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vram32 small optim

This commit is contained in:
Flyinghead 2020-02-25 12:52:53 +01:00
parent dd29a62811
commit 0ef54aa16b
1 changed files with 1 additions and 2 deletions
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3
core/hw/pvr/pvr_mem.cpp
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@ -284,8 +284,7 @@ extern "C" void DYNACALL TAWriteSQ(u32 address,u8* sqb)
static u32 pvr_map32(u32 offset32) static u32 pvr_map32(u32 offset32)
{ {
//64b wide bus is achieved by interleaving the banks every 32 bits //64b wide bus is achieved by interleaving the banks every 32 bits
const u32 bank_bit = VRAM_BANK_BIT; const u32 static_bits = VRAM_MASK - (VRAM_BANK_BIT * 2 - 1) + 3;
const u32 static_bits = (VRAM_MASK - (VRAM_BANK_BIT * 2 - 1)) | 3;
const u32 offset_bits = (VRAM_BANK_BIT - 1) & ~3; const u32 offset_bits = (VRAM_BANK_BIT - 1) & ~3;
u32 bank = (offset32 & VRAM_BANK_BIT) / VRAM_BANK_BIT; u32 bank = (offset32 & VRAM_BANK_BIT) / VRAM_BANK_BIT;