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-rw-r--r--src/mame/namco/ns11prot.cpp495
1 files changed, 495 insertions, 0 deletions
diff --git a/src/mame/namco/ns11prot.cpp b/src/mame/namco/ns11prot.cpp
new file mode 100644
index 00000000000..b39e0dd98ee
--- /dev/null
+++ b/src/mame/namco/ns11prot.cpp
@@ -0,0 +1,495 @@
+// 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")