wswan: Add read-only debug view access to I/O port space

WonderfulToolchain · Dec 20, 2024 · 73238cc · 73238cc
1 parent a4acce3
commit 73238cc
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/mednafen/src/wswan/memory.cpp b/mednafen/src/wswan/memory.cpp
@@ -548,6 +548,16 @@ static void GetAddressSpaceBytes(const char *name, uint32 Address, uint32 Length
    Buffer++;
   }
  }
+ else if(!strcmp(name, "ports"))
+ {
+  while(Length--)
+  {
+   Address &= 0xFF;
+   *Buffer = IsWW ? WSwan_readport_WW(Address) : WSwan_readport(Address);
+   Address++;
+   Buffer++;
+  }
+ }
  else if(!strcmp(name, "cs") || !strcmp(name, "ds") || !strcmp(name, "ss") || !strcmp(name, "es"))
  {
   uint32 segment;
@@ -864,6 +874,8 @@ void WSwan_MemoryInit(bool lang, bool IsWSC, uint32 ssize, bool IsWW_arg)
    ASpace_Add(GetAddressSpaceBytes, PutAddressSpaceBytes, "ds", "Data Segment", 16);
    ASpace_Add(GetAddressSpaceBytes, PutAddressSpaceBytes, "es", "Extra Segment", 16);
 
+   ASpace_Add(GetAddressSpaceBytes, PutAddressSpaceBytes, "ports", "I/O Ports", 8);
+
    ASpace_Add(GetAddressSpaceBytes, PutAddressSpaceBytes, "ieeprom", "Internal EEPROM", 11);
 
    if(sram_size)