Untested corrections to the NV2A clear function
Critical fix in the clear code - still untested
Fix QEMU bugs in AC97
More SO_ stuff
ACI/AC97 fixes WIP - experimental
NV2A DIRTY_MEMORY extended to code which looks like it has to do wit it - experimental
Alias support in memory_region_set_dirty
New DIRTY_MEMORY bits
Implemented xbox_smc_scratch option
WIP: Rewrote pgraph_update_surface to include zeta support. Some flags temporarily disabled and more verbose error checks. Also renamed nv_dma_map to nv_dma_load_and_map