Because the PSG/Pal/Sprite registers overlap with the top 1.5 KB of VRAM, this space is effectively unusable for graphics data. I am suggesting having a bit in CTRL turn on and off access to PSG/Pal/Sprite. This way, applications can use all 128 KB of VRAM by turning off this area temporarily.
Because the PSG/Pal/Sprite registers overlap with the top 1.5 KB of VRAM, this space is effectively unusable for graphics data. I am suggesting having a bit in
CTRL
turn on and off access to PSG/Pal/Sprite. This way, applications can use all 128 KB of VRAM by turning off this area temporarily.