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author Dirk Best <mail@dirk-best.de>2024-12-19 19:17:04 +0100
committer Dirk Best <mail@dirk-best.de>2024-12-19 19:28:20 +0100
commit5d0627530900ee1fa3df25980af90b768ec38010 (patch)
tree61129e20f124cc9c20d1cba30d620726c7629d9b /src/devices/bus
parent23d4c1377b0af259091d801d67885ecb672451c1 (diff)
bus/amiga/zorro: Add support for the Rainbow II/FrameMaster
New working software list additions ----------------------------------- Rainbow II Diashow Professional V1.92 [Amiga Hardware Database] RainbowPainter V0.99b [Amiga Hardware Database]
Diffstat (limited to 'src/devices/bus')
-rw-r--r--src/devices/bus/amiga/zorro/cards.cpp5
-rw-r--r--src/devices/bus/amiga/zorro/rainbow2.cpp218
-rw-r--r--src/devices/bus/amiga/zorro/rainbow2.h68
3 files changed, 291 insertions, 0 deletions
diff --git a/src/devices/bus/amiga/zorro/cards.cpp b/src/devices/bus/amiga/zorro/cards.cpp
index 15a530bfb88..2d32dac9631 100644
--- a/src/devices/bus/amiga/zorro/cards.cpp
+++ b/src/devices/bus/amiga/zorro/cards.cpp
@@ -17,6 +17,7 @@
#include "action_replay.h"
#include "buddha.h"
#include "picasso2.h"
+#include "rainbow2.h"
#include "ripple.h"
#include "toccata.h"
@@ -49,6 +50,8 @@ void zorro2_cards(device_slot_interface &device)
device.option_add("a2232", ZORRO_A2232);
device.option_add("buddha", ZORRO_BUDDHA);
device.option_add("picasso2p", ZORRO_PICASSO2P);
+ device.option_add("rainbow2", ZORRO_RAINBOW2);
+ device.option_add("framemaster", ZORRO_FRAMEMASTER);
device.option_add("ripple", ZORRO_RIPPLE);
device.option_add("toccata", ZORRO_TOCCATA);
}
@@ -62,6 +65,8 @@ void zorro3_cards(device_slot_interface &device)
device.option_add("a2232", ZORRO_A2232);
device.option_add("buddha", ZORRO_BUDDHA);
device.option_add("picasso2p", ZORRO_PICASSO2P);
+ device.option_add("rainbow2", ZORRO_RAINBOW2);
+ device.option_add("framemaster", ZORRO_FRAMEMASTER);
device.option_add("ripple", ZORRO_RIPPLE);
device.option_add("toccata", ZORRO_TOCCATA);
}
diff --git a/src/devices/bus/amiga/zorro/rainbow2.cpp b/src/devices/bus/amiga/zorro/rainbow2.cpp
new file mode 100644
index 00000000000..90e4907acca
--- /dev/null
+++ b/src/devices/bus/amiga/zorro/rainbow2.cpp
@@ -0,0 +1,218 @@
+// license: GPL-2.0+
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ Omega Datentechnik Rainbow II (2145/32)
+ Ingenieurbuero Helfrich Rainbow II (2195/32)
+ BSC FrameMaster (2049/32, 2092/32)
+
+ 24-bit framebuffer for Amiga 2000/3000/4000
+
+ Hardware:
+ - ADV7120 RAMDAC
+ - 30 MHz XTAL
+ - 1.5 MB RAM with space for 0.5 more as alpha channel
+ - Fixed resolution 768x576 (PAL) and 768x480 (NTSC)
+ - 15.75 kHz or 31.5 kHz
+ - 24-bit color
+
+ TODO:
+ - ROM sockets are unsupported
+ - Rest of the jumpers
+ - Verify autoconfig IDs and include additional models
+ - Interlace (pending MAME support)
+
+***************************************************************************/
+
+#include "emu.h"
+#include "rainbow2.h"
+
+#define VERBOSE (LOG_GENERAL)
+
+#include "logmacro.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(ZORRO_RAINBOW2, bus::amiga::zorro::rainbow2_device, "zorro_rainbow2", "Rainbow II Framebuffer")
+DEFINE_DEVICE_TYPE(ZORRO_FRAMEMASTER, bus::amiga::zorro::framemaster_device, "zorro_framemaster", "FrameMaster Framebuffer")
+
+namespace bus::amiga::zorro {
+
+rainbow2_device::rainbow2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, device_type type, uint16_t manufacturer) :
+ device_t(mconfig, type, tag, owner, clock),
+ device_zorro2_card_interface(mconfig, *this),
+ m_screen(*this, "screen"),
+ m_jumper(*this, "jumper")
+{
+ m_manufacturer = manufacturer;
+}
+
+rainbow2_device::rainbow2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ rainbow2_device(mconfig, tag, owner, clock, ZORRO_RAINBOW2, 2145)
+{
+}
+
+framemaster_device::framemaster_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ rainbow2_device(mconfig, tag, owner, clock, ZORRO_FRAMEMASTER, 2092)
+{
+}
+
+
+//**************************************************************************
+// INPUT DEFINITIONS
+//**************************************************************************
+
+static INPUT_PORTS_START( rainbow2 )
+ PORT_START("jumper")
+ PORT_CONFNAME(0x01, 0x01, "JP5")
+ PORT_CONFSETTING(0x00, "Test Signal")
+ PORT_CONFSETTING(0x01, DEF_STR(Normal))
+INPUT_PORTS_END
+
+ioport_constructor rainbow2_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( rainbow2 );
+}
+
+
+//**************************************************************************
+// MACHINE DEFINITIONS
+//**************************************************************************
+
+void rainbow2_device::device_add_mconfig(machine_config &config)
+{
+ // default to PAL
+ SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
+ m_screen->set_raw(30_MHz_XTAL, 960, 0, 768, 625, 0, 576); // exact values not known
+ m_screen->set_screen_update(FUNC(rainbow2_device::screen_update));
+}
+
+
+//**************************************************************************
+// MACHINE EMULATION
+//**************************************************************************
+
+void rainbow2_device::device_start()
+{
+ // setup ram
+ m_vram = make_unique_clear<uint16_t[]>(0x200000/2);
+
+ // register for save states
+ save_pointer(NAME(m_vram), 0x200000/2);
+ save_item(NAME(m_control));
+
+}
+
+void rainbow2_device::device_reset()
+{
+ m_control = 0;
+}
+
+void rainbow2_device::control_w(offs_t offset, uint8_t data)
+{
+ // 3--- enable ROM
+ // -2-- normal (PAL) or complement mode (NTSC)
+ // --1- video out enable
+ // ---0 interlace (0) or non-interlace (1)
+
+ LOG("control_w: %02x\n", data);
+
+ if (BIT(data, 2))
+ {
+ // NTSC
+ rectangle v(0, 768 - 1, 0, 480 - 1);
+ m_screen->configure(960, 525, v, attotime::from_ticks(960 * 525, 30_MHz_XTAL).as_attoseconds());
+ }
+ else
+ {
+ // PAL
+ rectangle v(0, 768 - 1, 0, 576 - 1);
+ m_screen->configure(960, 625, v, attotime::from_ticks(960 * 625, 30_MHz_XTAL).as_attoseconds());
+ }
+
+ m_control = data & 0x0f;
+}
+
+uint32_t rainbow2_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ if (BIT(m_jumper->read(), 0) == 0)
+ {
+ // test signal enabled
+ bitmap.fill(rgb_t::white(), cliprect);
+ }
+ else if (BIT(m_control, 1) == 0)
+ {
+ // video disabled
+ bitmap.fill(rgb_t::black(), cliprect);
+ }
+ else
+ {
+ unsigned i = 0;
+
+ for (unsigned y = screen.visible_area().min_y; y <= screen.visible_area().max_y; y++)
+ {
+ for (unsigned x = screen.visible_area().min_x; x <= screen.visible_area().max_x; x++)
+ {
+ uint32_t *const vram = reinterpret_cast<uint32_t *>(&m_vram[0]);
+ bitmap.pix(y, x) = vram[i++];
+ }
+ }
+ }
+
+ return 0;
+}
+
+
+//**************************************************************************
+// AUTOCONFIG
+//**************************************************************************
+
+void rainbow2_device::autoconfig_base_address(offs_t address)
+{
+ LOG("autoconfig_base_address received: 0x%06x\n", address);
+ LOG("-> installing rainbow2\n");
+
+ // stop responding to default autoconfig
+ m_slot->space().unmap_readwrite(0xe80000, 0xe8007f);
+
+ // video memory
+ m_slot->space().install_ram(address, address + 0x1fffff, m_vram.get());
+
+ // control register
+ m_slot->space().install_write_handler(address + 0x1ffff8, address + 0x1ffff8,
+ emu::rw_delegate(*this, FUNC(rainbow2_device::control_w)));
+
+ // we're done
+ m_slot->cfgout_w(0);
+}
+
+void rainbow2_device::cfgin_w(int state)
+{
+ LOG("configin_w (%d)\n", state);
+
+ if (state == 0)
+ {
+ // setup autoconfig
+ autoconfig_board_type(BOARD_TYPE_ZORRO2);
+ autoconfig_board_size(BOARD_SIZE_2M);
+ autoconfig_link_into_memory(false);
+ autoconfig_rom_vector_valid(false);
+ autoconfig_multi_device(false);
+ autoconfig_8meg_preferred(false);
+ autoconfig_can_shutup(true); // ?
+ autoconfig_product(32);
+ autoconfig_manufacturer(m_manufacturer);
+ autoconfig_serial(0x00000000);
+ autoconfig_rom_vector(0x0000);
+
+ // install autoconfig handler
+ m_slot->space().install_readwrite_handler(0xe80000, 0xe8007f,
+ read16_delegate(*this, FUNC(amiga_autoconfig::autoconfig_read)),
+ write16_delegate(*this, FUNC(amiga_autoconfig::autoconfig_write)), 0xffffffff);
+ }
+}
+
+} // namespace bus::amiga::zorro
diff --git a/src/devices/bus/amiga/zorro/rainbow2.h b/src/devices/bus/amiga/zorro/rainbow2.h
new file mode 100644
index 00000000000..f676e7766ad
--- /dev/null
+++ b/src/devices/bus/amiga/zorro/rainbow2.h
@@ -0,0 +1,68 @@
+// license: GPL-2.0+
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ Omega Datentechnik Rainbow II
+ Ingenieurbuero Helfrich Rainbow II
+ BSC FrameMaster
+
+ 24-bit framebuffer for Amiga 2000/3000/4000
+
+***************************************************************************/
+
+#ifndef MAME_BUS_AMIGA_ZORRO_RAINBOW2_H
+#define MAME_BUS_AMIGA_ZORRO_RAINBOW2_H
+
+#pragma once
+
+#include "zorro.h"
+#include "machine/autoconfig.h"
+#include "screen.h"
+
+
+namespace bus::amiga::zorro {
+
+class rainbow2_device : public device_t, public device_zorro2_card_interface, public amiga_autoconfig
+{
+public:
+ rainbow2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ rainbow2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, device_type type, uint16_t manufacturer);
+
+ virtual ioport_constructor device_input_ports() const override ATTR_COLD;
+ virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
+
+ virtual void device_start() override ATTR_COLD;
+ virtual void device_reset() override ATTR_COLD;
+
+ // device_zorro2_card_interface overrides
+ virtual void cfgin_w(int state) override;
+
+ // amiga_autoconfig overrides
+ virtual void autoconfig_base_address(offs_t address) override;
+
+private:
+ void control_w(offs_t offset, uint8_t data);
+ uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ required_device<screen_device> m_screen;
+ std::unique_ptr<uint16_t[]> m_vram;
+ required_ioport m_jumper;
+ uint16_t m_manufacturer;
+ uint8_t m_control;
+};
+
+class framemaster_device : public rainbow2_device
+{
+public:
+ framemaster_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+};
+
+} // namespace bus::amiga::zorro
+
+// device type declaration
+DECLARE_DEVICE_TYPE_NS(ZORRO_RAINBOW2, bus::amiga::zorro, rainbow2_device)
+DECLARE_DEVICE_TYPE_NS(ZORRO_FRAMEMASTER, bus::amiga::zorro, framemaster_device)
+
+#endif // MAME_BUS_AMIGA_ZORRO_RAINBOW2_H