diff options
author | 2020-02-27 08:35:52 -0700 | |
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committer | 2020-02-27 10:35:51 -0500 | |
commit | 6c3e1da14a0484e2aaafa87c805440a5e41d5a7f (patch) | |
tree | 2b026422cf66595d96380ec1504444220578c4eb /src | |
parent | 673232ea59df2c7fec1f59592cd0ed62bbd5ff9b (diff) |
gigatron: add some meat on the bones (#6347)
* gigatron: make some changes
(nw)
* gigatron: add some meat on the bones
* gigatron: make some fixes that ajr needed
(nw)
* (nw)
* (nw)
* (nw)
* gigatron: make outx a callback (nw)
* (nw)
* (nw)
Diffstat (limited to 'src')
-rw-r--r-- | src/devices/cpu/gigatron/gigatron.cpp | 3 | ||||
-rw-r--r-- | src/devices/cpu/gigatron/gigatron.h | 5 | ||||
-rw-r--r-- | src/mame/drivers/gigatron.cpp | 30 |
3 files changed, 33 insertions, 5 deletions
diff --git a/src/devices/cpu/gigatron/gigatron.cpp b/src/devices/cpu/gigatron/gigatron.cpp index 643e99dabe5..dc4f38cc3fe 100644 --- a/src/devices/cpu/gigatron/gigatron.cpp +++ b/src/devices/cpu/gigatron/gigatron.cpp @@ -119,6 +119,8 @@ void gigatron_cpu_device::init() save_item(NAME(m_ppc)); save_item(NAME(m_inReg)); save_item(NAME(m_pc)); + + m_outx_cb.resolve_safe(); } void gigatron_cpu_device::branchOp(uint8_t op, uint8_t mode, uint8_t bus, uint8_t d) @@ -314,6 +316,7 @@ gigatron_cpu_device::gigatron_cpu_device(const machine_config &mconfig, const ch , m_ramMask(0x7fff) , m_program_config("program", ENDIANNESS_BIG, 16, 14, -1) , m_data_config("data", ENDIANNESS_BIG, 8, 15, 0) + , m_outx_cb(*this) { } diff --git a/src/devices/cpu/gigatron/gigatron.h b/src/devices/cpu/gigatron/gigatron.h index 7ef0b9018b7..e11f48d226a 100644 --- a/src/devices/cpu/gigatron/gigatron.h +++ b/src/devices/cpu/gigatron/gigatron.h @@ -25,7 +25,8 @@ class gigatron_cpu_device : public cpu_device public: // construction/destruction gigatron_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - + auto outx_cb() { return m_outx_cb.bind(); } + protected: // device-level overrides virtual void device_start() override; @@ -76,6 +77,8 @@ private: int m_icount; void gigatron_illegal(); + + devcb_write8 m_outx_cb; }; diff --git a/src/mame/drivers/gigatron.cpp b/src/mame/drivers/gigatron.cpp index 19b5cd459bc..acea33c2f5a 100644 --- a/src/mame/drivers/gigatron.cpp +++ b/src/mame/drivers/gigatron.cpp @@ -1,5 +1,5 @@ // license:BSD-3-Clause -// copyright-holders:Sterophonick +// copyright-holders:Sterophonick, Phil Thomas /*************************************************************************** Skeleton driver for Gigatron TTL Microcomputer @@ -21,8 +21,9 @@ class gigatron_state : public driver_device { public: gigatron_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag) - , m_maincpu(*this, "maincpu") + : driver_device(mconfig, type, tag), + m_maincpu(*this, "maincpu"), + m_io_inputs(*this, "GAMEPAD") { } @@ -38,13 +39,18 @@ private: void prog_map(address_map &map); void data_map(address_map &map); + + uint16_t lights_changed; DECLARE_READ8_MEMBER(gigatron_random) { return machine().rand() & 0xff; } + + DECLARE_WRITE8_MEMBER(blinkenlights); - required_device<cpu_device> m_maincpu; + required_device<gigatron_cpu_device> m_maincpu; + required_ioport m_io_inputs; }; uint32_t gigatron_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) @@ -70,7 +76,22 @@ void gigatron_state::machine_reset() { } +WRITE8_MEMBER(gigatron_state::blinkenlights) +{ + uint16_t light = data & 0xF; + lights_changed ^= light; +} + static INPUT_PORTS_START(gigatron) + PORT_START("GAMEPAD") + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_START ) PORT_PLAYER(1) // START + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_SELECT ) PORT_PLAYER(1) // SELECT + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("B Button") PORT_PLAYER(1) // B Button + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("A Button") PORT_PLAYER(1) // A Button INPUT_PORTS_END void gigatron_state::gigatron(machine_config &config) @@ -78,6 +99,7 @@ void gigatron_state::gigatron(machine_config &config) GTRON(config, m_maincpu, MAIN_CLOCK); m_maincpu->set_addrmap(AS_PROGRAM, &gigatron_state::prog_map); m_maincpu->set_addrmap(AS_DATA, &gigatron_state::data_map); + m_maincpu->outx_cb().set(FUNC(gigatron_state::blinkenlights)); /* video hardware */ screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); |