psx_gpu->texture_page_ptr = psx_gpu->vram_ptr;
psx_gpu->clut_ptr = psx_gpu->vram_ptr;
+ psx_gpu->viewport_start_x = psx_gpu->viewport_start_y = 0;
+ psx_gpu->viewport_end_x = psx_gpu->viewport_end_y = 0;
psx_gpu->mask_msb = 0;
psx_gpu->texture_window_x = 0;