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-rw-r--r--src/mame/machine/galaxy.cpp171
1 files changed, 0 insertions, 171 deletions
diff --git a/src/mame/machine/galaxy.cpp b/src/mame/machine/galaxy.cpp
deleted file mode 100644
index e8badb08f6e..00000000000
--- a/src/mame/machine/galaxy.cpp
+++ /dev/null
@@ -1,171 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Krzysztof Strzecha, Miodrag Milanovic
-/***************************************************************************
-
- machine.c
-
- Functions to emulate general aspects of the machine (RAM, ROM, interrupts,
- I/O ports)
-
-***************************************************************************/
-
-#include "emu.h"
-#include "cpu/z80/z80.h"
-#include "includes/galaxy.h"
-
-/***************************************************************************
- I/O devices
-***************************************************************************/
-
-uint8_t galaxy_state::keyboard_r(offs_t offset)
-{
- if (offset == 0)
- {
- double level = m_cassette->input();
- return (level > 0) ? 0xfe : 0xff;
- }
- else
- return m_io_keyboard[(offset>>3) & 0x07]->read() & (0x01<<(offset & 0x07)) ? 0xfe : 0xff;
-}
-
-void galaxy_state::latch_w(uint8_t data)
-{
- double val = (((data >>6) & 1 ) + ((data >> 2) & 1) - 1) * 32000;
- m_latch_value = data;
- m_cassette->output(val);
-}
-
-
-
-/***************************************************************************
- Interrupts
-***************************************************************************/
-
-IRQ_CALLBACK_MEMBER(galaxy_state::irq_callback)
-{
- set_timer();
- m_interrupts_enabled = true;
- return 0xff;
-}
-
-/***************************************************************************
- Snapshot files (GAL)
-***************************************************************************/
-
-#define GALAXY_SNAPSHOT_V1_SIZE 8268
-#define GALAXY_SNAPSHOT_V2_SIZE 8244
-
-void galaxy_state::setup_snapshot(const uint8_t * data, uint32_t size)
-{
- switch (size)
- {
- case GALAXY_SNAPSHOT_V1_SIZE:
- m_maincpu->set_state_int(Z80_AF, data[0x00] | data[0x01] << 8);
- m_maincpu->set_state_int(Z80_BC, data[0x04] | data[0x05] << 8);
- m_maincpu->set_state_int(Z80_DE, data[0x08] | data[0x09] << 8);
- m_maincpu->set_state_int(Z80_HL, data[0x0c] | data[0x0d] << 8);
- m_maincpu->set_state_int(Z80_IX, data[0x10] | data[0x11] << 8);
- m_maincpu->set_state_int(Z80_IY, data[0x14] | data[0x15] << 8);
- m_maincpu->set_state_int(Z80_PC, data[0x18] | data[0x19] << 8);
- m_maincpu->set_state_int(Z80_SP, data[0x1c] | data[0x1d] << 8);
- m_maincpu->set_state_int(Z80_AF2, data[0x20] | data[0x21] << 8);
- m_maincpu->set_state_int(Z80_BC2, data[0x24] | data[0x25] << 8);
- m_maincpu->set_state_int(Z80_DE2, data[0x28] | data[0x29] << 8);
- m_maincpu->set_state_int(Z80_HL2, data[0x2c] | data[0x2d] << 8);
- m_maincpu->set_state_int(Z80_IFF1, data[0x30]);
- m_maincpu->set_state_int(Z80_IFF2, data[0x34]);
- m_maincpu->set_state_int(Z80_HALT, data[0x38]);
- m_maincpu->set_state_int(Z80_IM, data[0x3c]);
- m_maincpu->set_state_int(Z80_I, data[0x40]);
- m_maincpu->set_state_int(Z80_R, (data[0x44] & 0x7f) | (data[0x48] & 0x80));
-
- memcpy (m_ram->pointer(), data + 0x084c, (m_ram->size() < 0x1800) ? m_ram->size() : 0x1800);
-
- break;
- case GALAXY_SNAPSHOT_V2_SIZE:
- m_maincpu->set_state_int(Z80_AF, data[0x00] | data[0x01] << 8);
- m_maincpu->set_state_int(Z80_BC, data[0x02] | data[0x03] << 8);
- m_maincpu->set_state_int(Z80_DE, data[0x04] | data[0x05] << 8);
- m_maincpu->set_state_int(Z80_HL, data[0x06] | data[0x07] << 8);
- m_maincpu->set_state_int(Z80_IX, data[0x08] | data[0x09] << 8);
- m_maincpu->set_state_int(Z80_IY, data[0x0a] | data[0x0b] << 8);
- m_maincpu->set_state_int(Z80_PC, data[0x0c] | data[0x0d] << 8);
- m_maincpu->set_state_int(Z80_SP, data[0x0e] | data[0x0f] << 8);
- m_maincpu->set_state_int(Z80_AF2, data[0x10] | data[0x11] << 8);
- m_maincpu->set_state_int(Z80_BC2, data[0x12] | data[0x13] << 8);
- m_maincpu->set_state_int(Z80_DE2, data[0x14] | data[0x15] << 8);
- m_maincpu->set_state_int(Z80_HL2, data[0x16] | data[0x17] << 8);
-
- m_maincpu->set_state_int(Z80_IFF1, data[0x18] & 0x01);
- m_maincpu->set_state_int(Z80_IFF2, (uint64_t)0);
-
- m_maincpu->set_state_int(Z80_HALT, (uint64_t)0);
-
- m_maincpu->set_state_int(Z80_IM, (data[0x18] >> 1) & 0x03);
-
- m_maincpu->set_state_int(Z80_I, data[0x19]);
- m_maincpu->set_state_int(Z80_R, data[0x1a]);
-
- memcpy (m_ram->pointer(), data + 0x0834, (m_ram->size() < 0x1800) ? m_ram->size() : 0x1800);
-
- break;
- }
-
- m_maincpu->set_input_line(INPUT_LINE_NMI, CLEAR_LINE);
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, CLEAR_LINE);
-}
-
-SNAPSHOT_LOAD_MEMBER(galaxy_state::snapshot_cb)
-{
- uint8_t* snapshot_data;
-
- switch (snapshot_size)
- {
- case GALAXY_SNAPSHOT_V1_SIZE:
- case GALAXY_SNAPSHOT_V2_SIZE:
- snapshot_data = auto_alloc_array(machine(), uint8_t, snapshot_size);
- break;
- default:
- return image_init_result::FAIL;
- }
-
- image.fread( snapshot_data, snapshot_size);
-
- setup_snapshot(snapshot_data, snapshot_size);
-
- return image_init_result::PASS;
-}
-
-
-/***************************************************************************
- Driver Initialization
-***************************************************************************/
-
-void galaxy_state::init_galaxy()
-{
- address_space &space = m_maincpu->space(AS_PROGRAM);
- space.install_readwrite_bank( 0x2800, 0x2800 + m_ram->size() - 1, "bank1");
- membank("bank1")->set_base(m_ram->pointer());
-
- if (m_ram->size() < (6 + 48) * 1024)
- space.nop_readwrite( 0x2800 + m_ram->size(), 0xffff);
-}
-
-void galaxy_state::init_galaxyp()
-{
- uint8_t *ROM = memregion("maincpu")->base();
- ROM[0x0037] = 0x29;
- ROM[0x03f9] = 0xcd;
- ROM[0x03fa] = 0x00;
- ROM[0x03fb] = 0xe0;
-}
-
-/***************************************************************************
- Machine Initialization
-***************************************************************************/
-
-void galaxy_state::machine_reset()
-{
- m_interrupts_enabled = true;
-}
-