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authorGravatarGravatar AJR <ajrhacker@users.noreply.github.com>2019-12-29 23:09:17 -0500
committerGravatarGravatar AJR <ajrhacker@users.noreply.github.com>2019-12-29 23:11:08 -0500
commit304c49cf377de3286c7c23f803b10d87bfe2ee99 (patch)
treed6eabad56504ef44c3b3c34cc5d3f3615b02d778
parentc9b6949c693bf1d0a33bc22ab14afdf109aaa4c8 (diff)
New machines machines marked as NOT_WORKING
---------------------------------- TeleVideo 924 Video Display Terminal [Bitsavers]
-rw-r--r--scripts/target/mame/mess.lua1
-rw-r--r--src/mame/drivers/tv924.cpp92
-rw-r--r--src/mame/mame.lst3
-rw-r--r--src/mame/mess.flt1
4 files changed, 97 insertions, 0 deletions
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 60d29143f4e..78e1bd48993 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -3565,6 +3565,7 @@ files {
MAME_DIR .. "src/mame/drivers/ts816.cpp",
MAME_DIR .. "src/mame/drivers/tv910.cpp",
MAME_DIR .. "src/mame/drivers/tv912.cpp",
+ MAME_DIR .. "src/mame/drivers/tv924.cpp",
MAME_DIR .. "src/mame/drivers/tv950.cpp",
MAME_DIR .. "src/mame/drivers/tv955.cpp",
MAME_DIR .. "src/mame/drivers/tv965.cpp",
diff --git a/src/mame/drivers/tv924.cpp b/src/mame/drivers/tv924.cpp
new file mode 100644
index 00000000000..386518bcc1e
--- /dev/null
+++ b/src/mame/drivers/tv924.cpp
@@ -0,0 +1,92 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/****************************************************************************
+
+ Skeleton driver for TeleVideo Model 924 terminal.
+
+****************************************************************************/
+
+#include "emu.h"
+
+//#include "bus/rs232/rs232.h"
+#include "cpu/m6502/m6502.h"
+#include "machine/mc68681.h"
+//#include "machine/nvram.h"
+#include "video/scn2674.h"
+#include "screen.h"
+
+class tv924_state : public driver_device
+{
+public:
+ tv924_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag)
+ , m_maincpu(*this, "maincpu")
+ , m_pvtc(*this, "pvtc")
+ {
+ }
+
+ void tv924(machine_config &config);
+
+private:
+ SCN2672_DRAW_CHARACTER_MEMBER(draw_character);
+
+ void mem_map(address_map &map);
+ void char_map(address_map &map);
+
+ required_device<cpu_device> m_maincpu;
+ required_device<scn2672_device> m_pvtc;
+};
+
+SCN2672_DRAW_CHARACTER_MEMBER(tv924_state::draw_character)
+{
+}
+
+void tv924_state::mem_map(address_map &map)
+{
+ map(0x0000, 0x07ff).ram();
+ map(0x2020, 0x202f).rw("duart", FUNC(scn2681_device::read), FUNC(scn2681_device::write));
+ map(0x2030, 0x2037).rw(m_pvtc, FUNC(scn2672_device::read), FUNC(scn2672_device::write));
+ map(0x8000, 0x9fff).ram();
+ map(0xa000, 0xbfff).rom().region("program", 0x0000);
+ map(0xe000, 0xffff).rom().region("program", 0x2000);
+}
+
+void tv924_state::char_map(address_map &map)
+{
+ map(0x0000, 0x3fff).ram();
+}
+
+
+static INPUT_PORTS_START(tv924)
+INPUT_PORTS_END
+
+void tv924_state::tv924(machine_config &config)
+{
+ M6502(config, m_maincpu, 1'723'560); // R6502AP (clock guessed)
+ m_maincpu->set_addrmap(AS_PROGRAM, &tv924_state::mem_map);
+
+ scn2681_device &duart(SCN2681(config, "duart", 3.6864_MHz_XTAL)); // SCN2681A
+ duart.irq_cb().set_inputline(m_maincpu, m6502_device::IRQ_LINE);
+
+ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
+ screen.set_raw(27'576'960, 848 * 2, 0, 640 * 2, 271, 0, 250);
+ screen.set_screen_update("pvtc", FUNC(scn2672_device::screen_update));
+
+ SCN2672(config, m_pvtc, 1'723'560); // SCN2672A (with SCB2673B + AMI gate arrays 130170-00 and 130180-00)
+ m_pvtc->set_screen("screen");
+ m_pvtc->set_character_width(16); // nominally 8, but with half-dot shifting
+ m_pvtc->set_addrmap(0, &tv924_state::char_map);
+ m_pvtc->set_display_callback(FUNC(tv924_state::draw_character));
+ m_pvtc->intr_callback().set_inputline(m_maincpu, m6502_device::NMI_LINE);
+}
+
+ROM_START(tv924)
+ ROM_REGION(0x4000, "program", 0)
+ ROM_LOAD("180001-53e_924_u14_12_18_84_e.bin", 0x0000, 0x2000, CRC(9129e555) SHA1(2977f5a8153b474d1fff4bec17952562277f86a4))
+ ROM_LOAD("180001-54e_924_u21_12_18_84_e.bin", 0x2000, 0x2000, CRC(fa2cf28d) SHA1(9cb461b2ba2a7bf44467d5fbc5358c9caaa60024))
+
+ ROM_REGION(0x1000, "chargen", 0)
+ ROM_LOAD("350_rn_118_2333-5006_8000142.u10", 0x0000, 0x1000, NO_DUMP) // VTI 24-pin mask ROM
+ROM_END
+
+COMP(1984, tv924, 0, 0, tv924, tv924, tv924_state, empty_init, "TeleVideo Systems", "TeleVideo 924 Video Display Terminal", MACHINE_IS_SKELETON)
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index c8c65eaf1bf..11f5218143e 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -39213,6 +39213,9 @@ tv910 //
tv912b //
tv912c //
+@source:tv924.cpp
+tv924 //
+
@source:tv950.cpp
tv950 //
diff --git a/src/mame/mess.flt b/src/mame/mess.flt
index 4c03f421313..37fe0f6bd21 100644
--- a/src/mame/mess.flt
+++ b/src/mame/mess.flt
@@ -895,6 +895,7 @@ tti.cpp
tutor.cpp
tv910.cpp
tv912.cpp
+tv924.cpp
tv950.cpp
tv955.cpp
tv965.cpp