mirror of
https://github.com/holub/mame
synced 2025-04-22 16:31:49 +03:00
Added Elanco AgVision and fixed TRS VideoTex drivers. (#10520)
New working machines ----------------------- Elanco AgVision Machines promoted to working ----------------------- Tandy Radio Shack Videotex
This commit is contained in:
tim lindner
GitHub
parent
95e029e9cf
commit
75e8f4c9f7
@ -13,8 +13,10 @@
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// MACROS
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//**************************************************************************
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#define LOG_SETUP (1 << 1U)
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#define LOG_CA1 (1 << 2U)
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#define LOG_SETUP (1 << 1U)
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#define LOG_CTL_READ (1 << 2U)
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#define LOG_CA1 (1 << 3U)
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#define LOG_CB1 (1 << 4U)
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//#define VERBOSE (LOG_SETUP | LOG_GENERAL | LOG_CA1)
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//#define LOG_OUTPUT_STREAM std::cout
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@ -22,8 +24,10 @@
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#define VERBOSE (0)
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#include "logmacro.h"
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#define LOGSETUP(...) LOGMASKED(LOG_SETUP, __VA_ARGS__)
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#define LOGCA1(...) LOGMASKED(LOG_CA1, __VA_ARGS__)
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#define LOGSETUP(...) LOGMASKED(LOG_SETUP, __VA_ARGS__)
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#define LOGCTLR(...) LOGMASKED(LOG_CTL_READ, __VA_ARGS__)
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#define LOGCA1(...) LOGMASKED(LOG_CA1, __VA_ARGS__)
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#define LOGCB1(...) LOGMASKED(LOG_CB1, __VA_ARGS__)
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#define PIA_IRQ1 (0x80)
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#define PIA_IRQ2 (0x40)
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@ -538,7 +542,7 @@ uint8_t pia6821_device::control_a_r()
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if (m_irq_a2 && c2_input(m_ctl_a))
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ret |= PIA_IRQ2;
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LOG("PIA control A read = %02X\n", ret);
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LOGCTLR("PIA control A read = %02X\n", ret);
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return ret;
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}
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@ -582,7 +586,7 @@ uint8_t pia6821_device::control_b_r()
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if (m_irq_b2 && c2_input(m_ctl_b))
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ret |= PIA_IRQ2;
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LOG("PIA control B read = %02X\n", ret);
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LOGCTLR("PIA control B read = %02X\n", ret);
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return ret;
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}
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@ -1044,12 +1048,12 @@ uint8_t pia6821_device::b_output()
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WRITE_LINE_MEMBER( pia6821_device::cb1_w )
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{
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LOG("Set PIA input CB1 = %d\n", state);
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LOGCB1("Set PIA input CB1 = %d\n", state);
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// the new state has caused a transition
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if ((m_in_cb1 != state) && ((state && c1_low_to_high(m_ctl_b)) || (!state && c1_high_to_low(m_ctl_b))))
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{
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LOG("CB1 triggering\n");
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LOGCB1("CB1 triggering\n");
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// mark the IRQ
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m_irq_b1 = true;
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@ -10712,6 +10712,10 @@ zerotrgta // (c) 1985 Data East Corporation
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bujutsu // G?645 (c)1997
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racjamdx // G?676 (c)1997 Japan JAA
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@source:trs/agvision.cpp
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agvision // TRS-80 AgVision
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trsvidtx // TRS-80 Videotex
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@source:trs/coco12.cpp
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cd6809 // Codimex CD-6809
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coco // Color Computer
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@ -10728,7 +10732,6 @@ lzcolor64 // Novo Tempo / LZ Equipamentos Color64
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ms1600 // ILCE / SEP Micro-SEP 1600
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mx1600 // Dynacom MX-1600
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t4426 // Terco 4426 CNC programming station
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trsvidtx // TRS-80 Videotex
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@source:trs/coco3.cpp
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coco3 // Color Computer 3 (NTSC)
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407
src/mame/trs/agvision.cpp
Normal file
407
src/mame/trs/agvision.cpp
Normal file
@ -0,0 +1,407 @@
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// license:BSD-3-Clause
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// copyright-holders: tim lindner
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/***************************************************************************
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Elanco AgVision and Radio Shack VideoTex terminals
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Dynamic RAM (16 or 4k) starts at $0000.
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ROM (2K) starts at $A000 and mirrors up to $BFFF
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Static RAM starts at $C000 for 128 bytes
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The PIA data port a is at $FF1C
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control port a is at $FF1D
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data port b is at $FF1E
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control port b is at $FF1F
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The Control Register (flip flop) is at $FF20
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The SAM starts at $FFC0
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PIA:
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Port A and B make up the keyboard matrix
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PA7 - RS-232 receive.
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CA1 - The horizontal sync from the VDG.
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CA2 - Unconnected, not verified.
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CB1 - Modem status, carrier detect.
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CB2 - Modem control (unverified).
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IRQA - Connected to the 6809 FIRQ.
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IRQB - Unconnected, not verified.
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Control Register:
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Bit 7 - RS-232 transmit.
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Bit 6 - RS-232 DTR, or activity LED (unsure which).
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Bit 5 - unconnected (not verified).
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Bit 3 - VDG GM0.
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Bit 2 - VDG GM1.
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Bit 1 - VDG GM2.
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Bit 0 - VDG A* / G.
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Reverse engineering used with permission of George Phillips of the
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trs80gp emulator.
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***************************************************************************/
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#include "emu.h"
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#include "6883sam.h"
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#include "bus/rs232/rs232.h"
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#include "cpu/m6809/m6809.h"
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#include "machine/6821pia.h"
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#include "machine/ram.h"
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#include "video/mc6847.h"
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#include "screen.h"
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//-------------------------------------------------
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// TYPE DEFINITIONS
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//-------------------------------------------------
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namespace
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{
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class agvision_state : public driver_device
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{
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public:
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agvision_state(const machine_config &mconfig, device_type type, const char *tag)
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: driver_device(mconfig, type, tag)
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, m_maincpu(*this, "maincpu")
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, m_screen(*this, "screen")
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, m_ram(*this, "ram")
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, m_pia_0(*this, "pia0")
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, m_sam(*this, "sam")
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, m_vdg(*this, "vdg")
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, m_rs232(*this, "rs232")
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, m_keyboard(*this, "row%u", 0)
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{}
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void agvision(machine_config &config);
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DECLARE_INPUT_CHANGED_MEMBER(hang_up);
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protected:
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virtual void machine_start() override;
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private:
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static constexpr int CD_DELAY = 250;
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required_device<cpu_device> m_maincpu;
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required_device<screen_device> m_screen;
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required_device<ram_device> m_ram;
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required_device<pia6821_device> m_pia_0;
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required_device<sam6883_device> m_sam;
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required_device<mc6847_base_device> m_vdg;
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required_device<rs232_port_device> m_rs232;
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required_ioport_array<7> m_keyboard;
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emu_timer *m_timer; // Carrier Detect Timer
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uint8_t sam_read(offs_t offset);
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void mem_map(address_map &map);
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void rom_map(address_map &map);
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void static_ram_map(address_map &map);
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void io0_map(address_map &map);
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void io1_map(address_map &map);
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void boot_map(address_map &map);
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void ff20_write(offs_t offset, uint8_t data);
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void configure_sam();
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uint8_t pia0_pa_r();
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void pia0_cb2_w(int state);
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TIMER_CALLBACK_MEMBER(timer_elapsed);
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int m_cd;
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};
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//-------------------------------------------------
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// INPUT_PORTS( agvision )
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//-------------------------------------------------
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static INPUT_PORTS_START( agvision )
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PORT_START("row0")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('@')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('b') PORT_CHAR('B')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('c') PORT_CHAR('C')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D')
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('G')
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PORT_START("row1")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('h') PORT_CHAR('H')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('i') PORT_CHAR('I')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('j') PORT_CHAR('J')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('k') PORT_CHAR('K')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('l') PORT_CHAR('L')
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('m') PORT_CHAR('M')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('n') PORT_CHAR('N')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('o') PORT_CHAR('O')
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PORT_START("row2")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('p') PORT_CHAR('P')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('t') PORT_CHAR('T')
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('u') PORT_CHAR('U')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('v') PORT_CHAR('V')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W')
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PORT_START("row3")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('x') PORT_CHAR('X')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('y') PORT_CHAR('Y')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('z') PORT_CHAR('Z')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("UP") PORT_CODE(KEYCODE_UP) PORT_CHAR(UCHAR_MAMEKEY(UP))
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("DOWN") PORT_CODE(KEYCODE_DOWN) PORT_CHAR(UCHAR_MAMEKEY(DOWN), 10)
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("LEFT") PORT_CODE(KEYCODE_LEFT) PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(UCHAR_MAMEKEY(LEFT), 8) PORT_CHAR('[')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("RIGHT") PORT_CODE(KEYCODE_RIGHT) PORT_CHAR(UCHAR_MAMEKEY(RIGHT), 9) PORT_CHAR(']')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SPACE") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
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PORT_START("row4")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$')
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'')
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PORT_START("row5")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(')
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')')
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR(':') PORT_CHAR('*')
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PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+')
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PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<')
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PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('-') PORT_CHAR('=')
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PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>')
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?')
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PORT_START("row6")
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PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("ENTER") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13)
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PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("CLEAR") PORT_CODE(KEYCODE_HOME) PORT_CHAR(12, UCHAR_SHIFT_2)
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PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("BREAK") PORT_CODE(KEYCODE_END) PORT_CODE(KEYCODE_ESC) PORT_CHAR(27)
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PORT_BIT(0x78, IP_ACTIVE_LOW, IPT_UNUSED)
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PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
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PORT_START("hup")
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PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("HUP") PORT_CODE(KEYCODE_TAB) PORT_CHANGED_MEMBER(DEVICE_SELF, agvision_state, agvision_state::hang_up, 0)
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INPUT_PORTS_END
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//-------------------------------------------------
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// DEVICE_INPUT_DEFAULTS_START( ag_modem )
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//-------------------------------------------------
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static DEVICE_INPUT_DEFAULTS_START( ag_modem )
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DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_300 )
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DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_300 )
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DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 )
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DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE )
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DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_1 )
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DEVICE_INPUT_DEFAULTS_END
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//-------------------------------------------------
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// machine_config
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//-------------------------------------------------
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void agvision_state::agvision(machine_config &config)
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{
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// basic machine hardware
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MC6809E(config, m_maincpu, XTAL(14'318'181) / 16);
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m_maincpu->set_addrmap(AS_PROGRAM, &agvision_state::mem_map);
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PIA6821(config, m_pia_0, 0);
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m_pia_0->readpa_handler().set(FUNC(agvision_state::pia0_pa_r));
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m_pia_0->irqa_handler().set_inputline(m_maincpu, M6809_FIRQ_LINE);
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m_pia_0->cb2_handler().set(FUNC(agvision_state::pia0_cb2_w));
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// video hardware
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER).set_raw(3.579545_MHz_XTAL * 2, 456, 0, 320, 262, 0, 240);
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MC6847_NTSC(config, m_vdg, XTAL(14'318'181) / 4); // VClk output from MC6883
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m_vdg->set_screen(m_screen);
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m_vdg->hsync_wr_callback().set(m_pia_0, FUNC(pia6821_device::ca1_w));
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m_vdg->input_callback().set(FUNC(agvision_state::sam_read));
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// memory controller
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SAM6883(config, m_sam, XTAL(14'318'181), m_maincpu);
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m_sam->set_addrmap(2, &agvision_state::rom_map); // ROM at $A000
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m_sam->set_addrmap(3, &agvision_state::static_ram_map); // RAM at $C000
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m_sam->set_addrmap(4, &agvision_state::io0_map); // IO at $FF00
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m_sam->set_addrmap(5, &agvision_state::io1_map); // IO at $FF20
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m_sam->set_addrmap(7, &agvision_state::boot_map); // IO at $FF60
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RS232_PORT(config, m_rs232, default_rs232_devices, "null_modem");
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m_rs232->set_option_device_input_defaults("null_modem", DEVICE_INPUT_DEFAULTS_NAME(ag_modem));
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// internal ram
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RAM(config, m_ram).set_default_size("16K").set_extra_options("4K");
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}
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//**************************************************************************
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// ADDRESS MAPS
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//**************************************************************************
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void agvision_state::mem_map(address_map &map)
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{
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map(0x0000, 0xffff).rw(m_sam, FUNC(sam6883_device::read), FUNC(sam6883_device::write));
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}
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void agvision_state::rom_map(address_map &map)
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{
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// $A000-$BFFF
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map(0x0000, 0x07ff).rom().region("maincpu", 0x0000).nopw().mirror(0x1800);
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}
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||||
|
||||
void agvision_state::static_ram_map(address_map &map)
|
||||
{
|
||||
// $C000-$FEFF
|
||||
map(0x0000, 0x0080).ram();
|
||||
}
|
||||
|
||||
void agvision_state::io0_map(address_map &map)
|
||||
{
|
||||
// $FF00-$FF1F
|
||||
map(0x1c, 0x1f).rw("pia0", FUNC(pia6821_device::read), FUNC(pia6821_device::write));
|
||||
}
|
||||
|
||||
void agvision_state::io1_map(address_map &map)
|
||||
{
|
||||
// $FF20-$FF3F
|
||||
map(0x00, 0x00).w(FUNC(agvision_state::ff20_write));
|
||||
}
|
||||
|
||||
void agvision_state::boot_map(address_map &map)
|
||||
{
|
||||
// $FF60-$FFEF
|
||||
map(0x60, 0x7f).nopw(); // SAM Registers
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// device_start
|
||||
//-------------------------------------------------
|
||||
|
||||
void agvision_state::machine_start()
|
||||
{
|
||||
configure_sam();
|
||||
|
||||
save_item(NAME(m_cd));
|
||||
m_pia_0->cb1_w(0);
|
||||
m_timer = timer_alloc(FUNC(agvision_state::timer_elapsed), this);
|
||||
m_cd = 0;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// sam_read
|
||||
//-------------------------------------------------
|
||||
|
||||
uint8_t agvision_state::sam_read(offs_t offset)
|
||||
{
|
||||
uint8_t data = m_sam->display_read(offset);
|
||||
m_vdg->as_w(BIT(data,7));
|
||||
m_vdg->inv_w(BIT(data,6));
|
||||
return data;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// ff20_write
|
||||
//-------------------------------------------------
|
||||
|
||||
void agvision_state::ff20_write(offs_t offset, uint8_t data)
|
||||
{
|
||||
m_rs232->write_txd(BIT(data,7));
|
||||
m_vdg->gm0_w(BIT(data,3));
|
||||
m_vdg->gm1_w(BIT(data,2));
|
||||
m_vdg->gm2_w(BIT(data,1));
|
||||
m_vdg->ag_w(BIT(data,0));
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// configure_sam
|
||||
//-------------------------------------------------
|
||||
|
||||
void agvision_state::configure_sam()
|
||||
{
|
||||
offs_t ramsize = m_ram->size();
|
||||
m_sam->space(0).install_ram(0, ramsize - 1, m_ram->pointer());
|
||||
if (ramsize < 65536)
|
||||
m_sam->space(0).nop_readwrite(ramsize, 0xffff);
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// timer_elapsed
|
||||
//-------------------------------------------------
|
||||
|
||||
TIMER_CALLBACK_MEMBER(agvision_state::timer_elapsed)
|
||||
{
|
||||
m_timer->adjust(attotime::from_usec(CD_DELAY));
|
||||
m_pia_0->cb1_w(m_cd);
|
||||
m_cd = !m_cd;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// pia0_pa_r - keyboard handler
|
||||
//-------------------------------------------------
|
||||
|
||||
uint8_t agvision_state::pia0_pa_r()
|
||||
{
|
||||
uint8_t pia0_pb = m_pia_0->b_output();
|
||||
|
||||
uint8_t pia0_pa = 0x7f;
|
||||
|
||||
/* poll the keyboard, and update PA6-PA0 accordingly*/
|
||||
for (unsigned i = 0; i < m_keyboard.size(); i++)
|
||||
{
|
||||
int value = m_keyboard[i]->read();
|
||||
if ((value | pia0_pb) != 0xff)
|
||||
{
|
||||
pia0_pa &= ~(0x01 << i);
|
||||
}
|
||||
}
|
||||
|
||||
pia0_pa |= (m_rs232->rxd_r() ? 0x80 : 0);
|
||||
|
||||
return pia0_pa;
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// hang_up
|
||||
//-------------------------------------------------
|
||||
|
||||
INPUT_CHANGED_MEMBER(agvision_state::hang_up)
|
||||
{
|
||||
if (newval == 1)
|
||||
{
|
||||
m_timer->adjust(attotime::never);
|
||||
}
|
||||
}
|
||||
|
||||
//-------------------------------------------------
|
||||
// pia0_cb2_w
|
||||
//-------------------------------------------------
|
||||
|
||||
void agvision_state::pia0_cb2_w(int state)
|
||||
{
|
||||
if (state == 1)
|
||||
{
|
||||
m_timer->adjust(attotime::from_usec(CD_DELAY*8000));
|
||||
}
|
||||
else
|
||||
{
|
||||
m_timer->adjust(attotime::never);
|
||||
}
|
||||
}
|
||||
|
||||
//**************************************************************************
|
||||
// ROMS
|
||||
//**************************************************************************
|
||||
|
||||
ROM_START(agvision)
|
||||
ROM_REGION(0xa000,"maincpu",0)
|
||||
ROM_LOAD("8041716-1.1-agvision.u13", 0x0000, 0x0800, CRC(5b11b13e) SHA1(896e68f90ed57e0921887e717fc92eda067a210d))
|
||||
ROM_END
|
||||
|
||||
ROM_START(trsvidtx)
|
||||
ROM_REGION(0xa000,"maincpu",0)
|
||||
ROM_LOAD("8041716-1.1-videotex.u13", 0x0000, 0x0800, CRC(821a59bb) SHA1(e3643f27fcf8287c0bc0f66b21554dc988ded9c1))
|
||||
ROM_END
|
||||
|
||||
} // anonymous namespace
|
||||
|
||||
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
|
||||
COMP( 1979, agvision, 0, 0, agvision, agvision, agvision_state, empty_init, "Elanco", "AgVision", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
|
||||
COMP( 1980, trsvidtx, 0, 0, agvision, agvision, agvision_state, empty_init, "Tandy Radio Shack", "Videotex", MACHINE_SUPPORTS_SAVE | MACHINE_NO_SOUND_HW )
|
||||
@ -652,15 +652,7 @@ void coco12_state::ms1600(machine_config &config)
|
||||
|
||||
ROM_START(coco)
|
||||
ROM_REGION(0x8000,MAINCPU_TAG,0)
|
||||
ROM_LOAD("bas10.rom", 0x2000, 0x2000, CRC(00b50aaa) SHA1(1f08455cd48ce6a06132aea15c4778f264e19539))
|
||||
ROM_END
|
||||
|
||||
ROM_START(trsvidtx)
|
||||
ROM_REGION(0x8000,MAINCPU_TAG,0)
|
||||
ROM_LOAD( "8041716-1.1.u13", 0x2000, 0x0800, BAD_DUMP CRC(7844793c) SHA1(4595f1ff9140974356fa60781caf201e5c464258) )
|
||||
ROM_RELOAD(0x2800, 0x0800)
|
||||
ROM_RELOAD(0x3000, 0x0800)
|
||||
ROM_RELOAD(0x3800, 0x0800)
|
||||
ROM_LOAD("bas10.rom", 0x2000, 0x2000, CRC(00b50aaa) SHA1(1f08455cd48ce6a06132aea15c4778f264e19539))
|
||||
ROM_END
|
||||
|
||||
ROM_START(cocoe)
|
||||
@ -738,7 +730,6 @@ ROM_END
|
||||
|
||||
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
|
||||
COMP( 1980, coco, 0, 0, coco, coco, coco12_state, empty_init, "Tandy Radio Shack", "Color Computer", MACHINE_SUPPORTS_SAVE )
|
||||
COMP( 1981, trsvidtx, coco, 0, coco, coco, coco12_state, empty_init, "Tandy Radio Shack", "Videotex", MACHINE_SUPPORTS_SAVE | MACHINE_NOT_WORKING )
|
||||
COMP( 1981, cocoe, coco, 0, cocoe, coco, coco12_state, empty_init, "Tandy Radio Shack", "Color Computer (Extended BASIC 1.0)", MACHINE_SUPPORTS_SAVE )
|
||||
COMP( 19??, cocoh, coco, 0, cocoh, coco, coco12_state, empty_init, "Tandy Radio Shack", "Color Computer (HD6309)", MACHINE_SUPPORTS_SAVE | MACHINE_UNOFFICIAL )
|
||||
COMP( 19??, cocoeh, coco, 0, cocoeh, coco, coco12_state, empty_init, "Tandy Radio Shack", "Color Computer (Extended BASIC 1.0; HD6309)", MACHINE_SUPPORTS_SAVE | MACHINE_UNOFFICIAL )
|
||||
|
||||
Loading…
Reference in New Issue
Block a user