Clean-up mem_map constants and fix framebuffer translation errors

1 files changed, 11 insertions, 7 deletions

diff --git a/src/core/mem_map_funcs.cpp b/src/core/mem_map_funcs.cpp
index a161a8204..5878b99dc 100644
--- a/src/core/mem_map_funcs.cpp
+++ b/src/core/mem_map_funcs.cpp
@@ -23,10 +23,12 @@ VAddr PhysicalToVirtualAddress(const PAddr addr) {
     // to virtual address translations here. This is quite hacky, but necessary until we implement
     // proper MMU emulation.
     // TODO: Screw it, I'll let bunnei figure out how to do this properly.
-    if ((addr >= VRAM_PADDR) && (addr < VRAM_PADDR_END)) {
+    if (addr == 0) {
+        return 0;
+    } else if ((addr >= VRAM_PADDR) && (addr < VRAM_PADDR_END)) {
         return addr - VRAM_PADDR + VRAM_VADDR;
-    }else if ((addr >= FCRAM_PADDR) && (addr < FCRAM_PADDR_END)) {
-        return addr - FCRAM_PADDR + FCRAM_VADDR;
+    } else if ((addr >= FCRAM_PADDR) && (addr < FCRAM_PADDR_END)) {
+        return addr - FCRAM_PADDR + HEAP_LINEAR_VADDR;
     }
 
     LOG_ERROR(HW_Memory, "Unknown physical address @ 0x%08x", addr);
@@ -39,10 +41,12 @@ PAddr VirtualToPhysicalAddress(const VAddr addr) {
     // to virtual address translations here. This is quite hacky, but necessary until we implement
     // proper MMU emulation.
     // TODO: Screw it, I'll let bunnei figure out how to do this properly.
-    if ((addr >= VRAM_VADDR) && (addr < VRAM_VADDR_END)) {
-        return addr - 0x07000000;
-    } else if ((addr >= FCRAM_VADDR) && (addr < FCRAM_VADDR_END)) {
-        return addr - FCRAM_VADDR + FCRAM_PADDR;
+    if (addr == 0) {
+        return 0;
+    } else if ((addr >= VRAM_VADDR) && (addr < VRAM_VADDR_END)) {
+        return addr - VRAM_VADDR + VRAM_PADDR;
+    } else if ((addr >= HEAP_LINEAR_VADDR) && (addr < HEAP_LINEAR_VADDR_END)) {
+        return addr - HEAP_LINEAR_VADDR + FCRAM_PADDR;
     }
 
     LOG_ERROR(HW_Memory, "Unknown virtual address @ 0x%08x", addr);