From f4ba8d7af8d86b183470ba96935108d8f28a84a3 Mon Sep 17 00:00:00 2001
From: JWS <james.surine@gmail.com>
Date: Fri, 3 May 2024 18:52:37 -0500
Subject: [PATCH 1/2] Add support for mapper 3E, 32K ROM 32K RAM Tigervision

---
 Cart_Reader/2600.ino | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/Cart_Reader/2600.ino b/Cart_Reader/2600.ino
index 13b9850..9ef901b 100644
--- a/Cart_Reader/2600.ino
+++ b/Cart_Reader/2600.ino
@@ -39,6 +39,7 @@ static const byte PROGMEM a2600mapsize[] = {
   0xFE, 2,  // Activision 8K
   0xF9, 2,  // "TP" Time Pilot 8K
   0x0A, 2,  // "UA" UA Ltd 8K
+  0x3E, 5,  // Tigervision 32K with 32K RAM
 };
 
 byte a2600mapcount = (sizeof(a2600mapsize) / sizeof(a2600mapsize[0])) / 2;
@@ -310,6 +311,14 @@ void readROM_2600() {
       readSegment_2600(0x1800, 0x2000);
       break;
 
+    case 0x3E:  // 3E Mapper 32KB ROM 32K RAM
+      for (int x = 0; x < 15; x++) {
+        writeData3F_2600(0x3F, x);
+        readSegment_2600(0x1000, 0x1800);
+      }
+      readSegment_2600(0x1800, 0x2000);
+      break;    
+
     case 0x40:  // 4K Default 4KB
       readSegment_2600(0x1000, 0x2000);
       break;
@@ -678,7 +687,7 @@ setmapper:
   Serial.println(F("1 = F6SC [Atari 16K \w RAM]"));
   Serial.println(F("2 = F8SC [Atari 8K \w RAM]"));
   Serial.println(F("3 = 2K [Standard 2K]"));
-  Serial.println(F("4 = 3F [Tigervision]"));
+  Serial.println(F("4 = 3F [Tigervision 8K]"));
   Serial.println(F("5 = 4K [Standard 4K]"));
   Serial.println(F("6 = CV [Commavid]"));
   Serial.println(F("7 = DPC [Pitfall II]"));
@@ -692,6 +701,7 @@ setmapper:
   Serial.println(F("15 = FE [Activision]"));
   Serial.println(F("16 = TP [Time Pilot 8K]"));
   Serial.println(F("17 = UA [UA Ltd]"));
+  Serial.println(F("18 = 3E [Tigervision 32K \w RAM]"));
   Serial.print(F("Enter Mapper [0-17]: "));
   while (Serial.available() == 0) {}
   newmap = Serial.readStringUntil('\n');

From 2c7265267117576c841394da73b773e355d7061a Mon Sep 17 00:00:00 2001
From: JWS <james.surine@gmail.com>
Date: Fri, 3 May 2024 20:34:26 -0500
Subject: [PATCH 2/2] Add support for X07 mapper (Stella's Stockings)

---
 Cart_Reader/2600.ino | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Cart_Reader/2600.ino b/Cart_Reader/2600.ino
index 9ef901b..15c43eb 100644
--- a/Cart_Reader/2600.ino
+++ b/Cart_Reader/2600.ino
@@ -40,6 +40,7 @@ static const byte PROGMEM a2600mapsize[] = {
   0xF9, 2,  // "TP" Time Pilot 8K
   0x0A, 2,  // "UA" UA Ltd 8K
   0x3E, 5,  // Tigervision 32K with 32K RAM
+  0x07, 6,  // X07 64K ROM
 };
 
 byte a2600mapcount = (sizeof(a2600mapsize) / sizeof(a2600mapsize[0])) / 2;
@@ -555,6 +556,12 @@ void readROM_2600() {
       readData_2600(0x240);
       readSegment_2600(0x1000, 0x2000);
       break;
+
+    case 0x07:  // X07 Mapper 64K
+      for (int x = 0; x < 16; x++) {
+        readData_2600(0x080D | (x << 4));
+        readSegment_2600(0x1000, 0x2000);
+      }
   }
   myFile.close();
 
@@ -590,6 +597,8 @@ void println_Mapper2600(byte mapper) {
     println_Msg(F("DPC"));
   else if (mapper == 0xF9)
     println_Msg(F("TP"));
+  else if (mapper == 0x07)
+    println_Msg(F("X07"));
   else
     println_Msg(mapper, HEX);
 #else
@@ -611,6 +620,8 @@ void println_Mapper2600(byte mapper) {
     Serial.println(F("DPC"));
   else if (mapper == 0xF9)
     Serial.println(F("TP"));
+  else if (mapper == 0x07)
+    Serial.println(F("X07"));
   else
     Serial.println(mapper, HEX);
 #endif