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-rw-r--r--src/devices/cpu/tlcs900/tlcs900.c2202
1 files changed, 2202 insertions, 0 deletions
diff --git a/src/devices/cpu/tlcs900/tlcs900.c b/src/devices/cpu/tlcs900/tlcs900.c
new file mode 100644
index 00000000000..c11dc9c08a9
--- /dev/null
+++ b/src/devices/cpu/tlcs900/tlcs900.c
@@ -0,0 +1,2202 @@
+// license:BSD-3-Clause
+// copyright-holders:Wilbert Pol
+/*******************************************************************
+
+Toshiba TLCS-900/H emulation
+
+This code only supports the 900/H mode which is needed for Neogeo
+Pocket emulation. The 900 and 900/M modes are not supported yet.
+
+
+TODO:
+- review cycle counts
+- implement the remaining internal mcu features (serial transfer, etc)
+- add support for 900 and 900/M modes
+
+*******************************************************************/
+
+#include "emu.h"
+#include "debugger.h"
+#include "tlcs900.h"
+
+
+const device_type TMP95C061 = &device_creator<tmp95c061_device>;
+const device_type TMP95C063 = &device_creator<tmp95c063_device>;
+
+
+static ADDRESS_MAP_START( tmp95c061_mem8, AS_PROGRAM, 8, tmp95c061_device )
+ AM_RANGE( 0x000000, 0x00007f ) AM_READWRITE( internal_r, internal_w )
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( tmp95c061_mem16, AS_PROGRAM, 16, tmp95c061_device )
+ AM_RANGE( 0x000000, 0x00007f ) AM_READWRITE8( internal_r, internal_w, 0xffff )
+ADDRESS_MAP_END
+
+
+static ADDRESS_MAP_START(tmp95c063_mem8, AS_PROGRAM, 8, tmp95c063_device )
+ AM_RANGE( 0x000000, 0x00009f ) AM_READWRITE( internal_r, internal_w )
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(tmp95c063_mem16, AS_PROGRAM, 16, tmp95c063_device )
+ AM_RANGE( 0x000000, 0x00009f ) AM_READWRITE8( internal_r, internal_w, 0xffff )
+ADDRESS_MAP_END
+
+
+tlcs900h_device::tlcs900h_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname)
+ : cpu_device(mconfig, type, name, tag, owner, clock, shortname, __FILE__),
+ m_am8_16(0)
+{
+}
+
+tmp95c061_device::tmp95c061_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : tlcs900h_device(mconfig, TMP95C061, "TMP95C061", tag, owner, clock, "tmp95c061" ),
+ m_port1_read(*this),
+ m_port1_write(*this),
+ m_port2_write(*this),
+ m_port5_read(*this),
+ m_port5_write(*this),
+ m_port6_read(*this),
+ m_port6_write(*this),
+ m_port7_read(*this),
+ m_port7_write(*this),
+ m_port8_read(*this),
+ m_port8_write(*this),
+ m_port9_read(*this),
+ m_porta_read(*this),
+ m_porta_write(*this),
+ m_portb_read(*this),
+ m_portb_write(*this)
+{
+}
+
+//-------------------------------------------------
+// device_config_complete - perform any
+// operations now that the configuration is
+// complete
+//-------------------------------------------------
+
+void tmp95c061_device::device_config_complete()
+{
+ if (m_am8_16 == 0)
+ {
+ m_program_config = address_space_config("program", ENDIANNESS_LITTLE, 16, 24, 0, ADDRESS_MAP_NAME(tmp95c061_mem16));
+ }
+ else
+ {
+ m_program_config = address_space_config("program", ENDIANNESS_LITTLE, 8, 24, 0, ADDRESS_MAP_NAME(tmp95c061_mem8));
+ }
+}
+
+tmp95c063_device::tmp95c063_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : tlcs900h_device(mconfig, TMP95C063, "TMP95C063", tag, owner, clock, "tmp95c063"),
+ m_port1_read(*this),
+ m_port1_write(*this),
+ m_port2_write(*this),
+ m_port5_read(*this),
+ m_port5_write(*this),
+ m_port6_read(*this),
+ m_port6_write(*this),
+ m_port7_read(*this),
+ m_port7_write(*this),
+ m_port8_read(*this),
+ m_port8_write(*this),
+ m_port9_read(*this),
+ m_port9_write(*this),
+ m_porta_read(*this),
+ m_porta_write(*this),
+ m_portb_read(*this),
+ m_portb_write(*this),
+ m_portc_read(*this),
+ m_portd_read(*this),
+ m_portd_write(*this),
+ m_porte_read(*this),
+ m_porte_write(*this)
+{
+}
+
+//-------------------------------------------------
+// device_config_complete - perform any
+// operations now that the configuration is
+// complete
+//-------------------------------------------------
+
+void tmp95c063_device::device_config_complete()
+{
+ if (m_am8_16 == 0)
+ {
+ m_program_config = address_space_config("program", ENDIANNESS_LITTLE, 16, 24, 0, ADDRESS_MAP_NAME(tmp95c063_mem16));
+ }
+ else
+ {
+ m_program_config = address_space_config("program", ENDIANNESS_LITTLE, 8, 24, 0, ADDRESS_MAP_NAME(tmp95c063_mem8));
+ }
+}
+
+
+offs_t tlcs900h_device::disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options)
+{
+ extern CPU_DISASSEMBLE( tlcs900 );
+ return CPU_DISASSEMBLE_NAME(tlcs900)(this, buffer, pc, oprom, opram, options);
+}
+
+
+
+/* Internal register defines */
+#define TMP95C061_P1 0x01
+#define TMP95C061_P1CR 0x02
+#define TMP95C061_P2 0x06
+#define TMP95C061_P2FC 0x09
+#define TMP95C061_P5 0x0d
+#define TMP95C061_P5CR 0x10
+#define TMP95C061_P5FC 0x11
+#define TMP95C061_P6 0x12
+#define TMP95C061_P7 0x13
+#define TMP95C061_P6FC 0x15
+#define TMP95C061_P7CR 0x16
+#define TMP95C061_P7FC 0x17
+#define TMP95C061_P8 0x18
+#define TMP95C061_P9 0x19
+#define TMP95C061_P8CR 0x1a
+#define TMP95C061_P8FC 0x1b
+#define TMP95C061_PA 0x1e
+#define TMP95C061_PB 0x1f
+#define TMP95C061_TRUN 0x20
+#define TMP95C061_TREG0 0x22
+#define TMP95C061_TREG1 0x23
+#define TMP95C061_T01MOD 0x24
+#define TMP95C061_TFFCR 0x25
+#define TMP95C061_TREG2 0x26
+#define TMP95C061_TREG3 0x27
+#define TMP95C061_T23MOD 0x28
+#define TMP95C061_TRDC 0x29
+#define TMP95C061_PACR 0x2c
+#define TMP95C061_PAFC 0x2d
+#define TMP95C061_PBCR 0x2e
+#define TMP95C061_PBFC 0x2f
+#define TMP95C061_TREG4L 0x30
+#define TMP95C061_TREG4H 0x31
+#define TMP95C061_TREG5L 0x32
+#define TMP95C061_TREG5H 0x33
+#define TMP95C061_CAP1L 0x34
+#define TMP95C061_CAP1H 0x35
+#define TMP95C061_CAP2L 0x36
+#define TMP95C061_CAP2H 0x37
+#define TMP95C061_T4MOD 0x38
+#define TMP95C061_T4FFCR 0x39
+#define TMP95C061_T45CR 0x3a
+#define TMP95C061_MSAR0 0x3c
+#define TMP95C061_MAMR0 0x3d
+#define TMP95C061_MSAR1 0x3e
+#define TMP95C061_MAMR1 0x3f
+#define TMP95C061_TREG6L 0x40
+#define TMP95C061_TREG6H 0x41
+#define TMP95C061_TREG7L 0x42
+#define TMP95C061_TREG7H 0x43
+#define TMP95C061_CAP3L 0x44
+#define TMP95C061_CAP3H 0x45
+#define TMP95C061_CAP4L 0x46
+#define TMP95C061_CAP4H 0x47
+#define TMP95C061_T5MOD 0x48
+#define TMP95C061_T5FFCR 0x49
+#define TMP95C061_PG0REG 0x4c
+#define TMP95C061_PG1REG 0x4d
+#define TMP95C061_PG01CR 0x4e
+#define TMP95C061_SC0BUF 0x50
+#define TMP95C061_SC0CR 0x51
+#define TMP95C061_SC0MOD 0x52
+#define TMP95C061_BR0CR 0x53
+#define TMP95C061_SC1BUF 0x54
+#define TMP95C061_SC1CR 0x55
+#define TMP95C061_SC1MOD 0x56
+#define TMP95C061_BR1CR 0x57
+#define TMP95C061_ODE 0x58
+#define TMP95C061_DREFCR 0x5a
+#define TMP95C061_DMEMCR 0x5b
+#define TMP95C061_MSAR2 0x5c
+#define TMP95C061_MAMR2 0x5d
+#define TMP95C061_MSAR3 0x5e
+#define TMP95C061_MAMR3 0x5f
+#define TMP95C061_ADREG0L 0x60
+#define TMP95C061_ADREG0H 0x61
+#define TMP95C061_ADREG1L 0x62
+#define TMP95C061_ADREG1H 0x63
+#define TMP95C061_ADREG2L 0x64
+#define TMP95C061_ADREG2H 0x65
+#define TMP95C061_ADREG3L 0x66
+#define TMP95C061_ADREG3H 0x67
+#define TMP95C061_B0CS 0x68
+#define TMP95C061_B1CS 0x69
+#define TMP95C061_B2CS 0x6a
+#define TMP95C061_B3CS 0x6b
+#define TMP95C061_BEXCS 0x6c
+#define TMP95C061_ADMOD 0x6d
+#define TMP95C061_WDMOD 0x6e
+#define TMP95C061_WDCR 0x6f
+#define TMP95C061_INTE0AD 0x70
+#define TMP95C061_INTE45 0x71
+#define TMP95C061_INTE67 0x72
+#define TMP95C061_INTET10 0x73
+#define TMP95C061_INTET32 0x74
+#define TMP95C061_INTET54 0x75
+#define TMP95C061_INTET76 0x76
+#define TMP95C061_INTES0 0x77
+#define TMP95C061_INTES1 0x78
+#define TMP95C061_INTETC10 0x79
+#define TMP95C061_INTETC32 0x7a
+#define TMP95C061_IIMC 0x7b
+#define TMP95C061_DMA0V 0x7c
+#define TMP95C061_DMA1V 0x7d
+#define TMP95C061_DMA2V 0x7e
+#define TMP95C061_DMA3V 0x7f
+
+
+/* Flag defines */
+#define FLAG_CF 0x01
+#define FLAG_NF 0x02
+#define FLAG_VF 0x04
+#define FLAG_HF 0x10
+#define FLAG_ZF 0x40
+#define FLAG_SF 0x80
+
+
+inline UINT8 tlcs900h_device::RDOP()
+{
+ UINT8 data;
+
+ if ( m_prefetch_clear )
+ {
+ for ( int i = 0; i < 4; i++ )
+ {
+ m_prefetch[ i ] = RDMEM( m_pc.d + i );
+ }
+ m_prefetch_index = 0;
+ m_prefetch_clear = false;
+ }
+ else
+ {
+ m_prefetch[ m_prefetch_index ] = RDMEM( m_pc.d + 3 );
+ m_prefetch_index = ( m_prefetch_index + 1 ) & 0x03;
+ }
+ data = m_prefetch[ m_prefetch_index ];
+ m_pc.d++;
+ return data;
+}
+
+
+void tlcs900h_device::device_start()
+{
+ m_program = &space( AS_PROGRAM );
+
+ m_pc.d = 0;
+ memset(m_xwa, 0x00, sizeof(m_xwa));
+ memset(m_xbc, 0x00, sizeof(m_xbc));
+ memset(m_xde, 0x00, sizeof(m_xde));
+ memset(m_xhl, 0x00, sizeof(m_xhl));
+ m_xix.d = 0;
+ m_xiy.d = 0;
+ m_xiz.d = 0;
+ m_xnsp.d = 0;
+ m_xssp.d = 0;
+ memset(m_dmas, 0x00, sizeof(m_dmas));
+ memset(m_dmad, 0x00, sizeof(m_dmad));
+ memset(m_dmac, 0x00, sizeof(m_dmac));
+ memset(m_dmam, 0x00, sizeof(m_dmam));
+
+ save_item( NAME(m_xwa) );
+ save_item( NAME(m_xbc) );
+ save_item( NAME(m_xde) );
+ save_item( NAME(m_xhl) );
+ save_item( NAME(m_xix) );
+ save_item( NAME(m_xiy) );
+ save_item( NAME(m_xiz) );
+ save_item( NAME(m_xssp) );
+ save_item( NAME(m_xnsp) );
+ save_item( NAME(m_pc) );
+ save_item( NAME(m_sr) );
+ save_item( NAME(m_f2) );
+ save_item( NAME(m_dmas) );
+ save_item( NAME(m_dmad) );
+ save_item( NAME(m_dmac) );
+ save_item( NAME(m_dmam) );
+ save_item( NAME(m_reg) );
+ save_item( NAME(m_timer_pre) );
+ save_item( NAME(m_timer) );
+ save_item( NAME(m_timer_change) );
+ save_item( NAME(m_level) );
+ save_item( NAME(m_check_irqs) );
+ save_item( NAME(m_ad_cycles_left) );
+ save_item( NAME(m_nmi_state) );
+ save_item( NAME(m_prefetch_clear) );
+ save_item( NAME(m_prefetch_index) );
+ save_item( NAME(m_prefetch) );
+
+ state_add( TLCS900_PC, "PC", m_pc.d ).formatstr("%08X");
+ state_add( TLCS900_XWA0, "XWA0", m_xwa[0].d ).formatstr("%08X");
+ state_add( TLCS900_XBC0, "XBC0", m_xbc[0].d ).formatstr("%08X");
+ state_add( TLCS900_XDE0, "XDE0", m_xde[0].d ).formatstr("%08X");
+ state_add( TLCS900_XHL0, "XHL0", m_xhl[0].d ).formatstr("%08X");
+ state_add( TLCS900_XWA1, "XWA1", m_xwa[1].d ).formatstr("%08X");
+ state_add( TLCS900_XBC1, "XBC1", m_xbc[1].d ).formatstr("%08X");
+ state_add( TLCS900_XDE1, "XDE1", m_xde[1].d ).formatstr("%08X");
+ state_add( TLCS900_XHL1, "XHL1", m_xhl[1].d ).formatstr("%08X");
+ state_add( TLCS900_XWA2, "XWA2", m_xwa[2].d ).formatstr("%08X");
+ state_add( TLCS900_XBC2, "XBC2", m_xbc[2].d ).formatstr("%08X");
+ state_add( TLCS900_XDE2, "XDE2", m_xde[2].d ).formatstr("%08X");
+ state_add( TLCS900_XHL2, "XHL2", m_xhl[2].d ).formatstr("%08X");
+ state_add( TLCS900_XWA3, "XWA3", m_xwa[3].d ).formatstr("%08X");
+ state_add( TLCS900_XBC3, "XBC3", m_xbc[3].d ).formatstr("%08X");
+ state_add( TLCS900_XDE3, "XDE3", m_xde[3].d ).formatstr("%08X");
+ state_add( TLCS900_XHL3, "XHL3", m_xhl[3].d ).formatstr("%08X");
+ state_add( TLCS900_XIX, "XIX", m_xix.d ).formatstr("%08X");
+ state_add( TLCS900_XIY, "XIY", m_xiy.d ).formatstr("%08X");
+ state_add( TLCS900_XIZ, "XIZ", m_xiz.d ).formatstr("%08X");
+ state_add( TLCS900_XNSP, "XNSP", m_xnsp.d ).formatstr("%08X");
+ state_add( TLCS900_XSSP, "XSSP", m_xssp.d ).formatstr("%08X");
+ state_add( TLCS900_DMAS0, "DMAS0", m_dmas[0].d ).formatstr("%08X");
+ state_add( TLCS900_DMAD0, "DMAD0", m_dmad[0].d ).formatstr("%08X");
+ state_add( TLCS900_DMAC0, "DMAC0", m_dmac[0].w.l ).formatstr("%04X");
+ state_add( TLCS900_DMAM0, "DMAM0", m_dmam[0].b.l ).formatstr("%02X");
+ state_add( TLCS900_DMAS1, "DMAS0", m_dmas[1].d ).formatstr("%08X");
+ state_add( TLCS900_DMAD1, "DMAD0", m_dmad[1].d ).formatstr("%08X");
+ state_add( TLCS900_DMAC1, "DMAC0", m_dmac[1].w.l ).formatstr("%04X");
+ state_add( TLCS900_DMAM1, "DMAM0", m_dmam[1].b.l ).formatstr("%02X");
+ state_add( TLCS900_DMAS2, "DMAS0", m_dmas[2].d ).formatstr("%08X");
+ state_add( TLCS900_DMAD2, "DMAD0", m_dmad[2].d ).formatstr("%08X");
+ state_add( TLCS900_DMAC2, "DMAC0", m_dmac[2].w.l ).formatstr("%04X");
+ state_add( TLCS900_DMAM2, "DMAM0", m_dmam[2].b.l ).formatstr("%02X");
+ state_add( TLCS900_DMAS3, "DMAS0", m_dmas[3].d ).formatstr("%08X");
+ state_add( TLCS900_DMAD3, "DMAD0", m_dmad[3].d ).formatstr("%08X");
+ state_add( TLCS900_DMAC3, "DMAC0", m_dmac[3].w.l ).formatstr("%04X");
+ state_add( TLCS900_DMAM3, "DMAM0", m_dmam[3].b.l ).formatstr("%02X");
+
+ state_add( STATE_GENPC, "GENPC", m_pc.d ).noshow();
+ state_add( STATE_GENFLAGS, "GENFLAGS", m_sr.w.l ).formatstr("%12s").noshow();
+
+ m_icountptr = &m_icount;
+}
+
+
+void tlcs900h_device::state_string_export(const device_state_entry &entry, std::string &str)
+{
+ switch (entry.index())
+ {
+ case STATE_GENFLAGS:
+ strprintf(str, "%c%d%c%d%c%c%c%c%c%c%c%c",
+ m_sr.w.l & 0x8000 ? 'S' : 'U',
+ ( m_sr.w.l & 0x7000 ) >> 12,
+ m_sr.w.l & 0x0800 ? 'M' : 'N',
+ ( m_sr.w.l & 0x0700 ) >> 8,
+ m_sr.w.l & 0x0080 ? 'S' : '.',
+ m_sr.w.l & 0x0040 ? 'Z' : '.',
+ m_sr.w.l & 0x0020 ? '1' : '.',
+ m_sr.w.l & 0x0010 ? 'H' : '.',
+ m_sr.w.l & 0x0008 ? '1' : '.',
+ m_sr.w.l & 0x0004 ? 'V' : '.',
+ m_sr.w.l & 0x0002 ? 'N' : '.',
+ m_sr.w.l & 0x0001 ? 'C' : '.' );
+ break;
+ }
+}
+
+void tmp95c061_device::device_start()
+{
+ tlcs900h_device::device_start();
+
+ save_item( NAME(m_to1) );
+ save_item( NAME(m_to3) );
+
+ m_port1_read.resolve_safe(0);
+ m_port1_write.resolve_safe();
+ m_port2_write.resolve_safe();
+ m_port5_read.resolve_safe(0);
+ m_port5_write.resolve_safe();
+ m_port6_read.resolve_safe(0);
+ m_port6_write.resolve_safe();
+ m_port7_read.resolve_safe(0);
+ m_port7_write.resolve_safe();
+ m_port8_read.resolve_safe(0);
+ m_port8_write.resolve_safe();
+ m_port9_read.resolve_safe(0);
+ m_porta_read.resolve_safe(0);
+ m_porta_write.resolve_safe();
+ m_portb_read.resolve_safe(0);
+ m_portb_write.resolve_safe();
+}
+
+void tmp95c061_device::device_reset()
+{
+ int i;
+
+ m_to1 = 0;
+ m_to3 = 0;
+
+ m_pc.b.l = RDMEM( 0xFFFF00 );
+ m_pc.b.h = RDMEM( 0xFFFF01 );
+ m_pc.b.h2 = RDMEM( 0xFFFF02 );
+ m_pc.b.h3 = 0;
+ /* system mode, iff set to 111, max mode, register bank 0 */
+ m_sr.d = 0xF800;
+ m_regbank = 0;
+ m_xssp.d = 0x0100;
+ m_halted = 0;
+ m_check_irqs = 0;
+ m_ad_cycles_left = 0;
+ m_nmi_state = CLEAR_LINE;
+ m_timer_pre = 0;
+ m_timer_change[0] = 0;
+ m_timer_change[1] = 0;
+ m_timer_change[2] = 0;
+ m_timer_change[3] = 0;
+
+ memset(m_reg, 0x00, sizeof(m_reg));
+
+ m_reg[TMP95C061_P1] = 0x00;
+ m_reg[TMP95C061_P1CR] = 0x00;
+ m_reg[TMP95C061_P2] = 0xff;
+ m_reg[TMP95C061_P2FC] = 0x00;
+ m_reg[TMP95C061_P5] = 0x3d;
+ m_reg[TMP95C061_P5CR] = 0x00;
+ m_reg[TMP95C061_P5FC] = 0x00;
+ m_reg[TMP95C061_P6] = 0x3b;
+ m_reg[TMP95C061_P6FC] = 0x00;
+ m_reg[TMP95C061_P7] = 0xff;
+ m_reg[TMP95C061_P7CR] = 0x00;
+ m_reg[TMP95C061_P7FC] = 0x00;
+ m_reg[TMP95C061_P8] = 0x3f;
+ m_reg[TMP95C061_P8CR] = 0x00;
+ m_reg[TMP95C061_P8FC] = 0x00;
+ m_reg[TMP95C061_PA] = 0x0f;
+ m_reg[TMP95C061_PACR] = 0x0c; // HACK ngpc needs this but should be zero
+ m_reg[TMP95C061_PAFC] = 0x0c; // HACK ngpc needs this but should be zero
+ m_reg[TMP95C061_PB] = 0xff;
+ m_reg[TMP95C061_PBCR] = 0x00;
+ m_reg[TMP95C061_PBFC] = 0x00;
+ m_reg[TMP95C061_MSAR0] = 0xff;
+ m_reg[TMP95C061_MSAR1] = 0xff;
+ m_reg[TMP95C061_MSAR2] = 0xff;
+ m_reg[TMP95C061_MSAR3] = 0xff;
+ m_reg[TMP95C061_MAMR0] = 0xff;
+ m_reg[TMP95C061_MAMR1] = 0xff;
+ m_reg[TMP95C061_MAMR2] = 0xff;
+ m_reg[TMP95C061_MAMR3] = 0xff;
+ m_reg[TMP95C061_DREFCR] = 0x00;
+ m_reg[TMP95C061_DMEMCR] = 0x80;
+ m_reg[TMP95C061_T01MOD] = 0x00;
+ m_reg[TMP95C061_T23MOD] = 0x00;
+ m_reg[TMP95C061_TFFCR] = 0x00;
+ m_reg[TMP95C061_TRUN] = 0x00;
+ m_reg[TMP95C061_TRDC] = 0x00;
+ m_reg[TMP95C061_T4MOD] = 0x20;
+ m_reg[TMP95C061_T4FFCR] = 0x00;
+ m_reg[TMP95C061_T5MOD] = 0x20;
+ m_reg[TMP95C061_T5FFCR] = 0x00;
+ m_reg[TMP95C061_T45CR] = 0x00;
+ m_reg[TMP95C061_PG01CR] = 0x00;
+ m_reg[TMP95C061_PG0REG] = 0x00;
+ m_reg[TMP95C061_PG1REG] = 0x00;
+ m_reg[TMP95C061_SC0MOD] = 0x00;
+ m_reg[TMP95C061_SC0CR] = 0x00;
+ m_reg[TMP95C061_BR0CR] = 0x00;
+ m_reg[TMP95C061_SC1MOD] = 0x00;
+ m_reg[TMP95C061_SC1CR] = 0x00;
+ m_reg[TMP95C061_BR1CR] = 0x00;
+ m_reg[TMP95C061_P8FC] = 0x00;
+ m_reg[TMP95C061_ODE] = 0x00;
+ m_reg[TMP95C061_ADMOD] = 0x00;
+ m_reg[TMP95C061_ADREG0L] = 0x3f;
+ m_reg[TMP95C061_ADREG1L] = 0x3f;
+ m_reg[TMP95C061_ADREG2L] = 0x3f;
+ m_reg[TMP95C061_ADREG3L] = 0x3f;
+ m_reg[TMP95C061_WDMOD] = 0x80;
+
+ for ( i = 0; i < TLCS900_NUM_INPUTS; i++ )
+ {
+ m_level[i] = CLEAR_LINE;
+ }
+ m_prefetch_clear = true;
+}
+
+
+#include "900tbl.inc"
+
+
+#define TMP95C061_NUM_MASKABLE_IRQS 22
+static const struct {
+ UINT8 reg;
+ UINT8 iff;
+ UINT8 vector;
+} tmp95c061_irq_vector_map[TMP95C061_NUM_MASKABLE_IRQS] =
+{
+ { TMP95C061_INTETC32, 0x80, 0x80 }, /* INTTC3 */
+ { TMP95C061_INTETC32, 0x08, 0x7c }, /* INTTC2 */
+ { TMP95C061_INTETC10, 0x80, 0x78 }, /* INTTC1 */
+ { TMP95C061_INTETC10, 0x08, 0x74 }, /* INTTC0 */
+ { TMP95C061_INTE0AD, 0x80, 0x70 }, /* INTAD */
+ { TMP95C061_INTES1, 0x80, 0x6c }, /* INTTX1 */
+ { TMP95C061_INTES1, 0x08, 0x68 }, /* INTRX1 */
+ { TMP95C061_INTES0, 0x80, 0x64 }, /* INTTX0 */
+ { TMP95C061_INTES0, 0x08, 0x60 }, /* INTRX0 */
+ { TMP95C061_INTET76, 0x80, 0x5c }, /* INTTR7 */
+ { TMP95C061_INTET76, 0x08, 0x58 }, /* INTTR6 */
+ { TMP95C061_INTET54, 0x80, 0x54 }, /* INTTR5 */
+ { TMP95C061_INTET54, 0x08, 0x50 }, /* INTTR4 */
+ { TMP95C061_INTET32, 0x80, 0x4c }, /* INTT3 */
+ { TMP95C061_INTET32, 0x08, 0x48 }, /* INTT2 */
+ { TMP95C061_INTET10, 0x80, 0x44 }, /* INTT1 */
+ { TMP95C061_INTET10, 0x08, 0x40 }, /* INTT0 */
+ /* 0x3c - reserved */
+ { TMP95C061_INTE67, 0x80, 0x38 }, /* INT7 */
+ { TMP95C061_INTE67, 0x08, 0x34 }, /* INT6 */
+ { TMP95C061_INTE45, 0x80, 0x30 }, /* INT5 */
+ { TMP95C061_INTE45, 0x08, 0x2c }, /* INT4 */
+ { TMP95C061_INTE0AD, 0x08, 0x28 } /* INT0 */
+};
+
+
+int tmp95c061_device::tlcs900_process_hdma( int channel )
+{
+ UINT8 vector = ( m_reg[0x7c + channel] & 0x1f ) << 2;
+
+ /* Check if any HDMA actions should be performed */
+ if ( vector >= 0x28 && vector != 0x3C && vector < 0x74 )
+ {
+ int irq = 0;
+
+ while( irq < TMP95C061_NUM_MASKABLE_IRQS && tmp95c061_irq_vector_map[irq].vector != vector )
+ irq++;
+
+ /* Check if our interrupt flip-flop is set */
+ if ( irq < TMP95C061_NUM_MASKABLE_IRQS && m_reg[tmp95c061_irq_vector_map[irq].reg] & tmp95c061_irq_vector_map[irq].iff )
+ {
+ switch( m_dmam[channel].b.l & 0x1f )
+ {
+ case 0x00:
+ WRMEM( m_dmad[channel].d, RDMEM( m_dmas[channel].d ) );
+ m_dmad[channel].d += 1;
+ m_cycles += 8;
+ break;
+ case 0x01:
+ WRMEMW( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_dmad[channel].d += 2;
+ m_cycles += 8;
+ break;
+ case 0x02:
+ WRMEML( m_dmad[channel].d, RDMEML( m_dmas[channel].d ) );
+ m_dmad[channel].d += 4;
+ m_cycles += 12;
+ break;
+ case 0x04:
+ WRMEM( m_dmad[channel].d, RDMEM( m_dmas[channel].d ) );
+ m_dmad[channel].d -= 1;
+ m_cycles += 8;
+ break;
+ case 0x05:
+ WRMEMW( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_dmad[channel].d -= 2;
+ m_cycles += 8;
+ break;
+ case 0x06:
+ WRMEML( m_dmad[channel].d, RDMEML( m_dmas[channel].d ) );
+ m_dmad[channel].d -= 4;
+ m_cycles += 12;
+ break;
+ case 0x08:
+ WRMEM( m_dmad[channel].d, RDMEM( m_dmas[channel].d ) );
+ m_dmas[channel].d += 1;
+ m_cycles += 8;
+ break;
+ case 0x09:
+ WRMEMW( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_dmas[channel].d += 2;
+ m_cycles += 8;
+ break;
+ case 0x0a:
+ WRMEML( m_dmad[channel].d, RDMEML( m_dmas[channel].d ) );
+ m_dmas[channel].d += 4;
+ m_cycles += 12;
+ break;
+ case 0x0c:
+ WRMEM( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_dmas[channel].d -= 1;
+ m_cycles += 8;
+ break;
+ case 0x0d:
+ WRMEMW( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_dmas[channel].d -= 2;
+ m_cycles += 8;
+ break;
+ case 0x0e:
+ WRMEML( m_dmad[channel].d, RDMEML( m_dmas[channel].d ) );
+ m_dmas[channel].d -= 4;
+ m_cycles += 12;
+ break;
+ case 0x10:
+ WRMEM( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_cycles += 8;
+ break;
+ case 0x11:
+ WRMEMW( m_dmad[channel].d, RDMEMW( m_dmas[channel].d ) );
+ m_cycles += 8;
+ break;
+ case 0x12:
+ WRMEML( m_dmad[channel].d, RDMEML( m_dmas[channel].d ) );
+ m_cycles += 12;
+ break;
+ case 0x14:
+ m_dmas[channel].d += 1;
+ m_cycles += 5;
+ break;
+ }
+
+ m_dmac[channel].w.l -= 1;
+
+ if ( m_dmac[channel].w.l == 0 )
+ {
+ m_reg[0x7c + channel] = 0;
+ switch( channel )
+ {
+ case 0:
+ m_reg[TMP95C061_INTETC10] |= 0x08;
+ break;
+ case 1:
+ m_reg[TMP95C061_INTETC10] |= 0x80;
+ break;
+ case 2:
+ m_reg[TMP95C061_INTETC32] |= 0x08;
+ break;
+ case 3:
+ m_reg[TMP95C061_INTETC32] |= 0x80;
+ break;
+ }
+ }
+
+ /* Clear the interrupt flip-flop */
+ m_reg[tmp95c061_irq_vector_map[irq].reg] &= ~tmp95c061_irq_vector_map[irq].iff;
+
+ return 1;
+ }
+ }
+ return 0;
+}
+
+
+void tmp95c061_device::tlcs900_check_hdma()
+{
+ /* HDMA can only be performed if interrupts are allowed */
+ if ( ( m_sr.b.h & 0x70 ) != 0x70 )
+ {
+ if ( ! tlcs900_process_hdma( 0 ) )
+ {
+ if ( ! tlcs900_process_hdma( 1 ) )
+ {
+ if ( ! tlcs900_process_hdma( 2 ) )
+ {
+ tlcs900_process_hdma( 3 );
+ }
+ }
+ }
+ }
+}
+
+
+void tmp95c061_device::tlcs900_check_irqs()
+{
+ int irq_vectors[9] = { -1, -1, -1, -1, -1, -1, -1, -1, -1 };
+ int level = 0;
+ int irq = -1;
+ int i;
+
+ /* Check for NMI */
+ if ( m_nmi_state == ASSERT_LINE )
+ {
+ m_xssp.d -= 4;
+ WRMEML( m_xssp.d, m_pc.d );
+ m_xssp.d -= 2;
+ WRMEMW( m_xssp.d, m_sr.w.l );
+ m_pc.d = RDMEML( 0xffff00 + 0x20 );
+ m_cycles += 18;
+ m_prefetch_clear = true;
+
+ m_halted = 0;
+
+ m_nmi_state = CLEAR_LINE;
+
+ return;
+ }
+
+ /* Check regular irqs */
+ for( i = 0; i < TMP95C061_NUM_MASKABLE_IRQS; i++ )
+ {
+ if ( m_reg[tmp95c061_irq_vector_map[i].reg] & tmp95c061_irq_vector_map[i].iff )
+ {
+ switch( tmp95c061_irq_vector_map[i].iff )
+ {
+ case 0x80:
+ irq_vectors[ ( m_reg[ tmp95c061_irq_vector_map[i].reg ] >> 4 ) & 0x07 ] = i;
+ break;
+ case 0x08:
+ irq_vectors[ m_reg[ tmp95c061_irq_vector_map[i].reg ] & 0x07 ] = i;
+ break;
+ }
+ }
+ }
+
+ /* Check highest allowed priority irq */
+ for ( i = MAX( 1, ( ( m_sr.b.h & 0x70 ) >> 4 ) ); i < 7; i++ )
+ {
+ if ( irq_vectors[i] >= 0 )
+ {
+ irq = irq_vectors[i];
+ level = i + 1;
+ }
+ }
+
+ /* Take irq */
+ if ( irq >= 0 )
+ {
+ UINT8 vector = tmp95c061_irq_vector_map[irq].vector;
+
+ m_xssp.d -= 4;
+ WRMEML( m_xssp.d, m_pc.d );
+ m_xssp.d -= 2;
+ WRMEMW( m_xssp.d, m_sr.w.l );
+
+ /* Mask off any lower priority interrupts */
+ m_sr.b.h = ( m_sr.b.h & 0x8f ) | ( level << 4 );
+
+ m_pc.d = RDMEML( 0xffff00 + vector );
+ m_cycles += 18;
+ m_prefetch_clear = true;
+
+ m_halted = 0;
+
+ /* Clear taken IRQ */
+ m_reg[ tmp95c061_irq_vector_map[irq].reg ] &= ~ tmp95c061_irq_vector_map[irq].iff;
+ }
+}
+
+
+void tmp95c061_device::tlcs900_handle_ad()
+{
+ if ( m_ad_cycles_left > 0 )
+ {
+ m_ad_cycles_left -= m_cycles;
+ if ( m_ad_cycles_left <= 0 )
+ {
+ /* Store A/D converted value */
+ switch( m_reg[TMP95C061_ADMOD] & 0x03 )
+ {
+ case 0x00: /* AN0 */
+ m_reg[TMP95C061_ADREG0L] |= 0xc0;
+ m_reg[TMP95C061_ADREG0H] = 0xff;
+ break;
+ case 0x01: /* AN1 */
+ case 0x02: /* AN2 */
+ case 0x03: /* AN3 */
+ break;
+ }
+
+ /* Clear BUSY flag, set END flag */
+ m_reg[TMP95C061_ADMOD] &= ~ 0x40;
+ m_reg[TMP95C061_ADMOD] |= 0x80;
+
+ m_reg[TMP95C061_INTE0AD] |= 0x80;
+ m_check_irqs = 1;
+ }
+ }
+}
+
+
+enum ff_change
+{
+ FF_CLEAR,
+ FF_SET,
+ FF_INVERT
+};
+
+
+void tmp95c061_device::tlcs900_change_tff( int which, int change )
+{
+ switch( which )
+ {
+ case 1:
+ switch( change )
+ {
+ case FF_CLEAR:
+ m_to1 = 0;
+ break;
+ case FF_SET:
+ m_to1 = 1;
+ break;
+ case FF_INVERT:
+ m_to1 ^= 1;
+ break;
+ }
+ break;
+
+ case 3:
+ switch( change )
+ {
+ case FF_CLEAR:
+ m_to3 = 0;
+ break;
+ case FF_SET:
+ m_to3 = 1;
+ break;
+ case FF_INVERT:
+ m_to3 ^= 1;
+ break;
+ }
+ break;
+ }
+
+ update_porta();
+}
+
+
+void tmp95c061_device::tlcs900_handle_timers()
+{
+ UINT32 old_pre = m_timer_pre;
+
+ /* Is the pre-scaler active */
+ if ( m_reg[TMP95C061_TRUN] & 0x80 )
+ m_timer_pre += m_cycles;
+
+ /* Timer 0 */
+ if ( m_reg[TMP95C061_TRUN] & 0x01 )
+ {
+ switch( m_reg[TMP95C061_T01MOD] & 0x03 )
+ {
+ case 0x00: /* TIO */
+ break;
+ case 0x01: /* T1 */
+ m_timer_change[0] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T4 */
+ m_timer_change[0] += ( m_timer_pre >> 9 ) - ( old_pre >> 9 );
+ break;
+ case 0x03: /* T16 */
+ m_timer_change[0] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ }
+
+ for( ; m_timer_change[0] > 0; m_timer_change[0]-- )
+ {
+//printf("timer0 = %02x, TREG0 = %02x\n", m_timer[0], m_reg[TREG0] );
+ m_timer[0] += 1;
+ if ( m_timer[0] == m_reg[TMP95C061_TREG0] )
+ {
+ if ( ( m_reg[TMP95C061_T01MOD] & 0x0c ) == 0x00 )
+ {
+ m_timer_change[1] += 1;
+ }
+
+ /* In 16bit timer mode the timer should not be reset */
+ if ( ( m_reg[TMP95C061_T01MOD] & 0xc0 ) != 0x40 )
+ {
+ m_timer[0] = 0;
+ m_reg[TMP95C061_INTET10] |= 0x08;
+ }
+ }
+ }
+ }
+
+ /* Timer 1 */
+ if ( m_reg[TMP95C061_TRUN] & 0x02 )
+ {
+ switch( ( m_reg[TMP95C061_T01MOD] >> 2 ) & 0x03 )
+ {
+ case 0x00: /* TO0TRG */
+ break;
+ case 0x01: /* T1 */
+ m_timer_change[1] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T16 */
+ m_timer_change[1] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ case 0x03: /* T256 */
+ m_timer_change[1] += ( m_timer_pre >> 15 ) - ( old_pre >> 15 );
+ break;
+ }
+
+ for( ; m_timer_change[1] > 0; m_timer_change[1]-- )
+ {
+ m_timer[1] += 1;
+ if ( m_timer[1] == m_reg[TMP95C061_TREG1] )
+ {
+ m_timer[1] = 0;
+ m_reg[TMP95C061_INTET10] |= 0x80;
+
+ if ( m_reg[TMP95C061_TFFCR] & 0x02 )
+ {
+ tlcs900_change_tff( 1, FF_INVERT );
+ }
+
+ /* In 16bit timer mode also reset timer 0 */
+ if ( ( m_reg[TMP95C061_T01MOD] & 0xc0 ) == 0x40 )
+ {
+ m_timer[0] = 0;
+ }
+ }
+ }
+ }
+
+ /* Timer 2 */
+ if ( m_reg[TMP95C061_TRUN] & 0x04 )
+ {
+ switch( m_reg[TMP95C061_T23MOD] & 0x03 )
+ {
+ case 0x00: /* invalid */
+ case 0x01: /* T1 */
+ m_timer_change[2] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T4 */
+ m_timer_change[2] += ( m_timer_pre >> 9 ) - ( old_pre >> 9 );
+ break;
+ case 0x03: /* T16 */
+ m_timer_change[2] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ }
+
+ for( ; m_timer_change[2] > 0; m_timer_change[2]-- )
+ {
+ m_timer[2] += 1;
+ if ( m_timer[2] == m_reg[TMP95C061_TREG2] )
+ {
+ if ( ( m_reg[TMP95C061_T23MOD] & 0x0c ) == 0x00 )
+ {
+ m_timer_change[3] += 1;
+ }
+
+ /* In 16bit timer mode the timer should not be reset */
+ if ( ( m_reg[TMP95C061_T23MOD] & 0xc0 ) != 0x40 )
+ {
+ m_timer[2] = 0;
+ m_reg[TMP95C061_INTET32] |= 0x08;
+ }
+ }
+ }
+ }
+
+ /* Timer 3 */
+ if ( m_reg[TMP95C061_TRUN] & 0x08 )
+ {
+ switch( ( m_reg[TMP95C061_T23MOD] >> 2 ) & 0x03 )
+ {
+ case 0x00: /* TO2TRG */
+ break;
+ case 0x01: /* T1 */
+ m_timer_change[3] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T16 */
+ m_timer_change[3] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ case 0x03: /* T256 */
+ m_timer_change[3] += ( m_timer_pre >> 15 ) - ( old_pre >> 15 );
+ break;
+ }
+
+ for( ; m_timer_change[3] > 0; m_timer_change[3]-- )
+ {
+ m_timer[3] += 1;
+ if ( m_timer[3] == m_reg[TMP95C061_TREG3] )
+ {
+ m_timer[3] = 0;
+ m_reg[TMP95C061_INTET32] |= 0x80;
+
+ if ( m_reg[TMP95C061_TFFCR] & 0x20 )
+ {
+ tlcs900_change_tff( 3, FF_INVERT );
+ }
+
+ /* In 16bit timer mode also reset timer 2 */
+ if ( ( m_reg[TMP95C061_T23MOD] & 0xc0 ) == 0x40 )
+ {
+ m_timer[2] = 0;
+ }
+ }
+ }
+ }
+
+ m_timer_pre &= 0xffffff;
+}
+
+
+void tlcs900h_device::execute_run()
+{
+ do
+ {
+ const tlcs900inst *inst;
+
+ m_cycles = 0;
+
+ if ( m_check_irqs )
+ {
+ tlcs900_check_irqs();
+ m_check_irqs = 0;
+ }
+
+ debugger_instruction_hook( this, m_pc.d );
+
+ if ( m_halted )
+ {
+ m_cycles += 8;
+ }
+ else
+ {
+ m_op = RDOP();
+ inst = &s_mnemonic[m_op];
+ prepare_operands( inst );
+
+ /* Execute the instruction */
+ (this->*inst->opfunc)();
+ m_cycles += inst->cycles;
+ }
+
+ tlcs900_handle_ad();
+
+ tlcs900_handle_timers();
+
+ tlcs900_check_hdma();
+
+ m_icount -= m_cycles;
+ } while ( m_icount > 0 );
+}
+
+
+void tmp95c061_device::execute_set_input(int input, int level)
+{
+ switch( input )
+ {
+ case INPUT_LINE_NMI:
+ case TLCS900_NMI:
+ if ( m_level[TLCS900_NMI] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_nmi_state = level;
+ }
+ m_level[TLCS900_NMI] = level;
+ break;
+
+ case TLCS900_INTWD:
+ break;
+
+ case TLCS900_INT0:
+ /* Is INT0 functionality enabled? */
+ if ( m_reg[TMP95C061_IIMC] & 0x04 )
+ {
+ if ( m_reg[TMP95C061_IIMC] & 0x02 )
+ {
+ /* Rising edge detect */
+ if ( m_level[TLCS900_INT0] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ /* Leave HALT state */
+ m_halted = 0;
+ m_reg[TMP95C061_INTE0AD] |= 0x08;
+ }
+ }
+ else
+ {
+ /* Level detect */
+ if ( level == ASSERT_LINE )
+ m_reg[TMP95C061_INTE0AD] |= 0x08;
+ else
+ m_reg[TMP95C061_INTE0AD] &= ~ 0x08;
+ }
+ }
+ m_level[TLCS900_INT0] = level;
+ break;
+
+ case TLCS900_INT4:
+ if ( ! ( m_reg[TMP95C061_PBCR] & 0x01 ) )
+ {
+ if ( m_level[TLCS900_INT4] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_reg[TMP95C061_INTE45] |= 0x08;
+ }
+ }
+ m_level[TLCS900_INT4] = level;
+ break;
+
+ case TLCS900_INT5:
+ if ( ! ( m_reg[TMP95C061_PBCR] & 0x02 ) )
+ {
+ if ( m_level[TLCS900_INT5] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_reg[TMP95C061_INTE45] |= 0x80;
+ }
+ }
+ m_level[TLCS900_INT5] = level;
+ break;
+
+ case TLCS900_TIO: /* External timer input for timer 0 */
+ if ( ( m_reg[TMP95C061_TRUN] & 0x01 ) && ( m_reg[TMP95C061_T01MOD] & 0x03 ) == 0x00 )
+ {
+ if ( m_level[TLCS900_TIO] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_timer_change[0] += 1;
+ }
+ }
+ m_level[TLCS900_TIO] = level;
+ break;
+ }
+ m_check_irqs = 1;
+}
+
+
+READ8_MEMBER( tmp95c061_device::internal_r )
+{
+ switch (offset)
+ {
+ case TMP95C061_P1: m_reg[offset] = m_port1_read(0); break;
+ case TMP95C061_P5: m_reg[offset] = m_port5_read(0); break;
+ case TMP95C061_P6: m_reg[offset] = m_port6_read(0); break;
+ case TMP95C061_P7: m_reg[offset] = m_port7_read(0); break;
+ case TMP95C061_P8: m_reg[offset] = m_port8_read(0); break;
+ case TMP95C061_P9: m_reg[offset] = m_port9_read(0); break;
+ case TMP95C061_PA: m_reg[offset] = m_porta_read(0); break;
+ case TMP95C061_PB: m_reg[offset] = m_portb_read(0); break;
+ }
+ return m_reg[ offset ];
+}
+
+
+void tmp95c061_device::update_porta()
+{
+ int fc = (m_to1 << 2) | (m_to3 << 3);
+
+ m_porta_write(0, ((fc & m_reg[TMP95C061_PAFC]) | (m_reg[TMP95C061_PA] & ~m_reg[TMP95C061_PAFC])) & m_reg[TMP95C061_PACR], 0xff);
+}
+
+WRITE8_MEMBER( tmp95c061_device::internal_w )
+{
+ switch ( offset )
+ {
+ case TMP95C061_TRUN:
+ if ( ! ( data & 0x01 ) )
+ {
+ m_timer[0] = 0;
+ m_timer_change[0] = 0;
+ }
+ if ( ! ( data & 0x02 ) )
+ {
+ m_timer[1] = 0;
+ m_timer_change[1] = 0;
+ }
+ if ( ! ( data & 0x04 ) )
+ {
+ m_timer[2] = 0;
+ m_timer_change[2] = 0;
+ }
+ if ( ! ( data & 0x08 ) )
+ {
+ m_timer[3] = 0;
+ m_timer_change[3] = 0;
+ }
+ if ( ! ( data & 0x10 ) )
+ m_timer[4] = 0;
+ if ( ! ( data & 0x20 ) )
+ m_timer[5] = 0;
+ break;
+
+ case TMP95C061_TFFCR:
+ switch( data & 0x0c )
+ {
+ case 0x00:
+ tlcs900_change_tff( 1, FF_INVERT );
+ break;
+ case 0x04:
+ tlcs900_change_tff( 1, FF_SET );
+ break;
+ case 0x08:
+ tlcs900_change_tff( 1, FF_CLEAR );
+ break;
+ }
+ switch( data & 0xc0 )
+ {
+ case 0x00:
+ tlcs900_change_tff( 3, FF_INVERT );
+ break;
+ case 0x40:
+ tlcs900_change_tff( 3, FF_SET );
+ break;
+ case 0x80:
+ tlcs900_change_tff( 3, FF_CLEAR );
+ break;
+ }
+ break;
+ case TMP95C061_MSAR0:
+ case TMP95C061_MAMR0:
+ case TMP95C061_MSAR1:
+ case TMP95C061_MAMR1:
+ break;
+
+ case TMP95C061_SC0BUF:
+ // Fake finish sending data
+ m_reg[TMP95C061_INTES0] |= 0x80;
+ break;
+
+ case TMP95C061_ADMOD:
+ /* Preserve read-only bits */
+ data = ( m_reg[TMP95C061_ADMOD] & 0xc0 ) | ( data & 0x3f );
+
+ /* Check for A/D request start */
+ if ( data & 0x04 )
+ {
+ data &= ~0x04;
+ data |= 0x40;
+ m_ad_cycles_left = ( data & 0x08 ) ? 640 : 320;
+ }
+ break;
+
+ case TMP95C061_WDMOD:
+ case TMP95C061_WDCR:
+ break;
+
+ case TMP95C061_INTE0AD:
+ case TMP95C061_INTE45:
+ case TMP95C061_INTE67:
+ case TMP95C061_INTET10:
+ case TMP95C061_INTET32:
+ case TMP95C061_INTET54:
+ case TMP95C061_INTET76:
+ case TMP95C061_INTES0:
+ case TMP95C061_INTES1:
+ case TMP95C061_INTETC10:
+ case TMP95C061_INTETC32:
+ if ( data & 0x80 )
+ data = ( data & 0x7f ) | ( m_reg[offset] & 0x80 );
+ if ( data & 0x08 )
+ data = ( data & 0xf7 ) | ( m_reg[offset] & 0x08 );
+ break;
+
+ case TMP95C061_IIMC:
+ break;
+
+ default:
+ break;
+ }
+
+ m_check_irqs = 1;
+ m_reg[ offset ] = data;
+
+ switch(offset)
+ {
+ case TMP95C061_P1: m_port1_write(0, data, 0xff); break;
+ case TMP95C061_P2: m_port2_write(0, data, 0xff); break;
+ case TMP95C061_P5: m_port5_write(0, data, 0xff); break;
+ case TMP95C061_P6: m_port6_write(0, data, 0xff); break;
+ case TMP95C061_P7: m_port7_write(0, data, 0xff); break;
+ case TMP95C061_P8: m_port8_write(0, data, 0xff); break;
+
+ case TMP95C061_PA:
+ case TMP95C061_PACR:
+ case TMP95C061_PAFC:
+ update_porta();
+ break;
+ }
+}
+
+
+
+// Toshiba TMP95C063
+
+/* TMP95C063 Internal register defines */
+
+#define TMP95C063_P1 0x01
+#define TMP95C063_P1CR 0x04
+#define TMP95C063_P2 0x06
+#define TMP95C063_P2FC 0x09
+#define TMP95C063_P5 0x0d
+#define TMP95C063_P5CR 0x10
+#define TMP95C063_P5FC 0x11
+#define TMP95C063_P6 0x12
+#define TMP95C063_P7 0x13
+#define TMP95C063_P6FC 0x15
+#define TMP95C063_P7CR 0x16
+#define TMP95C063_P7FC 0x17
+#define TMP95C063_P8 0x18
+#define TMP95C063_P9 0x19
+#define TMP95C063_P8CR 0x1a
+#define TMP95C063_P8FC 0x1b
+#define TMP95C063_P9CR 0x1c
+#define TMP95C063_P9FC 0x1d
+#define TMP95C063_PA 0x1e
+#define TMP95C063_PB 0x1f
+#define TMP95C063_T8RUN 0x20
+#define TMP95C063_TRDC 0x21
+#define TMP95C063_TREG0 0x22
+#define TMP95C063_TREG1 0x23
+#define TMP95C063_T01MOD 0x24
+#define TMP95C063_T02FFCR 0x25
+#define TMP95C063_TREG2 0x26
+#define TMP95C063_TREG3 0x27
+#define TMP95C063_T23MOD 0x28
+#define TMP95C063_TREG4 0x29
+#define TMP95C063_TREG5 0x2a
+#define TMP95C063_T45MOD 0x2b
+#define TMP95C063_T46FFCR 0x2c
+#define TMP95C063_TREG6 0x2d
+#define TMP95C063_TREG7 0x2e
+#define TMP95C063_T67MOD 0x2f
+#define TMP95C063_TREG8L 0x30
+#define TMP95C063_TREG8H 0x31
+#define TMP95C063_TREG9L 0x32
+#define TMP95C063_TREG9H 0x33
+#define TMP95C063_CAP1L 0x34
+#define TMP95C063_CAP1H 0x35
+#define TMP95C063_CAP2L 0x36
+#define TMP95C063_CAP2H 0x37
+#define TMP95C063_T8MOD 0x38
+#define TMP95C063_T8FFCR 0x39
+#define TMP95C063_T89CR 0x3a
+#define TMP95C063_T16RUN 0x3b
+#define TMP95C063_TREGAL 0x40
+#define TMP95C063_TREGAH 0x41
+#define TMP95C063_TREGBL 0x42
+#define TMP95C063_TREGBH 0x43
+#define TMP95C063_CAP3L 0x44
+#define TMP95C063_CAP3H 0x45
+#define TMP95C063_CAP4L 0x46
+#define TMP95C063_CAP4H 0x47
+#define TMP95C063_T9MOD 0x48
+#define TMP95C063_T9FFCR 0x49
+#define TMP95C063_DAREG0 0x4a
+#define TMP95C063_DAREG1 0x4b
+#define TMP95C063_PG0REG 0x4c
+#define TMP95C063_PG1REG 0x4d
+#define TMP95C063_PG01CR 0x4e
+#define TMP95C063_DADRV 0x4f
+#define TMP95C063_SC0BUF 0x50
+#define TMP95C063_SC0CR 0x51
+#define TMP95C063_SC0MOD 0x52
+#define TMP95C063_BR0CR 0x53
+#define TMP95C063_SC1BUF 0x54
+#define TMP95C063_SC1CR 0x55
+#define TMP95C063_SC1MOD 0x56
+#define TMP95C063_BR1CR 0x57
+#define TMP95C063_ODE 0x58
+#define TMP95C063_DMA0V 0x5a
+#define TMP95C063_DMA1V 0x5b
+#define TMP95C063_DMA2V 0x5c
+#define TMP95C063_DMA3V 0x5d
+#define TMP95C063_ADMOD1 0x5e
+#define TMP95C063_ADMOD2 0x5f
+#define TMP95C063_ADREG04L 0x60
+#define TMP95C063_ADREG04H 0x61
+#define TMP95C063_ADREG15L 0x62
+#define TMP95C063_ADREG15H 0x63
+#define TMP95C063_ADREG26L 0x64
+#define TMP95C063_ADREG26H 0x65
+#define TMP95C063_ADREG37L 0x66
+#define TMP95C063_ADREG37H 0x67
+#define TMP95C063_SDMACR0 0x6a
+#define TMP95C063_SDMACR1 0x6b
+#define TMP95C063_SDMACR2 0x6c
+#define TMP95C063_SDMACR3 0x6d
+#define TMP95C063_WDMOD 0x6e
+#define TMP95C063_WDCR 0x6f
+#define TMP95C063_INTE0AD 0x70
+#define TMP95C063_INTE12 0x71
+#define TMP95C063_INTE34 0x72
+#define TMP95C063_INTE56 0x73
+#define TMP95C063_INTE78 0x74
+#define TMP95C063_INTET01 0x75
+#define TMP95C063_INTET23 0x76
+#define TMP95C063_INTET45 0x77
+#define TMP95C063_INTET67 0x78
+#define TMP95C063_INTET89 0x79
+#define TMP95C063_INTETAB 0x7a
+#define TMP95C063_INTES0 0x7b
+#define TMP95C063_INTES1 0x7c
+#define TMP95C063_INTETC01 0x7d
+#define TMP95C063_INTETC23 0x7e
+#define TMP95C063_IIMC 0x7f
+#define TMP95C063_PACR 0x80
+#define TMP95C063_PAFC 0x81
+#define TMP95C063_PBCR 0x82
+#define TMP95C063_PBFC 0x83
+#define TMP95C063_PC 0x84
+#define TMP95C063_PD 0x85
+#define TMP95C063_PDCR 0x88
+#define TMP95C063_PE 0x8a
+#define TMP95C063_PECR 0x8c
+#define TMP95C063_BEXCS 0x8f
+#define TMP95C063_B0CS 0x90
+#define TMP95C063_B1CS 0x91
+#define TMP95C063_B2CS 0x92
+#define TMP95C063_B3CS 0x93
+#define TMP95C063_MSAR0 0x94
+#define TMP95C063_MAMR0 0x95
+#define TMP95C063_MSAR1 0x96
+#define TMP95C063_MAMR1 0x97
+#define TMP95C063_MSAR2 0x98
+#define TMP95C063_MAMR2 0x99
+#define TMP95C063_MSAR3 0x9a
+#define TMP95C063_MAMR3 0x9b
+#define TMP95C063_DREFCR1 0x9c
+#define TMP95C063_DMEMCR1 0x9d
+#define TMP95C063_DREFCR3 0x9e
+#define TMP95C063_DMEMCR3 0x9f
+
+
+#define TMP95C063_NUM_MASKABLE_IRQS 30
+static const struct {
+ UINT8 reg;
+ UINT8 iff;
+ UINT8 vector;
+} tmp95c063_irq_vector_map[TMP95C063_NUM_MASKABLE_IRQS] =
+{
+ { TMP95C063_INTETC23, 0x80, 0xa0 }, /* INTTC3 */
+ { TMP95C063_INTETC23, 0x08, 0x9c }, /* INTTC2 */
+ { TMP95C063_INTETC01, 0x80, 0x98 }, /* INTTC1 */
+ { TMP95C063_INTETC01, 0x08, 0x94 }, /* INTTC0 */
+ { TMP95C063_INTE0AD, 0x80, 0x90 }, /* INTAD */
+ { TMP95C063_INTES1, 0x80, 0x8c }, /* INTTX1 */
+ { TMP95C063_INTES1, 0x08, 0x88 }, /* INTRX1 */
+ { TMP95C063_INTES0, 0x80, 0x84 }, /* INTTX0 */
+ { TMP95C063_INTES0, 0x08, 0x80 }, /* INTRX0 */
+ { TMP95C063_INTETAB, 0x80, 0x7c }, /* INTTRB */
+ { TMP95C063_INTETAB, 0x08, 0x78 }, /* INTTRA */
+ { TMP95C063_INTET89, 0x80, 0x74 }, /* INTTR9 */
+ { TMP95C063_INTET89, 0x80, 0x70 }, /* INTTR8 */
+ { TMP95C063_INTET67, 0x80, 0x6c }, /* INTT7 */
+ { TMP95C063_INTET67, 0x08, 0x68 }, /* INTT6 */
+ { TMP95C063_INTET45, 0x80, 0x64 }, /* INTT5 */
+ { TMP95C063_INTET45, 0x08, 0x60 }, /* INTT4 */
+ { TMP95C063_INTET23, 0x80, 0x5c }, /* INTT3 */
+ { TMP95C063_INTET23, 0x08, 0x58 }, /* INTT2 */
+ { TMP95C063_INTET01, 0x80, 0x54 }, /* INTT1 */
+ { TMP95C063_INTET01, 0x08, 0x50 }, /* INTT0 */
+ { TMP95C063_INTE78, 0x80, 0x4c }, /* INT8 */
+ { TMP95C063_INTE78, 0x08, 0x48 }, /* INT7 */
+ { TMP95C063_INTE56, 0x80, 0x44 }, /* INT6 */
+ { TMP95C063_INTE56, 0x08, 0x40 }, /* INT5 */
+ /* 0x3c - reserved */
+ { TMP95C063_INTE34, 0x80, 0x38 }, /* INT4 */
+ { TMP95C063_INTE34, 0x08, 0x34 }, /* INT3 */
+ { TMP95C063_INTE12, 0x80, 0x30 }, /* INT2 */
+ { TMP95C063_INTE12, 0x08, 0x2c }, /* INT1 */
+ { TMP95C063_INTE0AD, 0x08, 0x28 } /* INT0 */
+};
+
+void tmp95c063_device::tlcs900_handle_timers()
+{
+ // TODO: implement timers 4-7
+
+ UINT32 old_pre = m_timer_pre;
+
+ /* Is the pre-scaler active */
+ if ( m_reg[TMP95C063_T8RUN] & 0x80 )
+ m_timer_pre += m_cycles;
+
+ /* Timer 0 */
+ if ( m_reg[TMP95C063_T8RUN] & 0x01 )
+ {
+ switch( m_reg[TMP95C063_T01MOD] & 0x03 )
+ {
+ case 0x00: /* TIO */
+ break;
+ case 0x01: /* T1 */
+ m_timer_change[0] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T4 */
+ m_timer_change[0] += ( m_timer_pre >> 9 ) - ( old_pre >> 9 );
+ break;
+ case 0x03: /* T16 */
+ m_timer_change[0] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ }
+
+ for( ; m_timer_change[0] > 0; m_timer_change[0]-- )
+ {
+//printf("timer0 = %02x, TREG0 = %02x\n", m_timer[0], m_reg[TREG0] );
+ m_timer[0] += 1;
+ if ( m_timer[0] == m_reg[TMP95C063_TREG0] )
+ {
+ if ( ( m_reg[TMP95C063_T01MOD] & 0x0c ) == 0x00 )
+ {
+ m_timer_change[1] += 1;
+ }
+
+ /* In 16bit timer mode the timer should not be reset */
+ if ( ( m_reg[TMP95C063_T01MOD] & 0xc0 ) != 0x40 )
+ {
+ m_timer[0] = 0;
+ m_reg[TMP95C063_INTET01] |= 0x08;
+ }
+ }
+ }
+ }
+
+ /* Timer 1 */
+ if ( m_reg[TMP95C063_T8RUN] & 0x02 )
+ {
+ switch( ( m_reg[TMP95C063_T01MOD] >> 2 ) & 0x03 )
+ {
+ case 0x00: /* TO0TRG */
+ break;
+ case 0x01: /* T1 */
+ m_timer_change[1] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T16 */
+ m_timer_change[1] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ case 0x03: /* T256 */
+ m_timer_change[1] += ( m_timer_pre >> 15 ) - ( old_pre >> 15 );
+ break;
+ }
+
+ for( ; m_timer_change[1] > 0; m_timer_change[1]-- )
+ {
+ m_timer[1] += 1;
+ if ( m_timer[1] == m_reg[TMP95C063_TREG1] )
+ {
+ m_timer[1] = 0;
+ m_reg[TMP95C063_INTET01] |= 0x80;
+
+ if ( m_reg[TMP95C063_T02FFCR] & 0x02 )
+ {
+ //tlcs900_change_tff( 1, FF_INVERT );
+ }
+
+ /* In 16bit timer mode also reset timer 0 */
+ if ( ( m_reg[TMP95C063_T01MOD] & 0xc0 ) == 0x40 )
+ {
+ m_timer[0] = 0;
+ }
+ }
+ }
+ }
+
+ /* Timer 2 */
+ if ( m_reg[TMP95C063_T8RUN] & 0x04 )
+ {
+ switch( m_reg[TMP95C063_T23MOD] & 0x03 )
+ {
+ case 0x00: /* invalid */
+ case 0x01: /* T1 */
+ m_timer_change[2] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T4 */
+ m_timer_change[2] += ( m_timer_pre >> 9 ) - ( old_pre >> 9 );
+ break;
+ case 0x03: /* T16 */
+ m_timer_change[2] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ }
+
+ for( ; m_timer_change[2] > 0; m_timer_change[2]-- )
+ {
+ m_timer[2] += 1;
+ if ( m_timer[2] == m_reg[TMP95C063_TREG2] )
+ {
+ if ( ( m_reg[TMP95C063_T23MOD] & 0x0c ) == 0x00 )
+ {
+ m_timer_change[3] += 1;
+ }
+
+ /* In 16bit timer mode the timer should not be reset */
+ if ( ( m_reg[TMP95C063_T23MOD] & 0xc0 ) != 0x40 )
+ {
+ m_timer[2] = 0;
+ m_reg[TMP95C063_INTET23] |= 0x08;
+ }
+ }
+ }
+ }
+
+ /* Timer 3 */
+ if ( m_reg[TMP95C063_T8RUN] & 0x08 )
+ {
+ switch( ( m_reg[TMP95C063_T23MOD] >> 2 ) & 0x03 )
+ {
+ case 0x00: /* TO2TRG */
+ break;
+ case 0x01: /* T1 */
+ m_timer_change[3] += ( m_timer_pre >> 7 ) - ( old_pre >> 7 );
+ break;
+ case 0x02: /* T16 */
+ m_timer_change[3] += ( m_timer_pre >> 11 ) - ( old_pre >> 11 );
+ break;
+ case 0x03: /* T256 */
+ m_timer_change[3] += ( m_timer_pre >> 15 ) - ( old_pre >> 15 );
+ break;
+ }
+
+ for( ; m_timer_change[3] > 0; m_timer_change[3]-- )
+ {
+ m_timer[3] += 1;
+ if ( m_timer[3] == m_reg[TMP95C061_TREG3] )
+ {
+ m_timer[3] = 0;
+ m_reg[TMP95C063_INTET23] |= 0x80;
+
+ if ( m_reg[TMP95C063_T02FFCR] & 0x20 )
+ {
+ //tlcs900_change_tff( 3, FF_INVERT );
+ }
+
+ /* In 16bit timer mode also reset timer 2 */
+ if ( ( m_reg[TMP95C063_T23MOD] & 0xc0 ) == 0x40 )
+ {
+ m_timer[2] = 0;
+ }
+ }
+ }
+ }
+
+ m_timer_pre &= 0xffffff;
+}
+
+void tmp95c063_device::tlcs900_check_hdma()
+{
+ // TODO
+}
+
+void tmp95c063_device::tlcs900_check_irqs()
+{
+ int irq_vectors[9] = { -1, -1, -1, -1, -1, -1, -1, -1, -1 };
+ int level = 0;
+ int irq = -1;
+ int i;
+
+ /* Check for NMI */
+ if ( m_nmi_state == ASSERT_LINE )
+ {
+ m_xssp.d -= 4;
+ WRMEML( m_xssp.d, m_pc.d );
+ m_xssp.d -= 2;
+ WRMEMW( m_xssp.d, m_sr.w.l );
+ m_pc.d = RDMEML( 0xffff00 + 0x20 );
+ m_cycles += 18;
+ m_prefetch_clear = true;
+
+ m_halted = 0;
+
+ m_nmi_state = CLEAR_LINE;
+
+ return;
+ }
+
+ /* Check regular irqs */
+ for( i = 0; i < TMP95C063_NUM_MASKABLE_IRQS; i++ )
+ {
+ if ( m_reg[tmp95c063_irq_vector_map[i].reg] & tmp95c063_irq_vector_map[i].iff )
+ {
+ switch( tmp95c063_irq_vector_map[i].iff )
+ {
+ case 0x80:
+ irq_vectors[ ( m_reg[ tmp95c063_irq_vector_map[i].reg ] >> 4 ) & 0x07 ] = i;
+ break;
+ case 0x08:
+ irq_vectors[ m_reg[ tmp95c063_irq_vector_map[i].reg ] & 0x07 ] = i;
+ break;
+ }
+ }
+ }
+
+ /* Check highest allowed priority irq */
+ for ( i = MAX( 1, ( ( m_sr.b.h & 0x70 ) >> 4 ) ); i < 7; i++ )
+ {
+ if ( irq_vectors[i] >= 0 )
+ {
+ irq = irq_vectors[i];
+ level = i + 1;
+ }
+ }
+
+ /* Take irq */
+ if ( irq >= 0 )
+ {
+ UINT8 vector = tmp95c063_irq_vector_map[irq].vector;
+
+ m_xssp.d -= 4;
+ WRMEML( m_xssp.d, m_pc.d );
+ m_xssp.d -= 2;
+ WRMEMW( m_xssp.d, m_sr.w.l );
+
+ /* Mask off any lower priority interrupts */
+ m_sr.b.h = ( m_sr.b.h & 0x8f ) | ( level << 4 );
+
+ m_pc.d = RDMEML( 0xffff00 + vector );
+ m_cycles += 18;
+ m_prefetch_clear = true;
+
+ m_halted = 0;
+
+ /* Clear taken IRQ */
+ m_reg[ tmp95c063_irq_vector_map[irq].reg ] &= ~ tmp95c063_irq_vector_map[irq].iff;
+ }
+}
+
+
+void tmp95c063_device::tlcs900_handle_ad()
+{
+ // TODO
+}
+
+
+void tmp95c063_device::device_start()
+{
+ tlcs900h_device::device_start();
+
+ m_port1_read.resolve_safe(0);
+ m_port1_write.resolve_safe();
+ m_port2_write.resolve_safe();
+ m_port5_read.resolve_safe(0);
+ m_port5_write.resolve_safe();
+ m_port6_read.resolve_safe(0);
+ m_port6_write.resolve_safe();
+ m_port7_read.resolve_safe(0);
+ m_port7_write.resolve_safe();
+ m_port8_read.resolve_safe(0);
+ m_port8_write.resolve_safe();
+ m_port9_read.resolve_safe(0);
+ m_port9_write.resolve_safe();
+ m_porta_read.resolve_safe(0);
+ m_porta_write.resolve_safe();
+ m_portb_read.resolve_safe(0);
+ m_portb_write.resolve_safe();
+ m_portc_read.resolve_safe(0);
+ m_portd_read.resolve_safe(0);
+ m_portd_write.resolve_safe();
+ m_porte_read.resolve_safe(0);
+ m_porte_write.resolve_safe();
+}
+
+void tmp95c063_device::device_reset()
+{
+ int i;
+
+ m_pc.b.l = RDMEM( 0xFFFF00 );
+ m_pc.b.h = RDMEM( 0xFFFF01 );
+ m_pc.b.h2 = RDMEM( 0xFFFF02 );
+ m_pc.b.h3 = 0;
+ /* system mode, iff set to 111, max mode, register bank 0 */
+ m_sr.d = 0xF800;
+ m_regbank = 0;
+ m_xssp.d = 0x0100;
+ m_halted = 0;
+ m_check_irqs = 0;
+ m_ad_cycles_left = 0;
+ m_nmi_state = CLEAR_LINE;
+ m_timer_pre = 0;
+ m_timer_change[0] = 0;
+ m_timer_change[1] = 0;
+ m_timer_change[2] = 0;
+ m_timer_change[3] = 0;
+
+ m_reg[TMP95C063_P1] = 0x00;
+ m_reg[TMP95C063_P1CR] = 0x00;
+ m_reg[TMP95C063_P2] = 0xff;
+ m_reg[TMP95C063_P2FC] = 0x00;
+ m_reg[TMP95C063_P5] = 0x3d;
+ m_reg[TMP95C063_P5CR] = 0x00;
+ m_reg[TMP95C063_P5FC] = 0x00;
+ m_reg[TMP95C063_P6] = 0x3b;
+ m_reg[TMP95C063_P6FC] = 0x00;
+ m_reg[TMP95C063_P7] = 0xff;
+ m_reg[TMP95C063_P7CR] = 0x00;
+ m_reg[TMP95C063_P7FC] = 0x00;
+ m_reg[TMP95C063_P8] = 0x3f;
+ m_reg[TMP95C063_P8CR] = 0x00;
+ m_reg[TMP95C063_P8FC] = 0x00;
+ m_reg[TMP95C063_PA] = 0x0f;
+ m_reg[TMP95C063_PACR] = 0x00;
+ m_reg[TMP95C063_PAFC] = 0x00;
+ m_reg[TMP95C063_PB] = 0xff;
+ m_reg[TMP95C063_PBCR] = 0x00;
+ m_reg[TMP95C063_PBFC] = 0x00;
+ m_reg[TMP95C063_MSAR0] = 0xff;
+ m_reg[TMP95C063_MSAR1] = 0xff;
+ m_reg[TMP95C063_MSAR2] = 0xff;
+ m_reg[TMP95C063_MSAR3] = 0xff;
+ m_reg[TMP95C063_MAMR0] = 0xff;
+ m_reg[TMP95C063_MAMR1] = 0xff;
+ m_reg[TMP95C063_MAMR2] = 0xff;
+ m_reg[TMP95C063_MAMR3] = 0xff;
+ m_reg[TMP95C063_DREFCR1] = 0x00;
+ m_reg[TMP95C063_DMEMCR1] = 0x80;
+ m_reg[TMP95C063_DREFCR3] = 0x00;
+ m_reg[TMP95C063_DMEMCR3] = 0x80;
+ m_reg[TMP95C063_T01MOD] = 0x00;
+ m_reg[TMP95C063_T23MOD] = 0x00;
+ m_reg[TMP95C063_T02FFCR] = 0x00;
+ m_reg[TMP95C063_T46FFCR] = 0x00;
+ m_reg[TMP95C063_T8RUN] = 0x00;
+ m_reg[TMP95C063_TRDC] = 0x00;
+ m_reg[TMP95C063_T45MOD] = 0x20;
+ m_reg[TMP95C063_T46FFCR] = 0x00;
+ m_reg[TMP95C063_PG01CR] = 0x00;
+ m_reg[TMP95C063_PG0REG] = 0x00;
+ m_reg[TMP95C063_PG1REG] = 0x00;
+ m_reg[TMP95C063_SC0MOD] = 0x00;
+ m_reg[TMP95C063_SC0CR] = 0x00;
+ m_reg[TMP95C063_BR0CR] = 0x00;
+ m_reg[TMP95C063_SC1MOD] = 0x00;
+ m_reg[TMP95C063_SC1CR] = 0x00;
+ m_reg[TMP95C063_BR1CR] = 0x00;
+ m_reg[TMP95C063_P8FC] = 0x00;
+ m_reg[TMP95C063_ODE] = 0x00;
+ m_reg[TMP95C063_ADMOD1] = 0x00;
+ m_reg[TMP95C063_ADMOD2] = 0x00;
+ m_reg[TMP95C063_ADREG04L] = 0x3f;
+ m_reg[TMP95C063_ADREG04H] = 0x00;
+ m_reg[TMP95C063_ADREG15L] = 0x3f;
+ m_reg[TMP95C063_ADREG15H] = 0x00;
+ m_reg[TMP95C063_ADREG26L] = 0x3f;
+ m_reg[TMP95C063_ADREG26H] = 0x00;
+ m_reg[TMP95C063_ADREG37L] = 0x3f;
+ m_reg[TMP95C063_ADREG37H] = 0x00;
+ m_reg[TMP95C063_WDMOD] = 0x80;
+
+ for ( i = 0; i < TLCS900_NUM_INPUTS; i++ )
+ {
+ m_level[i] = CLEAR_LINE;
+ }
+ m_prefetch_clear = true;
+}
+
+READ8_MEMBER( tmp95c063_device::internal_r )
+{
+ switch (offset)
+ {
+ case TMP95C063_P1: m_reg[offset] = m_port1_read(0); break;
+ case TMP95C063_P5: m_reg[offset] = m_port5_read(0); break;
+ case TMP95C063_P6: m_reg[offset] = m_port6_read(0); break;
+ case TMP95C063_P7: m_reg[offset] = m_port7_read(0); break;
+ case TMP95C063_P8: m_reg[offset] = m_port8_read(0); break;
+ case TMP95C063_P9: m_reg[offset] = m_port9_read(0); break;
+ case TMP95C063_PA: m_reg[offset] = m_porta_read(0); break;
+ case TMP95C063_PB: m_reg[offset] = m_portb_read(0); break;
+ case TMP95C063_PC: m_reg[offset] = m_portc_read(0); break;
+ case TMP95C063_PD: m_reg[offset] = m_portd_read(0); break;
+ case TMP95C063_PE: m_reg[offset] = m_porte_read(0); break;
+ }
+ return m_reg[ offset ];
+}
+
+
+WRITE8_MEMBER( tmp95c063_device::internal_w )
+{
+ switch ( offset )
+ {
+ case TMP95C063_T8RUN:
+ if ( ! ( data & 0x01 ) )
+ {
+ m_timer[0] = 0;
+ m_timer_change[0] = 0;
+ }
+ if ( ! ( data & 0x02 ) )
+ {
+ m_timer[1] = 0;
+ m_timer_change[1] = 0;
+ }
+ if ( ! ( data & 0x04 ) )
+ {
+ m_timer[2] = 0;
+ m_timer_change[2] = 0;
+ }
+ if ( ! ( data & 0x08 ) )
+ {
+ m_timer[3] = 0;
+ m_timer_change[3] = 0;
+ }
+ if ( ! ( data & 0x10 ) )
+ m_timer[4] = 0;
+ if ( ! ( data & 0x20 ) )
+ m_timer[5] = 0;
+ break;
+
+ case TMP95C063_T02FFCR:
+ switch( data & 0x0c )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 1, FF_INVERT );
+ break;
+ case 0x04:
+ //tlcs900_change_tff( 1, FF_SET );
+ break;
+ case 0x08:
+ //tlcs900_change_tff( 1, FF_CLEAR );
+ break;
+ }
+ switch( data & 0xc0 )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 3, FF_INVERT );
+ break;
+ case 0x40:
+ //tlcs900_change_tff( 3, FF_SET );
+ break;
+ case 0x80:
+ //tlcs900_change_tff( 3, FF_CLEAR );
+ break;
+ }
+ break;
+
+ case TMP95C063_T46FFCR:
+ switch( data & 0x0c )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 5, FF_INVERT );
+ break;
+ case 0x04:
+ //tlcs900_change_tff( 5, FF_SET );
+ break;
+ case 0x08:
+ //tlcs900_change_tff( 5, FF_CLEAR );
+ break;
+ }
+ switch( data & 0xc0 )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 7, FF_INVERT );
+ break;
+ case 0x40:
+ //tlcs900_change_tff( 7, FF_SET );
+ break;
+ case 0x80:
+ //tlcs900_change_tff( 7, FF_CLEAR );
+ break;
+ }
+ break;
+
+ case TMP95C063_T8FFCR:
+ switch( data & 0x03 )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 8, FF_INVERT );
+ break;
+ case 0x01:
+ //tlcs900_change_tff( 8, FF_SET );
+ break;
+ case 0x02:
+ //tlcs900_change_tff( 8, FF_CLEAR );
+ break;
+ }
+ switch( data & 0xc0 )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 9, FF_INVERT );
+ break;
+ case 0x40:
+ //tlcs900_change_tff( 9, FF_SET );
+ break;
+ case 0x80:
+ //tlcs900_change_tff( 9, FF_CLEAR );
+ break;
+ }
+ break;
+
+ case TMP95C063_T9FFCR:
+ switch( data & 0x03 )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 0xa, FF_INVERT );
+ break;
+ case 0x01:
+ //tlcs900_change_tff( 0xa, FF_SET );
+ break;
+ case 0x02:
+ //tlcs900_change_tff( 0xa, FF_CLEAR );
+ break;
+ }
+ switch( data & 0xc0 )
+ {
+ case 0x00:
+ //tlcs900_change_tff( 0xb, FF_INVERT );
+ break;
+ case 0x40:
+ //tlcs900_change_tff( 0xb, FF_SET );
+ break;
+ case 0x80:
+ //tlcs900_change_tff( 0xb, FF_CLEAR );
+ break;
+ }
+ break;
+
+ case TMP95C063_MSAR0:
+ case TMP95C063_MAMR0:
+ case TMP95C063_MSAR1:
+ case TMP95C063_MAMR1:
+ break;
+
+ case TMP95C063_WDMOD:
+ case TMP95C063_WDCR:
+ break;
+
+ case TMP95C063_INTE0AD:
+ case TMP95C063_INTE12:
+ case TMP95C063_INTE34:
+ case TMP95C063_INTE56:
+ case TMP95C063_INTE78:
+ case TMP95C063_INTET01:
+ case TMP95C063_INTET23:
+ case TMP95C063_INTET45:
+ case TMP95C063_INTET67:
+ case TMP95C063_INTET89:
+ case TMP95C063_INTETAB:
+ case TMP95C063_INTES0:
+ case TMP95C063_INTES1:
+ case TMP95C063_INTETC01:
+ case TMP95C063_INTETC23:
+ if ( data & 0x80 )
+ data = ( data & 0x7f ) | ( m_reg[offset] & 0x80 );
+ if ( data & 0x08 )
+ data = ( data & 0xf7 ) | ( m_reg[offset] & 0x08 );
+ break;
+
+ case TMP95C063_IIMC:
+ break;
+
+ default:
+ break;
+ }
+
+ m_check_irqs = 1;
+ m_reg[ offset ] = data;
+
+ switch (offset)
+ {
+ case TMP95C063_P1: m_port1_write(0, data, 0xff); break;
+ case TMP95C063_P2: m_port2_write(0, data, 0xff); break;
+ case TMP95C063_P5: m_port5_write(0, data, 0xff); break;
+ case TMP95C063_P6: m_port6_write(0, data, 0xff); break;
+ case TMP95C063_P7: m_port7_write(0, data, 0xff); break;
+ case TMP95C063_P8: m_port8_write(0, data, 0xff); break;
+ case TMP95C063_P9: m_port9_write(0, data, 0xff); break;
+ case TMP95C063_PA: m_porta_write(0, data, 0xff); break;
+ case TMP95C063_PB: m_portb_write(0, data, 0xff); break;
+ //case TMP95C063_PC: m_portc_write(0, data, 0xff); break;
+ case TMP95C063_PD: m_portd_write(0, data, 0xff); break;
+ case TMP95C063_PE: m_porte_write(0, data, 0xff); break;
+ }
+}
+
+
+void tmp95c063_device::execute_set_input(int input, int level)
+{
+ switch( input )
+ {
+ case INPUT_LINE_NMI:
+ case TLCS900_NMI:
+ if ( m_level[TLCS900_NMI] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_nmi_state = level;
+ }
+ m_level[TLCS900_NMI] = level;
+ break;
+
+ case TLCS900_INTWD:
+ break;
+
+ case TLCS900_INT0:
+ /* Is INT0 functionality enabled? */
+ if (m_reg[TMP95C063_IIMC] & 0x04)
+ {
+ if (m_reg[TMP95C063_IIMC] & 0x02)
+ {
+ /* Rising edge detect */
+ if (m_level[TLCS900_INT0] == CLEAR_LINE && level == ASSERT_LINE)
+ {
+ /* Leave HALT state */
+ m_halted = 0;
+ m_reg[TMP95C063_INTE0AD] |= 0x08;
+ }
+ }
+ else
+ {
+ /* Level detect */
+ if (level == ASSERT_LINE)
+ m_reg[TMP95C063_INTE0AD] |= 0x08;
+ else
+ m_reg[TMP95C063_INTE0AD] &= ~ 0x08;
+ }
+ }
+ m_level[TLCS900_INT0] = level;
+ break;
+
+ case TLCS900_INT1:
+ if (m_level[TLCS900_INT1] == CLEAR_LINE && level == ASSERT_LINE)
+ {
+ m_reg[TMP95C063_INTE12] |= 0x08;
+ }
+ else if (m_level[TLCS900_INT1] == ASSERT_LINE && level == CLEAR_LINE)
+ {
+ m_reg[TMP95C063_INTE12] &= ~0x08;
+ }
+ m_level[TLCS900_INT1] = level;
+ break;
+
+ case TLCS900_INT2:
+ if (m_level[TLCS900_INT2] == CLEAR_LINE && level == ASSERT_LINE)
+ {
+ m_reg[TMP95C063_INTE12] |= 0x80;
+ }
+ else if (m_level[TLCS900_INT2] == ASSERT_LINE && level == CLEAR_LINE)
+ {
+ m_reg[TMP95C063_INTE12] &= ~0x80;
+ }
+ m_level[TLCS900_INT2] = level;
+ break;
+
+ case TLCS900_INT3:
+ if (m_level[TLCS900_INT3] == CLEAR_LINE && level == ASSERT_LINE)
+ {
+ m_reg[TMP95C063_INTE34] |= 0x08;
+ }
+ else if (m_level[TLCS900_INT3] == ASSERT_LINE && level == CLEAR_LINE)
+ {
+ m_reg[TMP95C063_INTE34] &= ~0x08;
+ }
+ m_level[TLCS900_INT3] = level;
+ break;
+
+ case TLCS900_INT4:
+ if ( ! ( m_reg[TMP95C063_PBCR] & 0x01 ) )
+ {
+ if ( m_level[TLCS900_INT4] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_reg[TMP95C063_INTE34] |= 0x80;
+ }
+ }
+ m_level[TLCS900_INT4] = level;
+ break;
+
+ case TLCS900_INT5:
+ if ( ! ( m_reg[TMP95C063_PBCR] & 0x02 ) )
+ {
+ if ( m_level[TLCS900_INT5] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_reg[TMP95C063_INTE56] |= 0x08;
+ }
+ }
+ m_level[TLCS900_INT5] = level;
+ break;
+
+ case TLCS900_INT6:
+ if (m_level[TLCS900_INT6] == CLEAR_LINE && level == ASSERT_LINE)
+ {
+ m_reg[TMP95C063_INTE56] |= 0x80;
+ }
+ else if (m_level[TLCS900_INT6] == ASSERT_LINE && level == CLEAR_LINE)
+ {
+ m_reg[TMP95C063_INTE56] &= ~0x80;
+ }
+ m_level[TLCS900_INT6] = level;
+ break;
+
+ case TLCS900_TIO: /* External timer input for timer 0 */
+ if ( ( m_reg[TMP95C063_T8RUN] & 0x01 ) && ( m_reg[TMP95C063_T01MOD] & 0x03 ) == 0x00 )
+ {
+ if ( m_level[TLCS900_TIO] == CLEAR_LINE && level == ASSERT_LINE )
+ {
+ m_timer_change[0] += 1;
+ }
+ }
+ m_level[TLCS900_TIO] = level;
+ break;
+ }
+ m_check_irqs = 1;
+}