ShuriZma
/
stella
mirror of https://github.com/stella-emu/stella.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Further improvements to '3E' bankswitch autodetection. We're now down 

to requiring only 4 entries out of 2722 ROMs where auto-detection fails.


git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1321 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
This commit is contained in:
stephena 2007-06-09 23:20:19 +00:00
parent 03c533e0b9
commit c4fa58b38f
3 changed files with 25 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
stella/src/emucore/Cart.cxx
View File

@ -13,7 +13,7 @@
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: Cart.cxx,v 1.32 2007-06-08 12:36:51 stephena Exp $
// $Id: Cart.cxx,v 1.33 2007-06-09 23:20:16 stephena Exp $
//============================================================================
#include <cassert>
@ -203,6 +203,8 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
type = "E0";
else if(isProbably3F(image, size))
type = isProbably3E(image, size) ? "3E" : "3F";
else if(isProbably3E(image, size))
type = "3E";
else if(isProbablyUA(image, size))
type = "UA";
else if(isProbablyFE(image, size))
@ -230,6 +232,8 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
type = "E7";
else if(isProbably3F(image, size))
type = isProbably3E(image, size) ? "3E" : "3F";
else if(isProbably3E(image, size))
type = "3E";
else
type = "F6";
}
@ -239,6 +243,8 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
type = "F4SC";
else if(isProbably3F(image, size))
type = isProbably3E(image, size) ? "3E" : "3F";
else if(isProbably3E(image, size))
type = "3E";
else
type = "F4";
}
@ -247,6 +253,8 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
// TODO - autodetect 4A50
if(isProbably3F(image, size))
type = isProbably3E(image, size) ? "3E" : "3F";
else if(isProbably3E(image, size))
type = "3E";
else
type = "MB";
}
@ -255,6 +263,8 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
// TODO - autodetect 4A50
if(isProbably3F(image, size))
type = isProbably3E(image, size) ? "3E" : "3F";
else if(isProbably3E(image, size))
type = "3E";
else
type = "MC";
}
@ -262,6 +272,8 @@ string Cartridge::autodetectType(const uInt8* image, uInt32 size)
{
if(isProbably3F(image, size))
type = isProbably3E(image, size) ? "3E" : "3F";
else if(isProbably3E(image, size))
type = "3E";
else
type = "4K"; // Most common bankswitching type
}
@ -318,15 +330,17 @@ bool Cartridge::isProbably3F(const uInt8* image, uInt32 size)
// We expect it will be present at least 2 times, since there are
// at least two banks
uInt8 signature[] = { 0x85, 0x3F }; // STA $3F
return searchForBytes(image, size, signature, 2) > 2;
return searchForBytes(image, size, signature, 2) > 1;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
bool Cartridge::isProbably3E(const uInt8* image, uInt32 size)
{
// TODO - fix this one, once I find a test ROM
uInt8 signature[] = { 0x85, 0x3E };
return searchForBytes(image, size, signature, 2) > 2;
// 3E cart bankswitching is triggered by storing the bank number
// in address 3E using 'STA $3E', commonly followed by an
// immediate mode LDA
uInt8 signature[] = { 0x85, 0x3E, 0xA9, 0x00 }; // STA $3E; LDA #$00
return searchForBytes(image, size, signature, 4) > 0;
}
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

8
stella/src/emucore/DefProps.hxx
View File

@ -1302,7 +1302,7 @@ static const char* DefProps[2722][21] = {
{ "79004f84bdeee78d142e445057883169", "CCE", "", "Planet Patrol (CCE) [!]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "791bc8aceb6b0f4d9990d6062b30adfa", "Activision", "AB-035-04", "Pitfall! (1982) (Activision) (PAL) [!]", "", "Rare", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "7926083ad423ed685de3b3a04a914315", "Barry Laws Jr.", "", "Face Invaders 2 by Barry Laws Jr. (Space Invaders Hack)", "Hack of Astroblast (Mattel)", "New Release (Hack)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "792b1d93eb1d8045260c840b0688ec8f", "Kroko", "", "3E Bankswitch Test (TIA @ $00)", "", "", "", "3E", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "792b1d93eb1d8045260c840b0688ec8f", "Kroko", "", "3E Bankswitch Test (TIA @ $00)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "7972e5101fa548b952d852db24ad6060", "Atari", "CX2627 / 6699841", "Human Cannonball (AKA Cannon Man) (1978) (Atari)", "", "Uncommon", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "798b8921276eec9e332dfcb47a2dbb17", "", "", "Cookie Monster Munch (1983) (Atari) (PAL) [a1][!]", "Uses Kids/Keypad Controllers", "", "", "", "", "", "", "", "KEYBOARD", "KEYBOARD", "", "", "", "", "", "", "" },
{ "798cc114f1623c14085868cd3494fe8e", "", "", "Pins Revenge (Atari Freak 1)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
@ -1499,7 +1499,7 @@ static const char* DefProps[2722][21] = {
{ "8b5b1e3a434ebbdc2c2a49dc68f46360", "", "2451", "Donkey Kong (1983) (CBS Electronics) (PAL) [a1][!]", "", "Common", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "8b7ca29a55432f886cee3d452fb00481", "Starpath", "AR-4201", "Sword of Saros (1983) (Starpath) (PAL)", "", "Extremely Rare", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "8b81af55cd2ef3c7444d6aec4e3a1c09", "", "", "Dark Mage [b1]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "", "" },
{ "8bbfd951c89cc09c148bfabdefa08bec", "UA Limited", "", "Pleiades (UA Limited)", "", "Prototype", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "", "" },
{ "8bbfd951c89cc09c148bfabdefa08bec", "UA Limited", "", "Pleiades (UA Limited)", "", "Prototype", "", "", "", "", "", "", "", "", "", "", "32", "", "YES", "", "" },
{ "8bc0d2052b4f259e7a50a7c771b45241", "Xonox", "", "Tomarc the Barbarian (1983) (Xonox)", "", "Rare", "", "", "", "", "", "", "", "", "", "", "24", "", "", "", "" },
{ "8bd8f65377023bdb7c5fcf46ddda5d31", "Activision", "AG-019", "Sky Jinks (1982) (Activision) [o1]", "", "Rare", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "8bebac614571135933116045204f0f00", "", "", "Missile Command (CX-22 Trackball) (PAL) (2002) (TJ)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "", "" },
@ -1645,7 +1645,7 @@ static const char* DefProps[2722][21] = {
{ "9ab72d3fd2cc1a0c9adb504502579037", "Epyx", "8056100286", "California Games (1988) (Epyx) [!]", "", "Rare", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "9ad362179c2eea4ea115c7640b4b003e", "Activision", "AX-013", "Barnstorming (1982) (Activision) [p1][!]", "", "Uncommon", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "9ad36e699ef6f45d9eb6c4cf90475c9f", "Imagic", "IA3203", "Atlantis (1982) (Imagic) [!]", "", "Uncommon", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "9b150a42fc788960fbb4cbe250259ee2", "Kroko", "", "3E Bankswitch Test (TIA @ $40)", "", "", "", "3E", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "9b150a42fc788960fbb4cbe250259ee2", "Kroko", "", "3E Bankswitch Test (TIA @ $40)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "9b21d8fc78cc4308990d99a4d906ec52", "", "C-838", "Immies & Aggies (CCE)", "", "Extremely Rare", "", "", "", "", "", "", "", "", "", "", "18", "223", "", "", "" },
{ "9b246683f44c963a50e41d6b485bee77", "", "", "Boring (PAL) (AD)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "9bb136b62521c67ac893213e01dd338f", "", "", "Spike's Peak (1983) (Xonox) (PAL) [a1][!]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
@ -1911,7 +1911,7 @@ static const char* DefProps[2722][21] = {
{ "b5a1a189601a785bdb2f02a424080412", "Imagic", "IA3410", "Shootin' Gallery (1982) (Imagic)", "", "Extremely Rare", "", "", "", "", "", "", "", "", "", "", "29", "", "", "", "" },
{ "b5cb9cf6e668ea3f4cc2be00ea70ec3c", "CommaVid", "CM-005", "Mines of Minos (1982) (CommaVid) (PAL) [!]", "", "Extremely Rare", "", "", "", "", "", "", "", "", "", "", "", "", "YES", "", "" },
{ "b6166f15720fdf192932f1f76df5b65d", "Amiga", "3130", "Off Your Rocker (1983) (Amiga)", "", "Extremely Rare", "", "", "", "", "", "", "", "", "", "", "27", "", "", "", "" },
{ "b65d4a38d6047735824ee99684f3515e", "", "", "Megaboy (Brazil) (PAL) [!]", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "b65d4a38d6047735824ee99684f3515e", "", "", "Megaboy (Brazil) (PAL) [!]", "", "", "", "", "", "", "", "", "", "", "", "", "30", "", "", "", "" },
{ "b676a9b7094e0345a76ef027091d916b", "Video Gems / Thomas Jentzsch", "", "Mission Survive (1983) (NTSC by Thomas Jentzsch)", "", "New Release (Video Format Conversion)", "", "", "", "A", "", "", "", "", "", "", "", "", "YES", "", "" },
{ "b6812eaf87127f043e78f91f2028f9f4", "Simage", "", "Eli's Ladder (Simage)", "", "Unbelievably Rare", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },
{ "b6821ac51c4c1dcb283f01be2f047dc1", "", "", "Rubik's Cube 3D Demo (25-11-2002) (TJ)", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "" },

4
stella/src/emucore/stella.pro
View File

@ -68,13 +68,11 @@
"Cartridge.MD5" "9b150a42fc788960fbb4cbe250259ee2"
"Cartridge.Manufacturer" "Kroko"
"Cartridge.Name" "3E Bankswitch Test (TIA @ $40)"
"Cartridge.Type" "3E"
""
"Cartridge.MD5" "792b1d93eb1d8045260c840b0688ec8f"
"Cartridge.Manufacturer" "Kroko"
"Cartridge.Name" "3E Bankswitch Test (TIA @ $00)"
"Cartridge.Type" "3E"
""
"Cartridge.MD5" "0685bd0bcb975ceef7041749a5454a48"
@ -8775,6 +8773,7 @@
"Cartridge.Manufacturer" "UA Limited"
"Cartridge.Name" "Pleiades (UA Limited)"
"Cartridge.Rarity" "Prototype"
"Display.YStart" "32"
"Display.Phosphor" "YES"
""
@ -11144,6 +11143,7 @@
"Cartridge.MD5" "b65d4a38d6047735824ee99684f3515e"
"Cartridge.Name" "Megaboy (Brazil) (PAL) [!]"
"Display.YStart" "30"
""
"Cartridge.MD5" "b5cb9cf6e668ea3f4cc2be00ea70ec3c"