mirror of
https://github.com/holub/mame
synced 2025-05-22 05:38:52 +03:00
c7b8147628
Use shorter / correct type values, Remove unnecessary arguments in handlers, Duplicates device/bus/coco/cococart.cpp : Allow various types of delegates for install handler 5clown.cpp : Remove unnecessary arguments in some handler kchamp.cpp : Remove unnecessary arguments in some handler
144 lines
3.7 KiB
C++
144 lines
3.7 KiB
C++
// license:BSD-3-Clause
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// copyright-holders:R. Belmont, Golden Child
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/*********************************************************************
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ssprite.cpp
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Implementation of the Synetix SuperSprite
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*********************************************************************/
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#include "emu.h"
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#include "ssprite.h"
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#include "sound/tms5220.h"
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#include "speaker.h"
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/***************************************************************************
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PARAMETERS
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***************************************************************************/
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#define TMS_TAG "ssprite_tms"
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#define TMS5220_TAG "ssprite_tms5220"
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#define AY_TAG "ssprite_ay"
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#define SCREEN_TAG "screen"
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//**************************************************************************
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// GLOBAL VARIABLES
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//**************************************************************************
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DEFINE_DEVICE_TYPE(A2BUS_SSPRITE, a2bus_ssprite_device, "a2ssprite", "Synetix SuperSprite")
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//-------------------------------------------------
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// device_add_mconfig - add device configuration
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//-------------------------------------------------
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void a2bus_ssprite_device::device_add_mconfig(machine_config &config)
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{
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TMS9918A(config, m_tms, XTAL(10'738'635)).set_screen(SCREEN_TAG);
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m_tms->set_vram_size(0x4000); // 16k of VRAM
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m_tms->int_callback().set(FUNC(a2bus_ssprite_device::tms_irq_w));
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SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER);
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SPEAKER(config, "mono").front_center();
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AY8912(config, m_ay, 1022727).add_route(ALL_OUTPUTS, "mono", 1.0);
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TMS5220(config, m_tms5220, 640000).add_route(ALL_OUTPUTS, "mono", 1.0);
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}
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//**************************************************************************
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// LIVE DEVICE
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//**************************************************************************
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a2bus_ssprite_device::a2bus_ssprite_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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a2bus_ssprite_device(mconfig, A2BUS_SSPRITE, tag, owner, clock)
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{
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}
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a2bus_ssprite_device::a2bus_ssprite_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, type, tag, owner, clock),
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device_a2bus_card_interface(mconfig, *this),
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m_tms(*this, TMS_TAG),
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m_ay(*this, AY_TAG),
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m_tms5220(*this, TMS5220_TAG)
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{
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}
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//-------------------------------------------------
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// device_start - device-specific startup
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//-------------------------------------------------
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void a2bus_ssprite_device::device_start()
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{
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}
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void a2bus_ssprite_device::device_reset()
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{
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}
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/*
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C0nx map: (info from Synetix SuperSprite Owners manual.pdf page 33 of 266)
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0 - TMS9918 VDP vram read/write
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1 - TMS9918 VDP register write
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2 - TMS5220 Speech read/write
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3 - Video Switch APPLE VIDEO IN OFF
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4 - Video Switch APPLE VIDEO IN ON
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5 - Video Switch APPLE ONLY OUT
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6 - Video Switch MIX VDP/EXTERNAL VIDEO
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7 - TMS 9918 WRITE ONLY/FRAME RESET
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C - AY Sound data write
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D - AY Sound data write
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E - AY Sound register write or data read
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F - AY Sound register write or data read
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*/
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uint8_t a2bus_ssprite_device::read_c0nx(uint8_t offset)
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{
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switch (offset)
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{
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case 0:
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return m_tms->vram_read();
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case 1:
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return m_tms->register_read();
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case 2:
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return 0x1f | m_tms5220->status_r();
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case 14:
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case 15:
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return m_ay->data_r();
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}
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return 0xff;
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}
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void a2bus_ssprite_device::write_c0nx(uint8_t offset, uint8_t data)
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{
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switch (offset)
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{
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case 0:
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m_tms->vram_write(data);
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break;
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case 1:
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m_tms->register_write(data);
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break;
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case 2:
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m_tms5220->data_w(data);
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break;
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case 12:
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case 13:
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m_ay->data_w(data);
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break;
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case 14:
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case 15:
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m_ay->address_w(data);
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break;
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}
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}
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WRITE_LINE_MEMBER( a2bus_ssprite_device::tms_irq_w )
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{
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if (state)
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raise_slot_irq();
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else
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lower_slot_irq();
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}
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