TBL StartStruck demo Glitches at RPI4/CM4 default CPU clock (1.5GHZ)

[pcotter72]

This particular demo shows GFX glitches in using the RPI4/CM4 at default 1.5GHZ

Kernel used: git:98b83c7
CM4:

• Amiga 1200 1D4 Budgie Rev 0
• Overclocked to 1.8 GHZ (arm_freq=1800 in config.txt).
  No GFX corruption.
• Reset to default 1.5 GHZ (emu68info SETCLOCKRATE 1500)
  GFX corruption

PI4B:
1.8 GHZ (arm_boost=1 in config.txt)
At default 1.5 GHZ (emu68info SETCLOCKRATE 1500)

• GFX corruption
  At 1.8 GHZ (emu68info SETCLOCKRATE 1800)
  No GFX corruption.

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Demo download:
https://files.scene.org/view/parties/2006/assembly06/demo/tbl-starstruck-finalversion.zip
Movie by Kifla exposing the glitch:
https://github.com/michalsc/Emu68/assets/29791360/8c1ee2dc-32f8-4fa6-a314-3e8666be0f5c