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bus/coco: add CoCo Max Hi Res Input Module (#8104)

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tim lindner 2021-05-31 13:29:01 -07:00 committed by GitHub
parent b6886b0c78
commit eb1df97c6b
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7 changed files with 263 additions and 12 deletions
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2
scripts/src/bus.lua
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@ -3455,6 +3455,8 @@ if (BUSES["COCO"]~=null) then
MAME_DIR .. "src/devices/bus/coco/coco_fdc.h",
MAME_DIR .. "src/devices/bus/coco/coco_gmc.cpp",
MAME_DIR .. "src/devices/bus/coco/coco_gmc.h",
MAME_DIR .. "src/devices/bus/coco/coco_max.cpp",
MAME_DIR .. "src/devices/bus/coco/coco_max.h",
MAME_DIR .. "src/devices/bus/coco/coco_midi.cpp",
MAME_DIR .. "src/devices/bus/coco/coco_midi.h",
MAME_DIR .. "src/devices/bus/coco/coco_multi.cpp",

172
src/devices/bus/coco/coco_max.cpp Normal file
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@ -0,0 +1,172 @@
// license:BSD-3-Clause
// copyright-holders:tim lindner
/***************************************************************************
coco_max.cpp
Code for emulating CoCo Max Hi-Res Input Module
***************************************************************************/
#include "emu.h"
#include "coco_max.h"
#include "machine/ram.h"
#define MOUSE_SENSITIVITY 75
#define COCOMAX_X_TAG "cocomax_x"
#define COCOMAX_Y_TAG "cocomax_y"
#define COCOMAX_BUTTONS "cocomax_buttons"
// #define VERBOSE (LOG_GENERAL )
#include "logmacro.h"
//-------------------------------------------------
// INPUT_PORTS( cocomax_mouse )
//-------------------------------------------------
INPUT_PORTS_START( cocomax_mouse )
PORT_START(COCOMAX_X_TAG)
PORT_BIT( 0xff, 0x00, IPT_AD_STICK_X) PORT_NAME("CoCo Max Mouse X") PORT_SENSITIVITY(MOUSE_SENSITIVITY) PORT_MINMAX(0x00,0xff) PORT_PLAYER(1)
PORT_START(COCOMAX_Y_TAG)
PORT_BIT( 0xff, 0x00, IPT_AD_STICK_Y) PORT_NAME("CoCo Max Mouse Y") PORT_SENSITIVITY(MOUSE_SENSITIVITY) PORT_MINMAX(0x00,0xff) PORT_PLAYER(1)
PORT_START(COCOMAX_BUTTONS)
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1) PORT_NAME("CoCo Max Left Button") PORT_CODE(KEYCODE_0_PAD) PORT_CODE(MOUSECODE_BUTTON1) PORT_PLAYER(1)
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON2) PORT_NAME("CoCo Max Right Button") PORT_CODE(KEYCODE_DEL_PAD) PORT_CODE(MOUSECODE_BUTTON2) PORT_PLAYER(1)
INPUT_PORTS_END
//**************************************************************************
// TYPE DECLARATIONS
//**************************************************************************
namespace
{
// ======================> coco_pak_device
class coco_pak_max_device :
public device_t,
public device_cococart_interface
{
public:
// construction/destruction
coco_pak_max_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
virtual ioport_constructor device_input_ports() const override;
u8 ff90_read(offs_t offset);
private:
required_ioport m_mouse_x;
required_ioport m_mouse_y;
required_ioport m_buttons;
uint8_t m_a2d_result;
};
};
//**************************************************************************
// GLOBAL VARIABLES
//**************************************************************************
DEFINE_DEVICE_TYPE_PRIVATE(COCO_PAK_MAX, device_cococart_interface, coco_pak_max_device, "cocopakmax", "CoCo Max HI-RES input module")
//-------------------------------------------------
// coco_pak_device - constructor
//-------------------------------------------------
coco_pak_max_device::coco_pak_max_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, COCO_PAK_MAX, tag, owner, clock)
, device_cococart_interface(mconfig, *this)
, m_mouse_x(*this, COCOMAX_X_TAG)
, m_mouse_y(*this, COCOMAX_Y_TAG)
, m_buttons(*this, COCOMAX_BUTTONS)
, m_a2d_result(0)
{
}
ioport_constructor coco_pak_max_device::device_input_ports() const
{
return INPUT_PORTS_NAME(cocomax_mouse);
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void coco_pak_max_device::device_start()
{
// initial state
m_a2d_result = 0;
// save state
save_item(NAME(m_a2d_result));
// install $ff90-$ff93 handler
install_read_handler(0xff90, 0xff97, read8sm_delegate(*this, FUNC(coco_pak_max_device::ff90_read)));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void coco_pak_max_device::device_reset()
{
m_a2d_result = 0;
}
//-------------------------------------------------
// ff90_read
//-------------------------------------------------
u8 coco_pak_max_device::ff90_read(offs_t offset)
{
uint8_t result = m_a2d_result;
switch (offset & 0x08)
{
case 0:
m_a2d_result = m_mouse_y->read();
break;
case 1:
m_a2d_result = m_mouse_x->read();
break;
case 2:
m_a2d_result = BIT(m_buttons->read(), 0) ? 0 : 0xff;
break;
case 3:
m_a2d_result = BIT(m_buttons->read(), 1) ? 0 : 0xff;
break;
case 4:
/* not connected*/
break;
case 5:
/* not connected*/
break;
case 6:
/* not connected*/
break;
case 7:
/* not connected*/
break;
default:
break;
}
return result;
}

14
src/devices/bus/coco/coco_max.h Normal file
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@ -0,0 +1,14 @@
// license:BSD-3-Clause
// copyright-holders:tim lindner
#ifndef MAME_BUS_COCO_COCO_MAX_H
#define MAME_BUS_COCO_COCO_MAX_H
#pragma once
#include "cococart.h"
// device type definition
DECLARE_DEVICE_TYPE(COCO_PAK_MAX, device_cococart_interface)
#endif // MAME_BUS_COCO_COCO_MAX_H

2
src/devices/bus/coco/cococart.cpp
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@ -43,6 +43,7 @@
#include "coco_dcmodem.h"
#include "coco_fdc.h"
#include "coco_gmc.h"
#include "coco_max.h"
#include "coco_midi.h"
#include "coco_multi.h"
#include "coco_orch90.h"
@ -699,6 +700,7 @@ void coco_cart_add_basic_devices(device_slot_interface &device)
device.option_add("ccpsg", COCO_PSG);
device.option_add("dcmodem", COCO_DCMODEM);
device.option_add("gmc", COCO_PAK_GMC);
device.option_add("max", COCO_PAK_MAX);
device.option_add("midi", COCO_MIDI);
device.option_add("orch90", COCO_ORCH90);
device.option_add("ram", COCO_PAK_RAM);

2
src/mame/drivers/dragon.cpp
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@ -25,6 +25,7 @@
#include "bus/coco/coco_gmc.h"
#include "bus/coco/coco_orch90.h"
#include "bus/coco/coco_max.h"
#include "bus/coco/coco_midi.h"
#include "bus/coco/coco_pak.h"
#include "bus/coco/coco_psg.h"
@ -214,6 +215,7 @@ void dragon_cart(device_slot_interface &device)
device.option_add("gmc", COCO_PAK_GMC);
device.option_add("jcbsnd", DRAGON_JCBSND);
device.option_add("jcbspch", DRAGON_JCBSPCH);
device.option_add("max", COCO_PAK_MAX);
device.option_add("midi", DRAGON_MIDI);
device.option_add("orch90", COCO_ORCH90);
device.option_add("pak", COCO_PAK);

81
src/mame/machine/6883sam.cpp
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@ -57,7 +57,25 @@
// CONSTANTS
//**************************************************************************
#define LOG_SAM 0
#define LOG_FBITS (1U << 1)
#define LOG_VBITS (1U << 2)
#define LOG_PBITS (1U << 3)
#define LOG_TBITS (1U << 4)
#define LOG_MBITS (1U << 5)
#define LOG_RBITS (1U << 6)
#define VERBOSE (0)
// #define VERBOSE (LOG_FBITS)
// #define VERBOSE (LOG_FBITS | LOG_VBITS | LOG_PBITS | LOG_MBITS | LOG_RBITS)
#include "logmacro.h"
#define LOGFBITS(...) LOGMASKED(LOG_FBITS, __VA_ARGS__)
#define LOGVBITS(...) LOGMASKED(LOG_VBITS, __VA_ARGS__)
#define LOGPBITS(...) LOGMASKED(LOG_PBITS, __VA_ARGS__)
#define LOGTBITS(...) LOGMASKED(LOG_TBITS, __VA_ARGS__)
#define LOGMBITS(...) LOGMASKED(LOG_MBITS, __VA_ARGS__)
#define LOGRBITS(...) LOGMASKED(LOG_RBITS, __VA_ARGS__)
DEFINE_DEVICE_TYPE(SAM6883, sam6883_device, "sam6883", "MC6883 SAM")
@ -302,16 +320,9 @@ void sam6883_device::update_memory()
// 64k mode (dynamic)
case SAM_STATE_M1|SAM_STATE_M0:
// 64k mode (static)
if (m_sam_state & SAM_STATE_TY)
{
// full 64k RAM
m_counter_mask = 0xFFFF;
}
else
{
// ROM/RAM
m_counter_mask = 0x7FFF;
}
// full 64k RAM or ROM/RAM
// CoCo Max requires these two be treated the same
m_counter_mask = 0xfFFF;
break;
}
}
@ -370,6 +381,54 @@ void sam6883_device::internal_write(offs_t offset, uint8_t data)
update_memory();
if (xorval & (SAM_STATE_R1|SAM_STATE_R0))
update_cpu_clock();
if( xorval & (SAM_STATE_F6|SAM_STATE_F5|SAM_STATE_F4|SAM_STATE_F3|SAM_STATE_F2|SAM_STATE_F1|SAM_STATE_F0))
{
/* Video frame buffer address changed */
LOGFBITS("%s: SAM F Address: $%04x\n",
machine().describe_context(),
display_offset() );
}
if( xorval & (SAM_STATE_V0|SAM_STATE_V1|SAM_STATE_V2))
{
/* Video frame buffer address changed */
LOGVBITS("%s: SAM V Bits: $%02x\n",
machine().describe_context(),
(m_sam_state & (SAM_STATE_V0|SAM_STATE_V1|SAM_STATE_V2)) );
}
if( xorval & (SAM_STATE_P1))
{
/* Video frame buffer address changed */
LOGPBITS("%s: SAM P1 Bit: $%02x\n",
machine().describe_context(),
(m_sam_state & (SAM_STATE_P1)) >> 10 );
}
if( xorval & (SAM_STATE_TY))
{
/* Video frame buffer address changed */
LOGTBITS("%s: SAM TY Bits: $%02x\n",
machine().describe_context(),
(m_sam_state & (SAM_STATE_TY)) >> 15 );
}
if( xorval & (SAM_STATE_M0|SAM_STATE_M1))
{
/* Video frame buffer address changed */
LOGMBITS("%s: SAM M Bits: $%02x\n",
machine().describe_context(),
(m_sam_state & (SAM_STATE_M0|SAM_STATE_M1)) >> 9 );
}
if( xorval & (SAM_STATE_R0|SAM_STATE_R1))
{
/* Video frame buffer address changed */
LOGRBITS("%s: SAM R Bits: $%02x\n",
machine().describe_context(),
(m_sam_state & (SAM_STATE_R0|SAM_STATE_R1)) >> 11 );
}
}