diff options
Diffstat (limited to 'src/mame/old/kog_prot.cpp')
-rw-r--r-- | src/mame/old/kog_prot.cpp | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/src/mame/old/kog_prot.cpp b/src/mame/old/kog_prot.cpp deleted file mode 100644 index a926282bea4..00000000000 --- a/src/mame/old/kog_prot.cpp +++ /dev/null @@ -1,118 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:S. Smith,David Haywood -#include "emu.h" -#include "kog_prot.h" - - - -const device_type KOG_PROT = device_creator<kog_prot_device>; - - -kog_prot_device::kog_prot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : device_t(mconfig, KOG_PROT, "NeoGeo Protection (King of Gladiator)", tag, owner, clock, "kog_prot", __FILE__), - m_jumper(*this, "JUMPER") -{ -} - - -void kog_prot_device::device_start() -{ -} - -void kog_prot_device::device_reset() -{ -} - -READ16_MEMBER(kog_prot_device::read_jumper) -{ - return ioport("JUMPER")->read(); -} - -void kog_prot_device::kog_install_protection(cpu_device* maincpu) -{ - /* overlay cartridge ROM */ - maincpu->space(AS_PROGRAM).install_read_handler(0x0ffffe, 0x0fffff, read16_delegate(FUNC(kog_prot_device::read_jumper), this)); -} - - -/* The King of Gladiator (The King of Fighters '97 bootleg) */ - - -/* The protection patching here may be incomplete - Thanks to Razoola for the info */ - -void kog_prot_device::kog_px_decrypt(uint8_t* cpurom, uint32_t cpurom_size) -{ - /* the protection chip does some *very* strange things to the rom */ - uint8_t *src = cpurom; - std::vector<uint8_t> dst( 0x600000 ); - uint16_t *rom = (uint16_t *)cpurom; - int i; - static const int sec[] = { 0x3, 0x8, 0x7, 0xC, 0x1, 0xA, 0x6, 0xD }; - - for (i = 0; i < 8; i++){ - memcpy (&dst[i * 0x20000], src + sec[i] * 0x20000, 0x20000); - } - - memcpy (&dst[0x0007A6], src + 0x0407A6, 0x000006); - memcpy (&dst[0x0007C6], src + 0x0407C6, 0x000006); - memcpy (&dst[0x0007E6], src + 0x0407E6, 0x000006); - memcpy (&dst[0x090000], src + 0x040000, 0x004000); - memcpy (&dst[0x100000], src + 0x200000, 0x400000); - memcpy (src, &dst[0], 0x600000); - - for (i = 0x90000/2; i < 0x94000/2; i++){ - if (((rom[i]&0xFFBF) == 0x4EB9 || rom[i] == 0x43F9) && !rom[i + 1]) - rom[i + 1] = 0x0009; - - if (rom[i] == 0x4EB8) - rom[i] = 0x6100; - } - - rom[0x007A8/2] = 0x0009; - rom[0x007C8/2] = 0x0009; - rom[0x007E8/2] = 0x0009; - rom[0x93408/2] = 0xF168; - rom[0x9340C/2] = 0xFB7A; - rom[0x924AC/2] = 0x0009; - rom[0x9251C/2] = 0x0009; - rom[0x93966/2] = 0xFFDA; - rom[0x93974/2] = 0xFFCC; - rom[0x93982/2] = 0xFFBE; - rom[0x93990/2] = 0xFFB0; - rom[0x9399E/2] = 0xFFA2; - rom[0x939AC/2] = 0xFF94; - rom[0x939BA/2] = 0xFF86; - rom[0x939C8/2] = 0xFF78; - rom[0x939D4/2] = 0xFA5C; - rom[0x939E0/2] = 0xFA50; - rom[0x939EC/2] = 0xFA44; - rom[0x939F8/2] = 0xFA38; - rom[0x93A04/2] = 0xFA2C; - rom[0x93A10/2] = 0xFA20; - rom[0x93A1C/2] = 0xFA14; - rom[0x93A28/2] = 0xFA08; - rom[0x93A34/2] = 0xF9FC; - rom[0x93A40/2] = 0xF9F0; - rom[0x93A4C/2] = 0xFD14; - rom[0x93A58/2] = 0xFD08; - rom[0x93A66/2] = 0xF9CA; - rom[0x93A72/2] = 0xF9BE; - -} - - -static INPUT_PORTS_START( kog ) - /* a jumper on the pcb overlays a ROM address, very strange but that's how it works. */ - PORT_START("JUMPER") - PORT_DIPNAME( 0x0001, 0x0001, "Title Language" ) PORT_DIPLOCATION("CART-JUMPER:1") - PORT_DIPSETTING( 0x0001, DEF_STR( English ) ) - PORT_DIPSETTING( 0x0000, "Non-English" ) - PORT_BIT( 0x00fe, IP_ACTIVE_HIGH, IPT_UNUSED ) - PORT_BIT( 0xff00, IP_ACTIVE_LOW, IPT_UNUSED ) -INPUT_PORTS_END - -ioport_constructor kog_prot_device::device_input_ports() const -{ - return INPUT_PORTS_NAME( kog ); -} |