diff options
Diffstat (limited to 'src/mame/drivers/tk2000.cpp')
-rw-r--r-- | src/mame/drivers/tk2000.cpp | 634 |
1 files changed, 0 insertions, 634 deletions
diff --git a/src/mame/drivers/tk2000.cpp b/src/mame/drivers/tk2000.cpp deleted file mode 100644 index 43ec5d7dc57..00000000000 --- a/src/mame/drivers/tk2000.cpp +++ /dev/null @@ -1,634 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:R. Belmont -/*************************************************************************** - - tk2000.cpp - Microdigital TK2000 - - Driver by R. Belmont - - This system is only vaguely Apple II compatible. - The keyboard works entirely differently, which is a big deal. - - TODO: emulate expansion connector (not wholly Apple II compatible) - - $C05A - banks RAM from c100-ffff - $C05B - banks ROM from c100-ffff - -************************************************************************/ - -#include "emu.h" -#include "video/apple2.h" - -#include "cpu/m6502/m6502.h" -#include "bus/centronics/ctronics.h" -#include "imagedev/cassette.h" -#include "machine/74259.h" -#include "machine/bankdev.h" -#include "machine/ram.h" -#include "machine/timer.h" -#include "sound/spkrdev.h" - -#include "emupal.h" -#include "screen.h" -#include "speaker.h" - -#include "formats/ap2_dsk.h" - - -#define A2_CPU_TAG "maincpu" -#define A2_BUS_TAG "a2bus" -#define A2_SPEAKER_TAG "speaker" -#define A2_CASSETTE_TAG "tape" -#define A2_UPPERBANK_TAG "inhbank" -#define A2_VIDEO_TAG "a2video" - -class tk2000_state : public driver_device -{ -public: - tk2000_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, A2_CPU_TAG), - m_ram(*this, RAM_TAG), - m_screen(*this, "screen"), - m_video(*this, A2_VIDEO_TAG), - m_row(*this, "ROW%u", 0U), - m_kbspecial(*this, "keyb_special"), - m_sysconfig(*this, "a2_config"), - m_speaker(*this, A2_SPEAKER_TAG), - m_cassette(*this, A2_CASSETTE_TAG), - m_upperbank(*this, A2_UPPERBANK_TAG), - m_softlatch(*this, "softlatch"), - m_printer(*this, "printer") - { } - - void tk2000(machine_config &config); - -protected: - virtual void machine_start() override; - virtual void machine_reset() override; - -private: - required_device<cpu_device> m_maincpu; - required_device<ram_device> m_ram; - required_device<screen_device> m_screen; - required_device<a2_video_device> m_video; - required_ioport_array<8> m_row; - required_ioport m_kbspecial; - required_ioport m_sysconfig; - required_device<speaker_sound_device> m_speaker; - required_device<cassette_image_device> m_cassette; - required_device<address_map_bank_device> m_upperbank; - required_device<addressable_latch_device> m_softlatch; - required_device<centronics_device> m_printer; - - int m_speaker_state; - int m_cassette_state; - - uint8_t m_kbout; - - uint8_t *m_ram_ptr; - int m_ram_size; - bool m_printer_busy; - bool m_ctrl_key; - - TIMER_DEVICE_CALLBACK_MEMBER(apple2_interrupt); - - uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - - uint8_t ram_r(offs_t offset); - void ram_w(offs_t offset, uint8_t data); - - DECLARE_WRITE_LINE_MEMBER(printer_busy_w); - void kbout_w(uint8_t data); - uint8_t kbin_r(); - uint8_t casout_r(); - void casout_w(uint8_t data); - uint8_t snd_r(); - void snd_w(uint8_t data); - uint8_t switches_r(offs_t offset); - uint8_t cassette_r(); - DECLARE_WRITE_LINE_MEMBER(color_w); - DECLARE_WRITE_LINE_MEMBER(motor_a_w); - DECLARE_WRITE_LINE_MEMBER(motor_b_w); - DECLARE_WRITE_LINE_MEMBER(rom_ram_w); - DECLARE_WRITE_LINE_MEMBER(ctrl_key_w); - uint8_t c080_r(offs_t offset); - void c080_w(offs_t offset, uint8_t data); - uint8_t c100_r(offs_t offset); - void c100_w(offs_t offset, uint8_t data); - - void apple2_map(address_map &map); - void inhbank_map(address_map &map); - - uint8_t read_floatingbus(); -}; - -/*************************************************************************** - START/RESET -***************************************************************************/ - -void tk2000_state::machine_start() -{ - m_ram_ptr = m_ram->pointer(); - m_ram_size = m_ram->size(); - m_speaker_state = 0; - m_speaker->level_w(m_speaker_state); - m_cassette_state = 0; - m_cassette->output(-1.0f); - m_printer_busy = false; - m_ctrl_key = false; - - // setup save states - save_item(NAME(m_speaker_state)); - save_item(NAME(m_cassette_state)); - save_item(NAME(m_kbout)); - save_item(NAME(m_printer_busy)); - save_item(NAME(m_ctrl_key)); - - // setup video pointers - m_video->m_ram_ptr = m_ram_ptr; - m_video->m_aux_ptr = m_ram_ptr; - m_video->m_char_ptr = nullptr; - m_video->m_char_size = 0; -} - -void tk2000_state::machine_reset() -{ - m_kbout = 0; -} - -/*************************************************************************** - VIDEO -***************************************************************************/ - -TIMER_DEVICE_CALLBACK_MEMBER(tk2000_state::apple2_interrupt) -{ - int scanline = param; - - if((scanline % 8) == 0) - m_screen->update_partial(m_screen->vpos()); - - // update the video system's shadow copy of the system config at the end of the frame - if (scanline == 192) - { - m_video->m_sysconfig = m_sysconfig->read(); - } -} - -uint32_t tk2000_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - m_video->hgr_update(screen, bitmap, cliprect, 0, 191); - return 0; -} - -/*************************************************************************** - I/O -***************************************************************************/ - -WRITE_LINE_MEMBER(tk2000_state::printer_busy_w) -{ - m_printer_busy = state; -} - -void tk2000_state::kbout_w(uint8_t data) -{ - // write row mask for keyboard scan - m_kbout = data; - - m_printer->write_data0(BIT(data, 0)); - m_printer->write_data1(BIT(data, 1)); - m_printer->write_data2(BIT(data, 2)); - m_printer->write_data3(BIT(data, 3)); - m_printer->write_data4(BIT(data, 4)); - m_printer->write_data5(BIT(data, 5)); - m_printer->write_data6(BIT(data, 6)); - m_printer->write_data7(BIT(data, 7)); -} - -uint8_t tk2000_state::kbin_r() -{ - uint8_t kbin = 0; - for (int i = 0; i < 8; i++) - if (BIT(m_kbout, i)) - kbin |= m_row[i]->read(); - - if (m_ctrl_key) - kbin |= m_kbspecial->read(); - - return kbin | (m_printer_busy ? 0x40 : 0); -} - -uint8_t tk2000_state::casout_r() -{ - if (!machine().side_effects_disabled()) - casout_w(0); - return read_floatingbus(); -} - -void tk2000_state::casout_w(uint8_t data) -{ - m_cassette_state ^= 1; - m_cassette->output(m_cassette_state ? 1.0f : -1.0f); -} - -uint8_t tk2000_state::snd_r() -{ - if (!machine().side_effects_disabled()) - snd_w(0); - return read_floatingbus(); -} - -void tk2000_state::snd_w(uint8_t data) -{ - m_speaker_state ^= 1; - m_speaker->level_w(m_speaker_state); -} - -uint8_t tk2000_state::switches_r(offs_t offset) -{ - if (!machine().side_effects_disabled()) - m_softlatch->write_bit((offset & 0x0e) >> 1, offset & 0x01); - return read_floatingbus(); -} - -uint8_t tk2000_state::cassette_r() -{ - return (m_cassette->input() > 0.0 ? 0x80 : 0) | (read_floatingbus() & 0x7f); -} - -WRITE_LINE_MEMBER(tk2000_state::color_w) -{ - // 0 = color, 1 = black/white -} - -WRITE_LINE_MEMBER(tk2000_state::motor_a_w) -{ -} - -WRITE_LINE_MEMBER(tk2000_state::motor_b_w) -{ -} - -WRITE_LINE_MEMBER(tk2000_state::rom_ram_w) -{ - // 0 = ROM, 1 = RAM - m_upperbank->set_bank(state); -} - -WRITE_LINE_MEMBER(tk2000_state::ctrl_key_w) -{ - m_ctrl_key = state; -} - -uint8_t tk2000_state::c080_r(offs_t offset) -{ - return read_floatingbus(); -} - -void tk2000_state::c080_w(offs_t offset, uint8_t data) -{ -} - -uint8_t tk2000_state::c100_r(offs_t offset) -{ - return m_ram_ptr[offset + 0xc100]; -} - -void tk2000_state::c100_w(offs_t offset, uint8_t data) -{ - m_ram_ptr[offset + 0xc100] = data; -} - -// floating bus code from old machine/apple2: needs to be reworked based on real beam position to enable e.g. Bob Bishop's screen splitter -uint8_t tk2000_state::read_floatingbus() -{ - enum - { - // scanner types - kScannerNone = 0, kScannerApple2, kScannerApple2e, - - // scanner constants - kHBurstClock = 53, // clock when Color Burst starts - kHBurstClocks = 4, // clocks per Color Burst duration - kHClock0State = 0x18, // H[543210] = 011000 - kHClocks = 65, // clocks per horizontal scan (including HBL) - kHPEClock = 40, // clock when HPE (horizontal preset enable) goes low - kHPresetClock = 41, // clock when H state presets - kHSyncClock = 49, // clock when HSync starts - kHSyncClocks = 4, // clocks per HSync duration - kNTSCScanLines = 262, // total scan lines including VBL (NTSC) - kNTSCVSyncLine = 224, // line when VSync starts (NTSC) - kPALScanLines = 312, // total scan lines including VBL (PAL) - kPALVSyncLine = 264, // line when VSync starts (PAL) - kVLine0State = 0x100, // V[543210CBA] = 100000000 - kVPresetLine = 256, // line when V state presets - kVSyncLines = 4, // lines per VSync duration - kClocksPerVSync = kHClocks * kNTSCScanLines // FIX: NTSC only? - }; - - // vars - // - int i, Hires, Mixed, Page2, _80Store, ScanLines, /* VSyncLine, ScanCycles,*/ - h_clock, h_state, h_0, h_1, h_2, h_3, h_4, h_5, - v_line, v_state, v_A, v_B, v_C, v_0, v_1, v_2, v_3, v_4, /* v_5, */ - _hires, addend0, addend1, addend2, sum, address; - - // video scanner data - // - i = m_maincpu->total_cycles() % kClocksPerVSync; // cycles into this VSync - - // machine state switches - // - Hires = 1; //m_video->m_hires ? 1 : 0; - Mixed = 0; //m_video->m_mix ? 1 : 0; - Page2 = m_video->m_page2 ? 1 : 0; - _80Store = 0; - - // calculate video parameters according to display standard - // - ScanLines = 1 ? kNTSCScanLines : kPALScanLines; // FIX: NTSC only? - // VSyncLine = 1 ? kNTSCVSyncLine : kPALVSyncLine; // FIX: NTSC only? - // ScanCycles = ScanLines * kHClocks; - - // calculate horizontal scanning state - // - h_clock = (i + kHPEClock) % kHClocks; // which horizontal scanning clock - h_state = kHClock0State + h_clock; // H state bits - if (h_clock >= kHPresetClock) // check for horizontal preset - { - h_state -= 1; // correct for state preset (two 0 states) - } - h_0 = (h_state >> 0) & 1; // get horizontal state bits - h_1 = (h_state >> 1) & 1; - h_2 = (h_state >> 2) & 1; - h_3 = (h_state >> 3) & 1; - h_4 = (h_state >> 4) & 1; - h_5 = (h_state >> 5) & 1; - - // calculate vertical scanning state - // - v_line = i / kHClocks; // which vertical scanning line - v_state = kVLine0State + v_line; // V state bits - if ((v_line >= kVPresetLine)) // check for previous vertical state preset - { - v_state -= ScanLines; // compensate for preset - } - v_A = (v_state >> 0) & 1; // get vertical state bits - v_B = (v_state >> 1) & 1; - v_C = (v_state >> 2) & 1; - v_0 = (v_state >> 3) & 1; - v_1 = (v_state >> 4) & 1; - v_2 = (v_state >> 5) & 1; - v_3 = (v_state >> 6) & 1; - v_4 = (v_state >> 7) & 1; - //v_5 = (v_state >> 8) & 1; - - // calculate scanning memory address - // - _hires = Hires; - if (Hires && Mixed && (v_4 & v_2)) - { - _hires = 0; // (address is in text memory) - } - - addend0 = 0x68; // 1 1 0 1 - addend1 = (h_5 << 5) | (h_4 << 4) | (h_3 << 3); - addend2 = (v_4 << 6) | (v_3 << 5) | (v_4 << 4) | (v_3 << 3); - sum = (addend0 + addend1 + addend2) & (0x0F << 3); - - address = 0; - address |= h_0 << 0; // a0 - address |= h_1 << 1; // a1 - address |= h_2 << 2; // a2 - address |= sum; // a3 - aa6 - address |= v_0 << 7; // a7 - address |= v_1 << 8; // a8 - address |= v_2 << 9; // a9 - address |= ((_hires) ? v_A : (1 ^ (Page2 & (1 ^ _80Store)))) << 10; // a10 - address |= ((_hires) ? v_B : (Page2 & (1 ^ _80Store))) << 11; // a11 - if (_hires) // hires? - { - // Y: insert hires only address bits - // - address |= v_C << 12; // a12 - address |= (1 ^ (Page2 & (1 ^ _80Store))) << 13; // a13 - address |= (Page2 & (1 ^ _80Store)) << 14; // a14 - } - else - { - // N: text, so no higher address bits unless Apple ][, not Apple //e - // - if ((1) && // Apple ][? // FIX: check for Apple ][? (FB is most useful in old games) - (kHPEClock <= h_clock) && // Y: HBL? - (h_clock <= (kHClocks - 1))) - { - address |= 1 << 12; // Y: a12 (add $1000 to address!) - } - } - - return m_ram_ptr[address % m_ram_size]; // FIX: this seems to work, but is it right!? -} - -/*************************************************************************** - ADDRESS MAP -***************************************************************************/ - -uint8_t tk2000_state::ram_r(offs_t offset) -{ - if (offset < m_ram_size) - { - return m_ram_ptr[offset]; - } - - return 0xff; -} - -void tk2000_state::ram_w(offs_t offset, uint8_t data) -{ - if (offset < m_ram_size) - { - m_ram_ptr[offset] = data; - } -} - -void tk2000_state::apple2_map(address_map &map) -{ - map(0x0000, 0xbfff).rw(FUNC(tk2000_state::ram_r), FUNC(tk2000_state::ram_w)); - map(0xc000, 0xc000).w(FUNC(tk2000_state::kbout_w)).nopr(); - map(0xc010, 0xc010).r(FUNC(tk2000_state::kbin_r)); - map(0xc020, 0xc020).rw(FUNC(tk2000_state::casout_r), FUNC(tk2000_state::casout_w)); - map(0xc030, 0xc030).rw(FUNC(tk2000_state::snd_r), FUNC(tk2000_state::snd_w)); - map(0xc050, 0xc05f).r(FUNC(tk2000_state::switches_r)).w(m_softlatch, FUNC(addressable_latch_device::write_a0)); - map(0xc060, 0xc060).mirror(8).r(FUNC(tk2000_state::cassette_r)); - map(0xc080, 0xc0ff).rw(FUNC(tk2000_state::c080_r), FUNC(tk2000_state::c080_w)); - map(0xc100, 0xffff).m(m_upperbank, FUNC(address_map_bank_device::amap8)); -} - -void tk2000_state::inhbank_map(address_map &map) -{ - map(0x0000, 0x3eff).rom().region("maincpu", 0x100); - map(0x4000, 0x7eff).rw(FUNC(tk2000_state::c100_r), FUNC(tk2000_state::c100_w)); -} - -/*************************************************************************** - INPUT PORTS -***************************************************************************/ - -/* - TK2000 matrix: - - 0 1 2 3 4 5 6 7 - 0SHIF B V C X Z - 1 G F D S A - 2 SPC T R E W Q - 3 LFT 5 4 3 2 1 - 4 RGT 6 7 8 9 0 - 5 DWN Y U I O P - 6 UP H J K L : - 7 RTN N M , . ? - - write row mask 1/2/4/8/10/20/40/80 to $C000 - read column at $C010 - - If $C05F is written, the Ctrl key is read in bit 0 of $C010 immediately afterwards. -*/ -static INPUT_PORTS_START( tk2000 ) - PORT_START("ROW0") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') - - PORT_START("ROW1") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') - - PORT_START("ROW2") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') - - PORT_START("ROW3") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_LEFT) PORT_CODE(KEYCODE_LEFT) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('\"') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') - - PORT_START("ROW4") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_RIGHT) PORT_CODE(KEYCODE_RIGHT) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('\'') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') - - PORT_START("ROW5") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_DOWN) PORT_CODE(KEYCODE_DOWN) PORT_CHAR(10) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') - - PORT_START("ROW6") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME(UTF8_UP) PORT_CODE(KEYCODE_UP) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(':') - - PORT_START("ROW7") - PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) - PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') - PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') - PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') - PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') - PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') - - PORT_START("keyb_special") - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("Control") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_SHIFT_2) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED) - - PORT_START("a2_config") - PORT_CONFNAME(0x03, 0x00, "Composite monitor type") - PORT_CONFSETTING(0x00, "Color") - PORT_CONFSETTING(0x01, "B&W") - PORT_CONFSETTING(0x02, "Green") - PORT_CONFSETTING(0x03, "Amber") -INPUT_PORTS_END - -void tk2000_state::tk2000(machine_config &config) -{ - /* basic machine hardware */ - M6502(config, m_maincpu, 1021800); /* close to actual CPU frequency of 1.020484 MHz */ - m_maincpu->set_addrmap(AS_PROGRAM, &tk2000_state::apple2_map); - - TIMER(config, "scantimer").configure_scanline(FUNC(tk2000_state::apple2_interrupt), "screen", 0, 1); - config.set_maximum_quantum(attotime::from_hz(60)); - - APPLE2_VIDEO(config, m_video, XTAL(14'318'181)).set_screen(m_screen); - - SCREEN(config, m_screen, SCREEN_TYPE_RASTER); - m_screen->set_refresh_hz(60); - m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */ - m_screen->set_size(280*2, 262); - m_screen->set_visarea(0, (280*2)-1,0,192-1); - m_screen->set_screen_update(FUNC(tk2000_state::screen_update)); - m_screen->set_palette(m_video); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 1.00); - - /* /INH banking */ - ADDRESS_MAP_BANK(config, A2_UPPERBANK_TAG).set_map(&tk2000_state::inhbank_map).set_options(ENDIANNESS_LITTLE, 8, 32, 0x4000); - - LS259(config, m_softlatch); // U36 - m_softlatch->q_out_cb<0>().set(FUNC(tk2000_state::color_w)); - m_softlatch->q_out_cb<1>().set(FUNC(tk2000_state::motor_a_w)); - m_softlatch->q_out_cb<2>().set(m_video, FUNC(a2_video_device::scr_w)); - m_softlatch->q_out_cb<3>().set(FUNC(tk2000_state::motor_b_w)); - m_softlatch->q_out_cb<4>().set(m_printer, FUNC(centronics_device::write_strobe)); - m_softlatch->q_out_cb<5>().set(FUNC(tk2000_state::rom_ram_w)); - m_softlatch->q_out_cb<7>().set(FUNC(tk2000_state::ctrl_key_w)); - - RAM(config, RAM_TAG).set_default_size("64K"); - - CASSETTE(config, m_cassette); - m_cassette->set_default_state(CASSETTE_STOPPED); - m_cassette->add_route(ALL_OUTPUTS, "mono", 0.05); - - CENTRONICS(config, m_printer, centronics_devices, nullptr); - m_printer->busy_handler().set(FUNC(tk2000_state::printer_busy_w)); -} - -/*************************************************************************** - - Game driver(s) - -***************************************************************************/ -ROM_START(tk2000) - ROM_REGION(0x4000,"maincpu",0) - ROM_LOAD( "tk2000.rom", 0x000000, 0x004000, CRC(dfdbacc3) SHA1(bb37844c31616046630868a4399ee3d55d6df277) ) -ROM_END - -/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */ -COMP( 1984, tk2000, 0, 0, tk2000, tk2000, tk2000_state, empty_init, "Microdigital", "TK2000 Color Computer", MACHINE_NOT_WORKING ) |