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Diffstat (limited to 'src/emu/cpu/tms0980/tms0980.h')
-rw-r--r--src/emu/cpu/tms0980/tms0980.h52
1 files changed, 37 insertions, 15 deletions
diff --git a/src/emu/cpu/tms0980/tms0980.h b/src/emu/cpu/tms0980/tms0980.h
index 79b9c8076bf..1b0d3e2a910 100644
--- a/src/emu/cpu/tms0980/tms0980.h
+++ b/src/emu/cpu/tms0980/tms0980.h
@@ -21,18 +21,29 @@
#define MCFG_TMS1XXX_WRITE_O_CB(_devcb) \
tms1xxx_cpu_device::set_write_o_callback(*device, DEVCB_##_devcb);
+// Use this if the output PLA is unknown:
+// If the microinstructions (or other) PLA is unknown, try using one from another romset.
+#define MCFG_TMS1XXX_OUTPUT_PLA(_pla) \
+ tms1xxx_cpu_device::set_output_pla(*device, _pla);
+
// R output pins (also called D on some chips)
#define MCFG_TMS1XXX_WRITE_R_CB(_devcb) \
tms1xxx_cpu_device::set_write_r_callback(*device, DEVCB_##_devcb);
-// OFF opcode on TMS0980 and up
+// OFF request on TMS0980 and up
#define MCFG_TMS1XXX_POWER_OFF_CB(_devcb) \
tms1xxx_cpu_device::set_power_off_callback(*device, DEVCB_##_devcb);
-// Use this if the output PLA is unknown:
-// If the microinstructions (or other) PLA is unknown, try using one from another romset.
-#define MCFG_TMS1XXX_OUTPUT_PLA(_pla) \
- tms1xxx_cpu_device::set_output_pla(*device, _pla);
+
+// TMS0270 was designed to interface with TMS5100, set it up at driver level
+#define MCFG_TMS0270_READ_CTL_CB(_devcb) \
+ tms0270_cpu_device::set_read_ctl_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_TMS0270_WRITE_CTL_CB(_devcb) \
+ tms0270_cpu_device::set_write_ctl_callback(*device, DEVCB_##_devcb);
+
+#define MCFG_TMS0270_WRITE_PDC_CB(_devcb) \
+ tms0270_cpu_device::set_write_pdc_callback(*device, DEVCB_##_devcb);
@@ -40,9 +51,7 @@ class tms1xxx_cpu_device : public cpu_device
{
public:
// construction/destruction
- tms1xxx_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock
- , UINT8 o_pins, UINT8 r_pins, UINT8 k_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits
- , int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source)
+ tms1xxx_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source)
: cpu_device(mconfig, type, name, tag, owner, clock, shortname, source)
, m_program_config("program", ENDIANNESS_BIG, byte_bits > 8 ? 16 : 8, prgwidth, 0, program)
, m_data_config("data", ENDIANNESS_BIG, 8, datawidth, 0, data)
@@ -52,7 +61,6 @@ public:
, m_spla(*this, "spla")
, m_o_pins(o_pins)
, m_r_pins(r_pins)
- , m_k_pins(k_pins)
, m_pc_bits(pc_bits)
, m_byte_bits(byte_bits)
, m_x_bits(x_bits)
@@ -164,7 +172,6 @@ protected:
UINT8 m_o_pins; // how many O pins
UINT8 m_r_pins; // how many R pins
- UINT8 m_k_pins; // how many K pins
UINT8 m_pc_bits; // how many program counter bits
UINT8 m_byte_bits; // how many bits per 'byte'
UINT8 m_x_bits; // how many X register bits
@@ -196,7 +203,7 @@ class tms1000_cpu_device : public tms1xxx_cpu_device
{
public:
tms1000_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
- tms1000_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 k_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
+ tms1000_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
protected:
// overrides
@@ -225,7 +232,7 @@ class tms1100_cpu_device : public tms1000_cpu_device
{
public:
tms1100_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
- tms1100_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 k_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
+ tms1100_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
protected:
// overrides
@@ -248,7 +255,7 @@ class tms0970_cpu_device : public tms1000_cpu_device
{
public:
tms0970_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
- tms0970_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 k_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
+ tms0970_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
protected:
// overrides
@@ -266,7 +273,7 @@ class tms0980_cpu_device : public tms0970_cpu_device
{
public:
tms0980_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
- tms0980_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 k_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
+ tms0980_cpu_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT8 o_pins, UINT8 r_pins, UINT8 pc_bits, UINT8 byte_bits, UINT8 x_bits, int prgwidth, address_map_constructor program, int datawidth, address_map_constructor data, const char *shortname, const char *source);
protected:
// overrides
@@ -278,6 +285,7 @@ protected:
virtual UINT32 disasm_max_opcode_bytes() const { return 2; }
virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
+ virtual UINT8 read_k_input();
virtual void set_cki_bus();
virtual void read_opcode();
@@ -291,6 +299,11 @@ class tms0270_cpu_device : public tms0980_cpu_device
{
public:
tms0270_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // static configuration helpers
+ template<class _Object> static devcb_base &set_read_ctl_callback(device_t &device, _Object object) { return downcast<tms0270_cpu_device &>(device).m_read_ctl.set_callback(object); }
+ template<class _Object> static devcb_base &set_write_ctl_callback(device_t &device, _Object object) { return downcast<tms0270_cpu_device &>(device).m_write_ctl.set_callback(object); }
+ template<class _Object> static devcb_base &set_write_pdc_callback(device_t &device, _Object object) { return downcast<tms0270_cpu_device &>(device).m_write_pdc.set_callback(object); }
protected:
// overrides
@@ -307,14 +320,23 @@ protected:
virtual void op_setr();
virtual void op_rstr();
virtual void op_tdo();
+ virtual void op_off();
private:
- UINT8 m_a_prev;
+ // state specific to interface with TMS5100
UINT16 m_r_prev;
+ UINT8 m_chipsel;
+ UINT8 m_ctl_out;
+ UINT8 m_ctl_dir;
+ int m_pdc;
UINT8 m_o_latch_low;
UINT8 m_o_latch;
UINT8 m_o_latch_prev;
+
+ devcb_read8 m_read_ctl;
+ devcb_write8 m_write_ctl;
+ devcb_write_line m_write_pdc;
};