// license:BSD-3-Clause // copyright-holders:smf /* * Namco System 11 Protection * * The 409 has been decapped and verified to be a ULA, so probably every keycus is. */ #include "emu.h" #include "ns11prot.h" ns11_keycus_device::ns11_keycus_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, type, tag, owner, clock) { } void ns11_keycus_device::device_start() { save_item( NAME( m_p1 ) ); save_item( NAME( m_p2 ) ); save_item( NAME( m_p3 ) ); } void ns11_keycus_device::device_reset() { m_p1 = 0; m_p2 = 0; m_p3 = 0; } /* tekken 2 */ keycus_c406_device::keycus_c406_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C406, tag, owner, clock) { } uint16_t keycus_c406_device::read(offs_t offset) { if( offset == 0 && m_p1 == 0x1234 && m_p2 == 0x5678 && m_p3 == 0x000f ) { return 0x3256; } logerror( "keycus_c406_device::read unexpected offset=%d m_p1=%04x m_p2=%04x m_p3=%04x\n", offset, m_p1, m_p2, m_p3 ); return machine().rand(); } void keycus_c406_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 1: m_p1 = data; return; case 2: m_p2 = data; return; case 3: m_p3 = data; return; } logerror( "keycus_c406_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C406, keycus_c406_device, "keycus_c406", "Namco C406 KEYCUS") /* soul edge */ keycus_c409_device::keycus_c409_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C409, tag, owner, clock) { } uint16_t keycus_c409_device::read(offs_t offset) { if( offset == 7 ) { int a2 = (m_p1 - 0x01) & 0x1f; int a3 = (0x20 - m_p1) & 0x1f; int r = (((m_p2 & 0x1f) * a2) + ((m_p3 & 0x1f) * a3)) / 0x1f; int g = ((((m_p2 >> 5) & 0x1f) * a2) + (((m_p3 >> 5) & 0x1f) * a3)) / 0x1f; int b = ((((m_p2 >> 10) & 0x1f) * a2) + (((m_p3 >> 10) & 0x1f) * a3)) / 0x1f; return r | (g << 5) | (b << 10); } logerror( "keycus_c409_device::read unexpected offset=%d m_p1=%04x m_p2=%04x m_p3=%04x\n", offset, m_p1, m_p2, m_p3 ); return machine().rand(); } void keycus_c409_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 1: m_p1 = data; return; case 3: m_p2 = data; return; case 7: m_p3 = data; return; } logerror( "keycus_c409_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C409, keycus_c409_device, "keycus_c409", "Namco C409 KEYCUS") /* dunk mania */ keycus_c410_device::keycus_c410_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C410, tag, owner, clock) { } uint16_t keycus_c410_device::read(offs_t offset) { if( m_p2 == 0 ) { uint16_t value = m_p1; if( value == 0xfffe ) { value = 410; } switch(offset) { case 1: return ( ( value / 1 ) % 10 ); case 2: return ( ( value / 100 ) % 10 ) | ( ( ( value / 1000 ) % 10 ) << 8 ); case 3: return ( ( value / 10000 ) % 10 ) | ( ( ( value / 10 ) % 10 ) << 8 ); } } logerror( "keycus_c410_device::read unexpected offset=%d m_p1=%04x m_p2=%04x\n", offset, m_p1, m_p2 ); return machine().rand(); } void keycus_c410_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 0: m_p1 = data; return; case 2: m_p2 = data; return; } logerror( "keycus_c410_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C410, keycus_c410_device, "keycus_c410", "Namco C410 KEYCUS") /* prime goal ex */ keycus_c411_device::keycus_c411_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C411, tag, owner, clock) { } uint16_t keycus_c411_device::read(offs_t offset) { if( m_p2 == 0x0000 && ( ( ( m_p1 == 0x0000 || m_p1 == 0x100 ) && m_p3 == 0xff7f ) || ( m_p1 == 0x7256 ) ) ) { uint16_t value = m_p3; if( m_p1 != 0x7256 ) { value = 411; } switch( offset ) { case 0: return ( ( ( value / 10 ) % 10 ) << 8 ) | ( ( value / 1 ) % 10 ); case 2: return ( ( ( value / 1000 ) % 10 ) << 8 ) | ( ( value / 100 ) % 10 ); case 8: return ( ( value / 10000 ) % 10 ); } } logerror( "keycus_c411_device::read unexpected offset=%d m_p1=%04x m_p2=%04x m_p3=%04x\n", offset, m_p1, m_p2, m_p3 ); return machine().rand(); } void keycus_c411_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 2: m_p1 = data; return; case 8: m_p2 = data; return; case 10: m_p3 = data; return; } logerror( "keycus_c411_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C411, keycus_c411_device, "keycus_c411", "Namco C411 KEYCUS") /* xevious 3d/g */ keycus_c430_device::keycus_c430_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C430, tag, owner, clock) { } uint16_t keycus_c430_device::read(offs_t offset) { if( m_p2 == 0x0000 && ( ( m_p1 == 0xbfff && m_p3 == 0x0000 ) || m_p3 == 0xe296 ) ) { uint16_t value = m_p1; if( m_p3 != 0xe296 ) { value = 430; } switch( offset ) { case 1: return ( ( value / 10000 ) % 10 ); case 4: return ( ( value / 100 ) % 10 ) | ( ( ( value / 1000 ) % 10 ) << 8 ); case 5: return ( ( value / 1 ) % 10 ) | ( ( ( value / 10 ) % 10 ) << 8 ); } } logerror( "keycus_c430_device::read unexpected offset=%d m_p1=%04x m_p2=%04x\n", offset, m_p1, m_p2 ); return machine().rand(); } void keycus_c430_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 0: m_p1 = data; return; case 1: m_p2 = data; return; case 4: m_p3 = data; return; } logerror( "keycus_c430_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C430, keycus_c430_device, "keycus_c430", "Namco C430 KEYCUS") /* dancing eyes */ keycus_c431_device::keycus_c431_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C431, tag, owner, clock) { } uint16_t keycus_c431_device::read(offs_t offset) { if( m_p2 == 0x0000 && ( ( ( m_p1 == 0x0000 || m_p1 == 0xab50 ) && m_p3 == 0x7fff ) || m_p1 == 0x9e61 ) ) { uint16_t value = m_p3; if( m_p1 != 0x9e61 ) { value = 431; } switch( offset ) { case 0: return ( ( value / 1 ) % 10 ) | ( ( ( value / 10 ) % 10 ) << 8 ); case 4: return ( ( value / 100 ) % 10 ) | ( ( ( value / 1000 ) % 10 ) << 8 ); case 8: return ( value / 10000 ) % 10; } } logerror( "keycus_c431_device::read unexpected offset=%d m_p1=%04x m_p2=%04x m_p3=%04x\n", offset, m_p1, m_p2, m_p3 ); return machine().rand(); } void keycus_c431_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 0: m_p1 = data; return; case 4: m_p2 = data; return; case 12: m_p3 = data; return; } logerror( "keycus_c431_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C431, keycus_c431_device, "keycus_c431", "Namco C431 KEYCUS") /* pocket racer */ keycus_c432_device::keycus_c432_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C432, tag, owner, clock) { } uint16_t keycus_c432_device::read(offs_t offset) { if( m_p1 == 0x0000 && ( ( ( m_p3 == 0x0000 || m_p3 == 0x00dc ) && m_p2 == 0xefff ) || m_p3 == 0x2f15 ) ) { uint16_t value = m_p2; if( m_p3 != 0x00002f15 ) { value = 432; } switch( offset ) { case 2: return ( ( value / 1 ) % 10 ) | ( ( ( value / 10 ) % 10 ) << 8 ); case 4: return ( ( value / 100 ) % 10 ) | ( ( ( value / 1000 ) % 10 ) << 8 ); case 6: return ( ( value / 10000 ) % 10 ) | ( ( ( value / 100000 ) % 10 ) << 8 ); } } logerror( "keycus_c432_device::read unexpected offset=%d m_p1=%04x m_p2=%04x m_p3=%04x\n", offset, m_p1, m_p2, m_p3 ); return machine().rand(); } void keycus_c432_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 0: m_p1 = data; return; case 2: m_p2 = data; return; case 6: m_p3 = data; return; } logerror( "keycus_c432_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C432, keycus_c432_device, "keycus_c432", "Namco C432 KEYCUS") /* star sweep */ keycus_c442_device::keycus_c442_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C442, tag, owner, clock) { } uint16_t keycus_c442_device::read(offs_t offset) { if( ( offset == 0 && m_p1 == 0x0020 && m_p2 == 0x0000 ) || ( offset == 0 && m_p1 == 0x0020 && m_p2 == 0x0021 ) ) { return 0x0000; } if( ( offset == 1 && m_p1 == 0x0020 && m_p2 == 0x0020 ) || ( offset == 1 && m_p1 == 0x0020 && m_p2 == 0x3af2 ) ) { return 0x0000; } if( ( offset == 1 && m_p1 == 0x0020 && m_p2 == 0x0021 ) ) { return 0xc442; } logerror( "keycus_c442_device::read unexpected offset=%d m_p1=%04x m_p2=%04x\n", offset, m_p1, m_p2 ); return machine().rand(); } void keycus_c442_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 0: m_p1 = data; return; case 1: m_p2 = data; return; } logerror( "keycus_c442_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C442, keycus_c442_device, "keycus_c442", "Namco C442 KEYCUS") /* kosodate quiz my angel 3 / point blank 2 */ keycus_c443_device::keycus_c443_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : ns11_keycus_device(mconfig, KEYCUS_C443, tag, owner, clock) { } uint16_t keycus_c443_device::read(offs_t offset) { if( offset == 0 && m_p1 == 0x0020 && ( m_p2 == 0x0000 || m_p2 == 0xffff || m_p2 == 0xffe0 ) ) { return 0x0020; } if( offset == 1 && m_p1 == 0x0020 && m_p2 == 0xffdf ) { return 0x0000; } if( offset == 1 && m_p1 == 0x0020 && ( m_p2 == 0xffff || m_p2 == 0xffe0 ) ) { return 0xc443; } logerror( "keycus_c443_device::read unexpected offset=%d m_p1=%04x m_p2=%04x\n", offset, m_p1, m_p2 ); return machine().rand(); } void keycus_c443_device::write(offs_t offset, uint16_t data) { switch( offset ) { case 0: m_p1 = data; return; case 1: m_p2 = data; return; } logerror( "keycus_c443_device::write unexpected offset=%d data=%04x\n", offset, data ); } DEFINE_DEVICE_TYPE(KEYCUS_C443, keycus_c443_device, "keycus_c443", "Namco C443 KEYCUS")