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https://github.com/holub/mame
synced 2025-04-26 18:23:08 +03:00
Checkpoint from local SVN,added more sophistication to cops DACIA (nw)
This commit is contained in:
James Wallace
parent
616eeffd47
commit
fa4d1fe447
@ -8,6 +8,10 @@
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Bad Boys by Inner Circle, so there is muscial accompaniment to areas
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where the laserdisc audio is muted.
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NOTES: To boot up Revelations, turn the refill key (R) and press button A.
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TODO: There are probably more ROMs for Revelations, the disc contains
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full data for a picture based memory game called 'Vision Quest'.
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TODO: There are probably more ROMs for Revelations, the disc contains
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full data for a picture based memory game called 'Vision Quest'.
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@ -28,9 +32,12 @@
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#include "cops.lh"
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#define LOG_CDROM 1
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#define LOG_CDROM 0
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#define LOG_DACIA 0
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#define CMP_REGISTER 0
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#define AUX_REGISTER 1
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#define MAIN_CLOCK XTAL_4MHz
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class cops_state : public driver_device
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@ -65,6 +72,7 @@ public:
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DECLARE_WRITE_LINE_MEMBER(via1_irq);
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DECLARE_WRITE_LINE_MEMBER(via2_irq);
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void dacia_receive(UINT8 data);
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void update_dacia_irq();
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DECLARE_WRITE8_MEMBER(dacia_w);
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DECLARE_READ8_MEMBER(dacia_r);
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DECLARE_WRITE8_MEMBER(via1_b_w);
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@ -78,6 +86,24 @@ public:
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UINT8 m_lcd_addr_l, m_lcd_addr_h;
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UINT8 m_lcd_data_l, m_lcd_data_h;
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UINT8 m_dacia_irq1_reg;
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UINT8 m_dacia_rts1;
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UINT8 m_dacia_dtr1;
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UINT8 m_parity_1;
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UINT8 m_parity_mode_1;
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UINT8 m_bpc_1;
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int m_dacia_ic_div_1;
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UINT8 m_dacia_echo1;
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UINT8 m_dacia_stp_1;
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UINT8 m_dacia_reg1;
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UINT8 m_dacia_fe1;
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UINT8 m_dacia_cmp1;
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UINT8 m_dacia_cmpval1;
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UINT8 m_dacia_cts;
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UINT8 m_dacia_dcd;
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UINT8 m_dacia_trans;
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UINT8 m_dacia_receiver_data;
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UINT8 m_dacia_receiver_full;
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@ -106,11 +132,32 @@ public:
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LD_INPUT_TEXT_GET_SET_WINDOW
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} m_ld_input_state;
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UINT8 generate_isr();
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void laserdisc_w(UINT8 data);
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void laserdisc_response_w(UINT8 data);
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DECLARE_PALETTE_INIT( cops );
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};
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const int timer_divide_select[16] =
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{
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73728,
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33538,
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27408,
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24576,
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12288,
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6144,
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3072,
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2048,
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1536,
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1024,
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768,
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512,
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384,
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192,
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96,
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16
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};
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void cops_state::video_start()
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{
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}
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@ -155,6 +202,8 @@ READ8_MEMBER(cops_state::cdrom_data_r)
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TIMER_CALLBACK_MEMBER(cops_state::ld_timer_callback)
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{
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m_dacia_receiver_full = 1;
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if ( m_ld_command_current_byte < m_ld_command_total_bytes )
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{
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dacia_receive(m_ld_command_to_send[m_ld_command_current_byte]);
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@ -309,22 +358,80 @@ void cops_state::laserdisc_w(UINT8 data)
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*
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*************************************/
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void cops_state::dacia_receive(UINT8 data)
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void cops_state::update_dacia_irq()
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{
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m_dacia_receiver_data = data;
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m_dacia_receiver_full = 1;
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m_maincpu->set_input_line(INPUT_LINE_NMI, PULSE_LINE);
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UINT8 isr = generate_isr();
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//remove bits
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isr &= ~m_dacia_irq1_reg;
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m_maincpu->set_input_line(INPUT_LINE_NMI, isr? ASSERT_LINE:CLEAR_LINE);
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}
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void cops_state::dacia_receive(UINT8 data)
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{
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if (m_dacia_cmp1)
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{
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if (m_dacia_cmpval1 == data)
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{
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m_dacia_receiver_data = data;
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m_dacia_receiver_full = 1;
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update_dacia_irq();
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m_dacia_cmp1 =0;
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m_dacia_cts =1;
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m_dacia_trans =1;
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}
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}
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else
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{
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m_dacia_receiver_data = data;
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m_dacia_receiver_full = 1;
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update_dacia_irq();
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m_dacia_cts =1;
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m_dacia_trans =1;
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}
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}
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UINT8 cops_state::generate_isr()
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{
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UINT8 isr =0;
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isr |= m_dacia_receiver_full;
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isr |= (m_dacia_cmp1 << 1);
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isr |= (m_dacia_trans <<4);
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if (isr)
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{
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isr |= 0x40;
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}
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return isr;
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}
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READ8_MEMBER(cops_state::dacia_r)
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{
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switch(offset & 0x07)
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{
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case 0: /* ISR1: Interrupt Status Register */
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return 0x40 | m_dacia_receiver_full; /* Bit 6: Transmit Data Register Empty (TDRE) */
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{
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UINT8 isr = generate_isr();
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m_dacia_trans =0;
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m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
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return isr;
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}
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case 1: /* CSR1: Control Status Register */
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{
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UINT8 csr =0;
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csr |= m_dacia_rts1;
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csr |= (m_dacia_dtr1 << 1);
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csr |= (m_dacia_cts <<4);
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csr |= (m_dacia_fe1 <<7);
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if (LOG_DACIA) logerror("CSR1 %02x\n",csr);
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return csr;
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}
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case 3: /* RDR1: Receive data register */
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m_dacia_receiver_full = 0;
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m_dacia_fe1=0;
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if (LOG_DACIA) logerror("RDR1 %02x\n",m_dacia_receiver_data);
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return m_dacia_receiver_data;
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default:
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if (LOG_DACIA) logerror("%s:dacia_r(%02x)\n", machine().describe_context(), offset);
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@ -336,8 +443,72 @@ WRITE8_MEMBER(cops_state::dacia_w)
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{
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switch(offset & 0x07)
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{
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case 0: /* IRQ enable Register 1 */
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{
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m_dacia_irq1_reg &= ~0x80;
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if (data & 0x80) //enable bits
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{
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m_dacia_irq1_reg |= (data & 0x7f);
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}
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else // disable bits
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{
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m_dacia_irq1_reg &= ~(data & 0x7f);
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}
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if (LOG_DACIA) logerror("DACIA IRQ 1 Register: %02x\n", m_dacia_irq1_reg);
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update_dacia_irq();
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break;
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}
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case 1: /* Control / Format Register 1 */
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{
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if (data & 0x80) //Format Register
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{
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m_dacia_rts1 = (data & 0x01);
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m_dacia_dtr1 = (data & 0x02 ? 1:0);
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m_parity_1 = (data & 0x04);
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m_parity_mode_1 = ((data & 0x18) >> 3);
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m_bpc_1 = ((data & 0x60) >> 5) +5;
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if (LOG_DACIA) logerror("DACIA Format Register: %02x\n", data);
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}
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else // Control register
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{
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m_dacia_ic_div_1 = timer_divide_select[data & 0x15];
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m_dacia_echo1 = (data & 0x10);
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m_dacia_stp_1 = (data & 0x20 ? 2:1);
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if (data & 0x40)
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{
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m_dacia_reg1 = AUX_REGISTER;
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}
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else
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{
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m_dacia_reg1 = CMP_REGISTER;
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}
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if (LOG_DACIA) logerror("DACIA TIME %02d\n", XTAL_3_6864MHz / m_dacia_ic_div_1);
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m_ld_timer->adjust(attotime::from_hz(XTAL_3_6864MHz / m_dacia_ic_div_1), 0, attotime::from_hz(XTAL_3_6864MHz / m_dacia_ic_div_1));
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if (LOG_DACIA) logerror("DACIA Ctrl Register: %02x\n", data);
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}
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break;
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}
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case 2: /* Compare / Aux Ctrl Register 1 */
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{
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if (m_dacia_reg1 == CMP_REGISTER)
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{
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m_dacia_cmp1 =1;
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m_dacia_cmpval1=data;
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if (LOG_DACIA) logerror("DACIA Compare mode: %02x \n", data);
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// update_dacia_irq();
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}
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else
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{
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if (LOG_DACIA) logerror("DACIA Aux ctrl: %02x \n", data);
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}
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}
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case 3: /* Transmit Data Register 1 */
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//logerror("DACIA Transmit: %02x %c\n", data, (char)data);
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if (LOG_DACIA) logerror("DACIA Transmit: %02x %c\n", data, (char)data);
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laserdisc_w(data);
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break;
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default:
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@ -589,9 +760,44 @@ static INPUT_PORTS_START( cops )
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PORT_BIT( 0xff, 0x80, IPT_PADDLE ) PORT_SENSITIVITY(50) PORT_KEYDELTA(10)
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INPUT_PORTS_END
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static INPUT_PORTS_START( revlatns )
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PORT_START("SW0")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A")
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C")
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("COLLECT")
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN5 )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_IMPULSE(1)
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_COIN6 )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Continue")
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B")
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PORT_START("SW1")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_NAME("Refill Key") PORT_CODE(KEYCODE_R) PORT_TOGGLE
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_INTERLOCK) PORT_NAME("Cashbox Door") PORT_CODE(KEYCODE_Q) PORT_TOGGLE
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("20P LEVEL") PORT_CODE(KEYCODE_Q)
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("*")
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("100P LEVEL") PORT_CODE(KEYCODE_W)
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PORT_START("SW2")
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PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_NAME("50p")
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PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_NAME("20p")
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PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_COIN3 ) PORT_NAME("10p")
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PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_COIN4 ) PORT_NAME("100p")
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PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_SPECIAL )
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PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_SPECIAL )
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PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SPECIAL )
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PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_SPECIAL )
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INPUT_PORTS_END
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void cops_state::machine_start()
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{
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m_ld_timer = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(cops_state::ld_timer_callback),this));
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m_dacia_ic_div_1 = timer_divide_select[0];
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m_ld_timer->adjust(attotime::from_hz(167*5), 0, attotime::from_hz(167*5));
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}
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@ -601,7 +807,14 @@ void cops_state::machine_reset()
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m_lcd_addr_l = m_lcd_addr_h = 0;
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m_lcd_data_l = m_lcd_data_h = 0;
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m_dacia_receiver_full = 0;
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m_dacia_cts = 0;
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m_dacia_dcd = 0;
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m_dacia_irq1_reg = 0x80;
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m_dacia_rts1 = 1;
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m_dacia_dtr1 = 1;
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m_dacia_fe1 = 1;
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m_dacia_receiver_full = 1;
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m_ld_input_state = LD_INPUT_GET_COMMAND;
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m_ld_command_current_byte = m_ld_command_total_bytes = 0;
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m_ld_frame_index = 0;
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@ -698,6 +911,6 @@ ROM_START( revlatns )
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ROM_END
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GAMEL( 1994, cops, 0, cops, cops, cops_state, cops, ROT0, "Atari Games", "Cops (USA)", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops )
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GAMEL( 1994, copsuk, cops,cops, cops, cops_state, cops, ROT0, "Nova Productions / Deith Leisure","Cops (UK)", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops )
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GAMEL( 1994, revlatns, 0, cops, cops, cops_state, cops, ROT0, "Nova Productions", "Revelations", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops )
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GAMEL( 1994, cops, 0, cops, cops, cops_state, cops, ROT0, "Atari Games", "Cops (USA)", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops )
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GAMEL( 1994, copsuk, cops,cops, cops, cops_state, cops, ROT0, "Nova Productions / Deith Leisure","Cops (UK)", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops )
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GAMEL( 1994, revlatns, 0, cops, revlatns, cops_state, cops, ROT0, "Nova Productions", "Revelations", GAME_NOT_WORKING | GAME_NO_SOUND, layout_cops )
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