diff options
Diffstat (limited to 'src/emu/cpu/nec/v53.c')
-rw-r--r-- | src/emu/cpu/nec/v53.c | 113 |
1 files changed, 90 insertions, 23 deletions
diff --git a/src/emu/cpu/nec/v53.c b/src/emu/cpu/nec/v53.c index f7c460dbf3d..6dd857f5a58 100644 --- a/src/emu/cpu/nec/v53.c +++ b/src/emu/cpu/nec/v53.c @@ -181,11 +181,23 @@ void v53_base_device::device_reset() m_DULA = 0x00; m_OPHA = 0x00; + m_simk = 0x03; } void v53_base_device::device_start() { nec_common_device::device_start(); + + m_txd_handler.resolve_safe(); + m_rts_handler.resolve_safe(); + m_dtr_handler.resolve_safe(); + m_rxrdy_handler.resolve_safe(); + m_txrdy_handler.resolve_safe(); + m_txempty_handler.resolve_safe(); + + m_out0_handler.resolve_safe(); + m_out1_handler.resolve_safe(); + m_out2_handler.resolve_safe(); } void v53_base_device::install_peripheral_io() @@ -265,9 +277,9 @@ void v53_base_device::install_peripheral_io() } else { - space(AS_IO).install_readwrite_handler(base+0x00, base+0x01, read8_delegate(FUNC(v53_base_device::scu_srb_r), this), write8_delegate(FUNC(v53_base_device::scu_stb_w), this), 0x00ff); - space(AS_IO).install_readwrite_handler(base+0x02, base+0x03, read8_delegate(FUNC(v53_base_device::scu_sst_r), this), write8_delegate(FUNC(v53_base_device::scu_scm_w), this), 0x00ff); - space(AS_IO).install_write_handler(base+0x04, base+0x05, write8_delegate(FUNC(v53_base_device::scu_smd_w), this), 0x00ff); + space(AS_IO).install_readwrite_handler(base+0x00, base+0x01, read8_delegate(FUNC(v53_scu_device::data_r), (v53_scu_device*)m_v53scu), write8_delegate(FUNC(v53_scu_device::data_w), (v53_scu_device*)m_v53scu), 0x00ff); + space(AS_IO).install_readwrite_handler(base+0x02, base+0x03, read8_delegate(FUNC(v53_scu_device::status_r), (v53_scu_device*)m_v53scu), write8_delegate(FUNC(v53_scu_device::command_w), (v53_scu_device*)m_v53scu), 0x00ff); + space(AS_IO).install_write_handler(base+0x04, base+0x05, write8_delegate(FUNC(v53_scu_device::mode_w), (v53_scu_device*)m_v53scu), 0x00ff); space(AS_IO).install_readwrite_handler(base+0x06, base+0x07, read8_delegate(FUNC(v53_base_device::scu_simk_r), this), write8_delegate(FUNC(v53_base_device::scu_simk_w), this), 0x00ff); } @@ -279,42 +291,54 @@ void v53_base_device::install_peripheral_io() /*** SCU ***/ -READ8_MEMBER(v53_base_device::scu_srb_r) + +READ8_MEMBER(v53_base_device::scu_simk_r) { - printf("v53: scu_srb_r\n"); - return 0; + printf("v53: scu_simk_r\n"); + return m_simk; } -WRITE8_MEMBER(v53_base_device::scu_stb_w) +WRITE8_MEMBER(v53_base_device::scu_simk_w) { - printf("v53: scu_stb_w %02x\n", data); + m_simk = data; + printf("v53: scu_simk_w %02x\n", data); } -READ8_MEMBER(v53_base_device::scu_sst_r) +WRITE_LINE_MEMBER(v53_base_device::scu_txd_trampoline_cb) { - printf("v53: scu_sst_r\n"); - return 0; + m_txd_handler(state); } -WRITE8_MEMBER(v53_base_device::scu_scm_w) +WRITE_LINE_MEMBER(v53_base_device::scu_dtr_trampoline_cb) { - printf("v53: scu_scm_w %02x\n", data); + m_dtr_handler(state); } -WRITE8_MEMBER(v53_base_device::scu_smd_w) +WRITE_LINE_MEMBER(v53_base_device::scu_rts_trampoline_cb) { - printf("v53: scu_smd_w %02x\n", data); + m_rts_handler(state); } -READ8_MEMBER(v53_base_device::scu_simk_r) +WRITE_LINE_MEMBER(v53_base_device::scu_rxrdy_trampoline_cb) { - printf("v53: scu_simk_r\n"); - return 0; + // should we mask this here based on m_simk? it can mask the interrupt + m_rxrdy_handler(state); } -WRITE8_MEMBER(v53_base_device::scu_simk_w) +WRITE_LINE_MEMBER(v53_base_device::scu_txrdy_trampoline_cb) { - printf("v53: scu_simk_w %02x\n", data); + // should we mask this here based on m_simk? it can mask the interrupt + m_txrdy_handler(state); +} + +WRITE_LINE_MEMBER(v53_base_device::scu_txempty_trampoline_cb) +{ + m_txempty_handler(state); +} + +WRITE_LINE_MEMBER(v53_base_device::scu_syndet_trampoline_cb) +{ + m_syndet_handler(state); } @@ -330,6 +354,24 @@ READ8_MEMBER(v53_base_device::tmu_tst0_r) { return m_v53tcu->read(space, 0); } READ8_MEMBER(v53_base_device::tmu_tst1_r) { return m_v53tcu->read(space, 1); } READ8_MEMBER(v53_base_device::tmu_tst2_r) { return m_v53tcu->read(space, 2); } + +WRITE_LINE_MEMBER(v53_base_device::tcu_out0_trampoline_cb) +{ + m_out0_handler(state); +} + +WRITE_LINE_MEMBER(v53_base_device::tcu_out1_trampoline_cb) +{ + m_out1_handler(state); +} + +WRITE_LINE_MEMBER(v53_base_device::tcu_out2_trampoline_cb) +{ + m_out2_handler(state); +} + + + /*** DMA ***/ // could be wrong / nonexistent @@ -459,9 +501,15 @@ WRITE_LINE_MEMBER( v53_base_device::upd71059_irq_w) } static MACHINE_CONFIG_FRAGMENT( v53 ) + MCFG_DEVICE_ADD("pit", PIT8254, 0) // functionality identical to uPD71054 - MCFG_PIT8253_CLK0(16000000/2/8) - //MCFG_PIT8253_OUT0_HANDLER(WRITELINE(v53_base_device, pit_out0)) + MCFG_PIT8253_CLK0(1000000) // todo + MCFG_PIT8253_CLK1(1000000) // todo + MCFG_PIT8253_CLK2(1000000) // todo + MCFG_PIT8253_OUT0_HANDLER(WRITELINE( v53_base_device, tcu_out0_trampoline_cb )) + MCFG_PIT8253_OUT1_HANDLER(WRITELINE( v53_base_device, tcu_out1_trampoline_cb )) + MCFG_PIT8253_OUT2_HANDLER(WRITELINE( v53_base_device, tcu_out2_trampoline_cb )) + MCFG_DEVICE_ADD("upd71071dma", V53_DMAU, 4000000) MCFG_I8237_OUT_HREQ_CB(WRITELINE(v53_base_device, dma_hrq_changed)) @@ -472,6 +520,13 @@ static MACHINE_CONFIG_FRAGMENT( v53 ) MCFG_PIC8259_ADD( "upd71059pic", WRITELINE(v53_base_device, upd71059_irq_w), VCC, READ8(v53_base_device,get_pic_ack)) MCFG_DEVICE_ADD("v53scu", V53_SCU, 0) + MCFG_I8251_TXD_HANDLER(WRITELINE(v53_base_device, scu_txd_trampoline_cb)) + MCFG_I8251_DTR_HANDLER(WRITELINE(v53_base_device, scu_dtr_trampoline_cb)) + MCFG_I8251_RTS_HANDLER(WRITELINE(v53_base_device, scu_rts_trampoline_cb)) + MCFG_I8251_RXRDY_HANDLER(WRITELINE(v53_base_device,scu_rxrdy_trampoline_cb)) + MCFG_I8251_TXRDY_HANDLER(WRITELINE(v53_base_device,scu_txrdy_trampoline_cb)) + MCFG_I8251_TXEMPTY_HANDLER(WRITELINE(v53_base_device, scu_txempty_trampoline_cb)) + MCFG_I8251_SYNDET_HANDLER(WRITELINE(v53_base_device, scu_syndet_trampoline_cb)) MACHINE_CONFIG_END @@ -487,7 +542,19 @@ v53_base_device::v53_base_device(const machine_config &mconfig, device_type type m_v53tcu(*this, "pit"), m_v53dmau(*this, "upd71071dma"), m_v53icu(*this, "upd71059pic"), - m_v53scu(*this, "v53scu") + m_v53scu(*this, "v53scu"), + // SCU + m_txd_handler(*this), + m_dtr_handler(*this), + m_rts_handler(*this), + m_rxrdy_handler(*this), + m_txrdy_handler(*this), + m_txempty_handler(*this), + m_syndet_handler(*this), + // TCU + m_out0_handler(*this), + m_out1_handler(*this), + m_out2_handler(*this) { } |