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Diffstat (limited to 'src/devices/cpu/tms1000/tms1k_base.h')
-rw-r--r--src/devices/cpu/tms1000/tms1k_base.h93
1 files changed, 49 insertions, 44 deletions
diff --git a/src/devices/cpu/tms1000/tms1k_base.h b/src/devices/cpu/tms1000/tms1k_base.h
index 7ddff2bb68f..b5e75ec77d2 100644
--- a/src/devices/cpu/tms1000/tms1k_base.h
+++ b/src/devices/cpu/tms1000/tms1k_base.h
@@ -38,6 +38,9 @@
#define MCFG_TMS1XXX_POWER_OFF_CB(_devcb) \
devcb = &tms1k_base_device::set_power_off_callback(*device, DEVCB_##_devcb);
+// HALT input pin on CMOS chips (use set_input_line)
+#define TMS1XXX_INPUT_LINE_HALT 0
+
// pinout reference
@@ -105,6 +108,7 @@ protected:
virtual u32 execute_min_cycles() const override { return 1; }
virtual u32 execute_max_cycles() const override { return 6; }
virtual u32 execute_input_lines() const override { return 1; }
+ virtual void execute_set_input(int line, int state) override;
virtual void execute_run() override;
// device_memory_interface overrides
@@ -214,50 +218,51 @@ protected:
optional_device<pla_device> m_opla;
optional_device<pla_device> m_spla;
- u8 m_pc; // 6 or 7-bit program counter
- u32 m_sr; // 6 or 7-bit subroutine return register(s)
- u8 m_pa; // 4-bit page address register
- u8 m_pb; // 4-bit page buffer register
- u16 m_ps; // 4-bit page subroutine register(s)
- u8 m_a; // 4-bit accumulator
- u8 m_x; // 2,3,or 4-bit RAM X register
- u8 m_y; // 4-bit RAM Y register
- u8 m_ca; // chapter address register
- u8 m_cb; // chapter buffer register
- u16 m_cs; // chapter subroutine register(s)
- u16 m_r;
- u16 m_o;
- u8 m_cki_bus;
- u8 m_c4;
- u8 m_p; // 4-bit adder p(lus)-input
- u8 m_n; // 4-bit adder n(egative)-input
- u8 m_adder_out; // adder result
- u8 m_carry_in; // adder carry-in bit
- u8 m_carry_out; // adder carry-out bit
- u8 m_status;
- u8 m_status_latch;
- u8 m_eac; // end around carry bit
- u8 m_clatch; // call latch bit(s)
- u8 m_add; // add latch bit
- u8 m_bl; // branch latch bit
-
- u8 m_ram_in;
- u8 m_dam_in;
- int m_ram_out; // signed!
- u8 m_ram_address;
- u16 m_rom_address;
- u16 m_opcode;
- u32 m_fixed;
- u32 m_micro;
- int m_subcycle;
- int m_icount;
- u8 m_o_index;
-
- u8 m_o_pins; // how many O pins
- u8 m_r_pins; // how many R pins
- u8 m_pc_bits; // how many program counter bits
- u8 m_byte_bits; // how many bits per 'byte'
- u8 m_x_bits; // how many X register bits
+ u8 m_pc; // 6 or 7-bit program counter
+ u32 m_sr; // 6 or 7-bit subroutine return register(s)
+ u8 m_pa; // 4-bit page address register
+ u8 m_pb; // 4-bit page buffer register
+ u16 m_ps; // 4-bit page subroutine register(s)
+ u8 m_a; // 4-bit accumulator
+ u8 m_x; // 2,3,or 4-bit RAM X register
+ u8 m_y; // 4-bit RAM Y register
+ u8 m_ca; // chapter address register
+ u8 m_cb; // chapter buffer register
+ u16 m_cs; // chapter subroutine register(s)
+ u16 m_r;
+ u16 m_o;
+ u8 m_cki_bus;
+ u8 m_c4;
+ u8 m_p; // 4-bit adder p(lus)-input
+ u8 m_n; // 4-bit adder n(egative)-input
+ u8 m_adder_out; // adder result
+ u8 m_carry_in; // adder carry-in bit
+ u8 m_carry_out; // adder carry-out bit
+ u8 m_status;
+ u8 m_status_latch;
+ u8 m_eac; // end around carry bit
+ u8 m_clatch; // call latch bit(s)
+ u8 m_add; // add latch bit
+ u8 m_bl; // branch latch bit
+
+ u8 m_ram_in;
+ u8 m_dam_in;
+ int m_ram_out; // signed!
+ u8 m_ram_address;
+ u16 m_rom_address;
+ u16 m_opcode;
+ u32 m_fixed;
+ u32 m_micro;
+ int m_subcycle;
+ int m_icount;
+ u8 m_o_index;
+ bool m_halt; // halt pin state
+
+ u8 m_o_pins; // how many O pins
+ u8 m_r_pins; // how many R pins
+ u8 m_pc_bits; // how many program counter bits
+ u8 m_byte_bits; // how many bits per 'byte'
+ u8 m_x_bits; // how many X register bits
address_space *m_program;
address_space *m_data;