#define enhancement_disable() { \
psx_gpu->vram_out_ptr = psx_gpu->vram_ptr; \
psx_gpu->viewport_start_x = psx_gpu->saved_viewport_start_x; \
psx_gpu->viewport_start_y = psx_gpu->saved_viewport_start_y; \
psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x; \
psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y; \
#define enhancement_disable() { \
psx_gpu->vram_out_ptr = psx_gpu->vram_ptr; \
psx_gpu->viewport_start_x = psx_gpu->saved_viewport_start_x; \
psx_gpu->viewport_start_y = psx_gpu->saved_viewport_start_y; \
psx_gpu->viewport_end_x = psx_gpu->saved_viewport_end_x; \
psx_gpu->viewport_end_y = psx_gpu->saved_viewport_end_y; \