblgblgb/xemu/wiki

GNU General Public License v2.0

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MEGA65: Update vic4.c for fix for transparency issue #409

Closed RetroCogs closed 2 months ago

RetroCogs commented 3 months ago

this fixes issue #407

when GOTOX bit is set you need to set / clear transparency based on colorram0-bit7