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- esrip.c: Modernized Entertainment Sciences Real Time Image Processor (ESRIP) core. [MooglyGuy]
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Ryan Holtz
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091239a79c
commit
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@ -20,6 +20,14 @@
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***************************************************************************/
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/***************************************************************************
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INTERFACE CONFIGURATION MACROS
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***************************************************************************/
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#define MCFG_CPU_ESRIP_CONFIG(_config) \
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esrip_device::static_set_config(*device, _config); \
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/***************************************************************************
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REGISTER ENUMERATION
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***************************************************************************/
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@ -77,24 +85,192 @@ enum
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ESRIP_IADDR,
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};
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/***************************************************************************
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CONFIGURATION STRUCTURE
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***************************************************************************/
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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class esrip_device;
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// ======================> esrip_config
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struct esrip_config
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{
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read16_device_func fdt_r;
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write16_device_func fdt_w;
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UINT8 (*status_in)(running_machine &machine);
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int (*draw)(running_machine &machine, int l, int r, int fig, int attr, int addr, int col, int x_scale, int bank);
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const char* const lbrm_prom;
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const char* lbrm_prom;
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};
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/***************************************************************************
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PUBLIC FUNCTIONS
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***************************************************************************/
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// device type definition
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extern const device_type ESRIP;
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DECLARE_LEGACY_CPU_DEVICE(ESRIP, esrip);
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// ======================> esrip_device
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extern UINT8 get_rip_status(device_t *cpu);
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// Used by core CPU interface
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class esrip_device : public cpu_device,
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public esrip_config
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{
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public:
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// construction/destruction
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esrip_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
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// inline configuration helpers
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static void static_set_config(device_t &device, const esrip_config &config);
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// public interfaces
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UINT8 get_rip_status();
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protected:
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// device-level overrides
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virtual void device_start();
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virtual void device_reset();
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virtual void device_stop();
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void make_ops();
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// device_execute_interface overrides
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virtual UINT32 execute_min_cycles() const;
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virtual UINT32 execute_max_cycles() const;
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virtual UINT32 execute_input_lines() const;
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virtual void execute_run();
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virtual void execute_set_input(int inputnum, int state);
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// device_memory_interface overrides
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virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
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// device_disasm_interface overrides
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virtual UINT32 disasm_min_opcode_bytes() const;
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virtual UINT32 disasm_max_opcode_bytes() const;
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virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
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// device_state_interface overrides
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virtual void state_string_export(const device_state_entry &entry, astring &string);
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// address spaces
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const address_space_config m_program_config;
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// CPU registers
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UINT16 m_ram[32];
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UINT16 m_acc;
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UINT16 m_d_latch;
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UINT16 m_i_latch;
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UINT16 m_result;
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UINT8 m_new_status;
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UINT8 m_status;
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UINT16 m_inst;
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UINT8 m_immflag;
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UINT8 m_ct;
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UINT8 m_t;
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/* Instruction latches - current and previous values */
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UINT8 m_l1, m_pl1;
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UINT8 m_l2, m_pl2;
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UINT8 m_l3, m_pl3;
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UINT8 m_l4, m_pl4;
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UINT8 m_l5, m_pl5;
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UINT8 m_l6, m_pl6;
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UINT8 m_l7, m_pl7;
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UINT8 m_pc;
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UINT16 m_rip_pc;
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UINT8 m_status_out;
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UINT8 m_x_scale;
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UINT8 m_y_scale;
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UINT8 m_img_bank;
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UINT8 m_line_latch;
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UINT16 m_fig_latch;
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UINT16 m_attr_latch;
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UINT16 m_adl_latch;
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UINT16 m_adr_latch;
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UINT16 m_iaddr_latch;
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UINT8 m_c_latch;
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UINT16 m_fdt_cnt;
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UINT16 m_ipt_cnt;
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UINT8 m_fig;
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UINT16 m_fig_cycles;
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UINT8 m_optable[65536];
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UINT16 *m_ipt_ram;
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UINT8 *m_lbrm;
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address_space *m_program;
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direct_read_data *m_direct;
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int m_icount;
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read16_device_func m_fdt_r;
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write16_device_func m_fdt_w;
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UINT8 (*m_status_in)(running_machine &machine);
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int (*m_draw)(running_machine &machine, int l, int r, int fig, int attr, int addr, int col, int x_scale, int bank);
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typedef void (esrip_device::*ophandler)(UINT16 inst);
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ophandler m_opcode[24];
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static const ophandler s_opcodetable[24];
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private:
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int get_hblank();
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int get_lbrm();
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int check_jmp(UINT8 jmp_ctrl);
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// flags
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void calc_z_flag(UINT16 res);
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void calc_c_flag_add(UINT16 a, UINT16 b);
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void calc_c_flag_sub(UINT16 a, UINT16 b);
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void calc_n_flag(UINT16 res);
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void calc_v_flag_add(UINT16 a, UINT16 b, UINT32 r);
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void calc_v_flag_sub(UINT16 a, UINT16 b, UINT32 r);
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// opcodes
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UINT16 sor_op(UINT16 r, UINT16 opcode);
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void sor(UINT16 inst);
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void sonr(UINT16 inst);
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UINT16 tor_op(UINT16 r, UINT16 s, int opcode);
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void tonr(UINT16 inst);
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void tor1(UINT16 inst);
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void tor2(UINT16 inst);
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void bonr(UINT16 inst);
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void bor1(UINT16 inst);
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void bor2(UINT16 inst);
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void rotr1(UINT16 inst);
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void rotr2(UINT16 inst);
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void rotnr(UINT16 inst);
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void rotc(UINT16 inst);
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void rotm(UINT16 inst);
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void prt(UINT16 inst);
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void prtnr(UINT16 inst);
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void crcf(UINT16 inst);
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void crcr(UINT16 inst);
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UINT16 shift_op(UINT16 u, int opcode);
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void shftr(UINT16 inst);
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void shftnr(UINT16 inst);
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void svstr(UINT16 inst);
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void rstst(UINT16 inst);
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void setst(UINT16 inst);
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void test(UINT16 inst);
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void nop(UINT16 inst);
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void am29116_execute(UINT16 inst, int _sre);
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};
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CPU_DISASSEMBLE( esrip );
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#endif /* _ESRIP_H */
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@ -129,10 +129,6 @@ protected:
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direct_read_data *m_direct;
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};
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// device type definition
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extern const device_type ATMEGA88;
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extern const device_type ATMEGA644;
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// ======================> m6809_device
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class m6809_device : public m6809_base_device
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@ -95,7 +95,7 @@ READ8_MEMBER(esripsys_state::uart_r)
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READ8_MEMBER(esripsys_state::g_status_r)
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{
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int bank4 = BIT(get_rip_status(machine().device("video_cpu")), 2);
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int bank4 = BIT(m_videocpu->get_rip_status(), 2);
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int vblank = machine().primary_screen->vblank();
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return (!vblank << 7) | (bank4 << 6) | (m_f_status & 0x2f);
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@ -144,7 +144,7 @@ WRITE8_MEMBER(esripsys_state::g_status_w)
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READ8_MEMBER(esripsys_state::f_status_r)
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{
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int vblank = machine().primary_screen->vblank();
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UINT8 rip_status = get_rip_status(machine().device("video_cpu"));
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UINT8 rip_status = m_videocpu->get_rip_status();
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rip_status = (rip_status & 0x18) | (BIT(rip_status, 6) << 1) | BIT(rip_status, 7);
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@ -705,7 +705,7 @@ static MACHINE_CONFIG_START( esripsys, esripsys_state )
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MCFG_CPU_ADD("video_cpu", ESRIP, XTAL_40MHz / 4)
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MCFG_CPU_PROGRAM_MAP(video_cpu_map)
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MCFG_CPU_CONFIG(rip_config)
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MCFG_CPU_ESRIP_CONFIG(rip_config)
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MCFG_CPU_ADD("sound_cpu", M6809E, XTAL_8MHz)
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MCFG_CPU_PROGRAM_MAP(sound_cpu_map)
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@ -4,6 +4,13 @@
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*************************************************************************/
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#ifndef _ESRIPSYS_H_
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#define _ESRIPSYS_H_
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#pragma once
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#include "cpu/esrip/esrip.h"
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/* TODO */
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#define ESRIPSYS_PIXEL_CLOCK (XTAL_25MHz / 2)
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#define ESRIPSYS_HTOTAL (512 + 141 + 2)
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@ -28,8 +35,11 @@ class esripsys_state : public driver_device
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public:
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esripsys_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag),
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m_videocpu(*this, "video_cpu"),
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m_pal_ram(*this, "pal_ram") { }
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required_device<esrip_device> m_videocpu;
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UINT8 m_g_iodata;
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UINT8 m_g_ioaddr;
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UINT8 m_coin_latch;
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@ -102,3 +112,5 @@ public:
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/*----------- defined in video/esripsys.c -----------*/
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int esripsys_draw(running_machine &machine, int l, int r, int fig, int attr, int addr, int col, int x_scale, int bank);
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#endif // _ESRIPSYS_H_
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