Start removing ystart from props where it isn't required.

src/emucore/DefProps.hxx

@@ -43,11 +43,11 @@ static const char* DefProps[DEF_PROPS_SIZE][21] = {
   { "012020625a3227815e47b37fd025e480", "Rob Kudla", "", "Better Space Invaders (1999) (Rob Kudla) (Hack) [a]", "Hack of Space Invaders", "Hack", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "01293bd90a4579abb7aed2f7d440681f", "Century", "", "Snoopy (1983) (Century) (PAL)", "AKA Snoopy and the Red Baron", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "01297d9b450455dd716db9658efb2fae", "TechnoVision", "TVS1002", "Save Our Ship (1983) (TechnoVision) (PAL)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
-  { "012b8e6ef3b5fd5aabc94075c527709d", "Arcadia Corporation, Dennis Caswell", "AR-4302", "Party Mix (1983) (Arcadia)", "Uses the Paddle Controllers", "", "", "", "", "", "", "", "PADDLES", "PADDLES", "", "01 56", "", "24", "", "", "" }, 
+  { "012b8e6ef3b5fd5aabc94075c527709d", "Arcadia Corporation, Dennis Caswell", "AR-4302", "Party Mix (1983) (Arcadia)", "Uses the Paddle Controllers", "", "", "", "", "", "", "", "PADDLES", "PADDLES", "", "01 56", "", "", "", "", "" }, 
-  { "0164f26f6b38a34208cd4a2d0212afc3", "Coleco, Ed English", "2656", "Mr. Do! (1983) (Coleco)", "", "", "", "", "", "", "", "", "", "", "", "", "", "26", "", "YES", "" }, 
+  { "0164f26f6b38a34208cd4a2d0212afc3", "Coleco, Ed English", "2656", "Mr. Do! (1983) (Coleco)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "" }, 
-  { "0173675d40a8d975763ee493377ca87d", "CBS Electronics, Ed English", "4L1751", "Roc 'n Rope (1984) (CBS Electronics) (PAL)", "", "", "", "", "", "", "", "", "", "", "", "", "", "50", "", "", "" }, 
+  { "0173675d40a8d975763ee493377ca87d", "CBS Electronics, Ed English", "4L1751", "Roc 'n Rope (1984) (CBS Electronics) (PAL)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
-  { "01abcc1d2d3cba87a3aa0eb97a9d7b9c", "Jone Yuan Telephonic Enterprise Co", "", "Topy (Jone Yuan)", "2600 Screen Search Console", "", "", "", "", "", "", "", "", "", "", "", "", "30", "", "", "" }, 
+  { "01abcc1d2d3cba87a3aa0eb97a9d7b9c", "Jone Yuan Telephonic Enterprise Co", "", "Topy (Jone Yuan)", "2600 Screen Search Console", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
-  { "01b09872dcd9556427761f0ed64aa42a", "Galaga Games", "", "River Raid (1984) (Galaga Games)", "", "", "", "", "", "", "", "", "", "", "", "", "", "30", "", "", "" }, 
+  { "01b09872dcd9556427761f0ed64aa42a", "Galaga Games", "", "River Raid (1984) (Galaga Games)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "01cb3e8dfab7203a9c62ba3b94b4e59f", "Atari, Mimi Nyden, Scott Smith, Robert Vieira", "CX26127", "Gremlins (1984) (Atari)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "01e5c81258860dd82f77339d58bc5f5c", "CCE", "", "Corrida da Matematica (CCE)", "AKA Math Gran Prix", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "01e60a109a6a67c70d3c0528381d0187", "ITT Family Games, Perry Rhodan-Serie", "554-33 383", "Fire Birds (1983) (ITT Family Games) (PAL)", "AKA Sky Alien", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
@@ -58,7 +58,7 @@ static const char* DefProps[DEF_PROPS_SIZE][21] = {
   { "026180bf641ff17d8577c33facf0edea", "Activision, Steve Cartwright", "AX-022", "Seaquest (1983) (Activision) (8K)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "0277c449fae63f6f1c8f94dedfcf0058", "", "", "Laser Demo (B. Watson)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "027a59a575b78860aed780b2ae7d001d", "CCE", "", "Pressure Cooker (CCE)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
-  { "028024fb8e5e5f18ea586652f9799c96", "Coleco, Steve 'Jessica' Kitchen", "2468", "Carnival (1982) (Coleco)", "", "", "", "", "", "", "", "", "", "", "", "", "", "26", "214", "", "" }, 
+  { "028024fb8e5e5f18ea586652f9799c96", "Coleco, Steve 'Jessica' Kitchen", "2468", "Carnival (1982) (Coleco)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "214", "", "" }, 
   { "02811151906e477d47c135db5b1699c6", "", "", "FlickerSort Demo (Updated) (20-04-2002) (MP)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "02a5fc90a0d183f870e8eebac1f16591", "HES", "771-422", "2 Pak Special - Star Warrior, Frogger (1990) (HES) (PAL)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "02ab2c47bc21e7feafa015f90d7df776", "Atari", "MA017600", "Diagnostic Test Cartridge 2.6 (1982) (Atari) (Prototype)", "", "Prototype", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
@@ -66,7 +66,7 @@ static const char* DefProps[DEF_PROPS_SIZE][21] = {
   { "02cee0b140d2f1a1efcfb1d482a5c392", "Atari, Ed Logg, Carol Shaw - Sears", "CX2639 - 49-75162", "Othello (1981) (Atari) (4K)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "02dcba28c614fec7ca25955327128abb", "Andrew Wallace", "", "Laseresal 2002 (PAL) (PD) [a]", "", "New Release", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "02e3f4ba156fb578bef7d7a0bf3400c1", "", "", "Booster (Junkosoft) (PD)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
-  { "033e21521e0bf4e54e8816873943406d", "20th Century Fox Video Games, Dan Thompson", "11020", "Earth Dies Screaming, The (1983) (20th Century Fox)", "The Day the Earth Stood Still", "", "", "", "", "", "", "", "", "", "", "", "", "29", "", "", "" }, 
+  { "033e21521e0bf4e54e8816873943406d", "20th Century Fox Video Games, Dan Thompson", "11020", "Earth Dies Screaming, The (1983) (20th Century Fox)", "The Day the Earth Stood Still", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "034c1434280b0f2c9f229777d790d1e1", "Telegames", "5665 A016", "Baseball (1989) (Telegames) (PAL)", "AKA Super Challenge Baseball", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "0375f589f7da06d2d2be532e0d4d4b94", "", "", "Push (V0.04) (2001) (AD)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" }, 
   { "0383dc02cb82302da3d155fd108bfe3a", "AtariAge, Chris Spry", "26200", "Princess Rescue (2013) (Sprybug) (PAL60)", "Compatible with Genesis controller", "Homebrew", "", "", "", "", "", "", "", "", "", "", "PAL60", "", "", "YES", "" }, 

src/emucore/stella.pro

@@ -101,14 +101,12 @@
 "Controller.Left" "PADDLES"
 "Controller.Right" "PADDLES"
 "Controller.MouseAxis" "01 56"
-"Display.YStart" "24"
 ""
 
 "Cartridge.MD5" "0164f26f6b38a34208cd4a2d0212afc3"
 "Cartridge.Manufacturer" "Coleco, Ed English"
 "Cartridge.ModelNo" "2656"
 "Cartridge.Name" "Mr. Do! (1983) (Coleco)"
-"Display.YStart" "26"
 "Display.Phosphor" "YES"
 ""
 
@@ -116,20 +114,17 @@
 "Cartridge.Manufacturer" "CBS Electronics, Ed English"
 "Cartridge.ModelNo" "4L1751"
 "Cartridge.Name" "Roc 'n Rope (1984) (CBS Electronics) (PAL)"
-"Display.YStart" "50"
 ""
 
 "Cartridge.MD5" "01abcc1d2d3cba87a3aa0eb97a9d7b9c"
 "Cartridge.Manufacturer" "Jone Yuan Telephonic Enterprise Co"
 "Cartridge.Name" "Topy (Jone Yuan)"
 "Cartridge.Note" "2600 Screen Search Console"
-"Display.YStart" "30"
 ""
 
 "Cartridge.MD5" "01b09872dcd9556427761f0ed64aa42a"
 "Cartridge.Manufacturer" "Galaga Games"
 "Cartridge.Name" "River Raid (1984) (Galaga Games)"
-"Display.YStart" "30"
 ""
 
 "Cartridge.MD5" "01cb3e8dfab7203a9c62ba3b94b4e59f"
@@ -195,7 +190,6 @@
 "Cartridge.Manufacturer" "Coleco, Steve 'Jessica' Kitchen"
 "Cartridge.ModelNo" "2468"
 "Cartridge.Name" "Carnival (1982) (Coleco)"
-"Display.YStart" "26"
 "Display.Height" "214"
 ""
 
@@ -243,7 +237,6 @@
 "Cartridge.ModelNo" "11020"
 "Cartridge.Name" "Earth Dies Screaming, The (1983) (20th Century Fox)"
 "Cartridge.Note" "The Day the Earth Stood Still"
-"Display.YStart" "29"
 ""
 
 "Cartridge.MD5" "034c1434280b0f2c9f229777d790d1e1"
@@ -294,7 +287,6 @@
 "Cartridge.ModelNo" "CA285"
 "Cartridge.Name" "Wall-Defender (1983) (Bomb)"
 "Cartridge.Note" "AKA Wall Break"
-"Display.YStart" "30"
 ""
 
 "Cartridge.MD5" "04014d563b094e79ac8974366f616308"
@@ -318,7 +310,6 @@
 "Cartridge.Manufacturer" "M Network, Patricia Lewis Du Long, Ron Surratt - INTV"
 "Cartridge.ModelNo" "MT4518"
 "Cartridge.Name" "BurgerTime (1983) (M Network)"
-"Display.YStart" "26"
 ""
 
 "Cartridge.MD5" "045035f995272eb2deb8820111745a07"
@@ -326,7 +317,6 @@
 "Cartridge.ModelNo" "AR-4401"
 "Cartridge.Name" "Survival Island (1983) (Arcadia)"
 "Cartridge.Note" "AKA Jungle Raid"
-"Display.YStart" "30"
 ""
 
 "Cartridge.MD5" "047ac3b9faea64522b7a23c4465a7aa8"
@@ -537,7 +527,6 @@
 "Cartridge.MD5" "073d7aff37b7601431e4f742c36c0dc1"
 "Cartridge.Name" "Bermuda (Unknown) (PAL)"
 "Cartridge.Note" "AKA River Raid"
-"Display.YStart" "10"
 ""
 
 "Cartridge.MD5" "074ec425ec20579e64a7ded592155d48"
@@ -551,7 +540,6 @@
 "Cartridge.ModelNo" "C-803"
 "Cartridge.Name" "Bobby Is Going Home (1983) (CCE)"
 "Cartridge.Note" "AKA Bobby Vai Para Casa"
-"Display.YStart" "31"
 ""
 
 "Cartridge.MD5" "0751f342ee4cf28f2c9a6e8467c901be"
@@ -838,7 +826,6 @@
 "Cartridge.Name" "Towering Inferno (1982) (U.S. Games)"
 "Cartridge.Note" "Uses the Joystick Controllers (swapped)"
 "Console.SwapPorts" "YES"
-"Display.YStart" "30"
 "Display.Height" "220"
 "Display.Phosphor" "YES"
 ""
@@ -905,7 +892,6 @@
 "Cartridge.Manufacturer" "Tigervision, Karl T. Olinger - Teldec"
 "Cartridge.ModelNo" "7-001 - 3.60001 VE"
 "Cartridge.Name" "King Kong (1982) (Tigervision) (PAL) [a]"
-"Display.YStart" "20"
 ""
 
 "Cartridge.MD5" "0b17ed42984000da8b727ca46143f87a"
@@ -961,7 +947,6 @@
 "Cartridge.ModelNo" "CX26118"
 "Cartridge.Name" "Millipede (01-04-1984) (Atari) (Prototype)"
 "Cartridge.Rarity" "Prototype"
-"Display.YStart" "30"
 ""
 
 "Cartridge.MD5" "0bf1e354304f46c0caf8fc0f6f5e9525"