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author Dirk Best <mail@dirk-best.de>2020-09-11 20:37:21 +0200
committer Dirk Best <mail@dirk-best.de>2020-09-11 20:37:55 +0200
commit11b66848f30d46e72931503a360f003d9fa63b10 (patch)
treef23cd6e449541928a9f788da499410ae451987f4 /src/mame/drivers/informer_207_376.cpp
parentced16f241d639c8d5a02d07ec24055ff1a79f691 (diff)
in207376: Hook up PIT, remove clock device
Diffstat (limited to 'src/mame/drivers/informer_207_376.cpp')
-rw-r--r--src/mame/drivers/informer_207_376.cpp20
1 files changed, 13 insertions, 7 deletions
diff --git a/src/mame/drivers/informer_207_376.cpp b/src/mame/drivers/informer_207_376.cpp
index 5c0274e84da..964363dc0e8 100644
--- a/src/mame/drivers/informer_207_376.cpp
+++ b/src/mame/drivers/informer_207_376.cpp
@@ -30,6 +30,7 @@
#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "machine/6850acia.h"
+#include "machine/pit8253.h"
#include "machine/clock.h"
#include "machine/input_merger.h"
#include "machine/nvram.h"
@@ -57,6 +58,7 @@ public:
m_crtc(*this, "crtc"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
+ m_pit(*this, "pit"),
m_scc(*this, "scc"),
m_acia(*this, "acia%u", 0U),
m_beep(*this, "beep"),
@@ -76,6 +78,7 @@ private:
required_device<mc6845_device> m_crtc;
required_device<screen_device> m_screen;
required_device<palette_device> m_palette;
+ required_device<pit8253_device> m_pit;
required_device<scc85c30_device> m_scc;
required_device_array<acia6850_device, 2> m_acia;
required_device<beep_device> m_beep;
@@ -107,6 +110,7 @@ void informer_207_376_state::mem_map(address_map &map)
map(0x8802, 0x8803).rw(m_acia[0], FUNC(acia6850_device::read), FUNC(acia6850_device::write));
map(0x8804, 0x8805).rw(m_acia[1], FUNC(acia6850_device::read), FUNC(acia6850_device::write));
map(0x8c00, 0x8c00).w(FUNC(informer_207_376_state::nmi_control_w));
+ map(0x9000, 0x9003).rw(m_pit, FUNC(pit8253_device::read), FUNC(pit8253_device::write));
map(0x9400, 0x9403).rw(m_scc, FUNC(scc85c30_device::ab_dc_r), FUNC(scc85c30_device::ab_dc_w));
map(0x9c00, 0x9cff).ram().share("nvram");
map(0xa000, 0xffff).rom().region("maincpu", 0);
@@ -228,7 +232,15 @@ void informer_207_376_state::informer_207_376(machine_config &config)
NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0); // 2x X2212P
- SCC85C30(config, m_scc, 0); // unknown clock
+ PIT8253(config, m_pit);
+ m_pit->set_clk<0>(4915200 / 2);
+ m_pit->out_handler<0>().set(m_acia[1], FUNC(acia6850_device::write_txc));
+ m_pit->out_handler<0>().append(m_acia[1], FUNC(acia6850_device::write_rxc));
+ m_pit->set_clk<1>(4915200 / 2);
+ m_pit->out_handler<1>().set(m_acia[0], FUNC(acia6850_device::write_txc));
+ m_pit->out_handler<1>().append(m_acia[0], FUNC(acia6850_device::write_rxc));
+
+ SCC85C30(config, m_scc, 4915200);
m_scc->out_txda_callback().set("com1", FUNC(rs232_port_device::write_txd));
m_scc->out_dtra_callback().set("com1", FUNC(rs232_port_device::write_dtr));
m_scc->out_rtsa_callback().set("com1", FUNC(rs232_port_device::write_rts));
@@ -244,12 +256,6 @@ void informer_207_376_state::informer_207_376(machine_config &config)
ACIA6850(config, m_acia[1], 0); // unknown clock
m_acia[1]->txd_handler().set("printer", FUNC(rs232_port_device::write_txd));
- clock_device &acia_clock(CLOCK(config, "acia_clock", 153600)); // source?
- acia_clock.signal_handler().set(m_acia[0], FUNC(acia6850_device::write_txc));
- acia_clock.signal_handler().append(m_acia[0], FUNC(acia6850_device::write_rxc));
- acia_clock.signal_handler().append(m_acia[1], FUNC(acia6850_device::write_txc));
- acia_clock.signal_handler().append(m_acia[1], FUNC(acia6850_device::write_rxc));
-
rs232_port_device &com1(RS232_PORT(config, "com1", default_rs232_devices, nullptr));
com1.rxd_handler().set(m_scc, FUNC(scc85c30_device::rxa_w));
com1.dcd_handler().set(m_scc, FUNC(scc85c30_device::dcda_w));