diff options
author | 2015-05-23 22:27:43 +1000 | |
---|---|---|
committer | 2015-05-23 22:27:43 +1000 | |
commit | ca0054a8d9df4c0bdc4977eedcbe45c094e92b86 (patch) | |
tree | 5b135bf558620b829b1c116e1377bad4f0d6d3df /src/mess/drivers/camplynx.c | |
parent | 6b32b9407de5996bcc5819bf0cbed87799ef6dd5 (diff) |
Camputers Lynx: added cassette save and load, added lower case for pasting, added notes.
Diffstat (limited to 'src/mess/drivers/camplynx.c')
-rw-r--r-- | src/mess/drivers/camplynx.c | 260 |
1 files changed, 188 insertions, 72 deletions
diff --git a/src/mess/drivers/camplynx.c b/src/mess/drivers/camplynx.c index 153cd3ae763..144c45d8c3b 100644 --- a/src/mess/drivers/camplynx.c +++ b/src/mess/drivers/camplynx.c @@ -64,16 +64,27 @@ 48k and 96k are basically the same machine. 128k is different. - The work so far is without the benefit of manuals, schematic etc [Robbbert] - - 48k, 96k: - Cassette operation is strange indeed. Save takes the dac output and directs - it to the tape. Load takes over line 0 of the keyboard and uses bits 0 and 5. + Notes: + - The screen doesn't scroll. This is normal. + - Variable names are case-sensitive. + - Break key is the Escape key. + - Typing a line number doesn't delete the line, you are in a calculator mode + (for example, typing 67-5 will print 62) + - DEL line-number deletes the line. + - To edit a line, press Ctrl-E, it asks for line number, type it in, + then arrows to move left-right, backspace to delete, press keys to insert them + - If you entered a line and got a syntax error, press Ctrl-Q to edit it. + - Cassette tapes made on 128k are a different speed to 48k tapes. To load a 128k + tape on a 48k system, enter TAPE 3 before loading. (2,3,4,5 all seem to work). + - When loading, there's no wildcard; you must specify the name. To Do: - - find Break key - - banking (it is incomplete atm) - - devices (cassette, disk, printer, joysticks) + - finish memory banking + - how is alt-green bank selected on 48k? + - port 80 on 48k + - disk + - printer + - joysticks - find out the mc6845 clock frequency ****************************************************************************/ @@ -82,6 +93,8 @@ #include "cpu/z80/z80.h" #include "video/mc6845.h" #include "sound/dac.h" +#include "imagedev/cassette.h" +#include "sound/wave.h" class camplynx_state : public driver_device { @@ -90,30 +103,39 @@ public: : driver_device(mconfig, type, tag) , m_palette(*this, "palette") , m_maincpu(*this, "maincpu") - //, m_cass(*this, "cassette") - //, m_wave(*this, WAVE_TAG) + , m_cass(*this, "cassette") //, m_printer(*this, "centronics") , m_crtc(*this, "crtc") //, m_fdc(*this, "fdc") + , m_dac(*this, "dac") { } - DECLARE_WRITE8_MEMBER(lynx48k_bank_w); - DECLARE_WRITE8_MEMBER(lynx128k_bank_w); - DECLARE_WRITE8_MEMBER(lynx128k_irq); + // 48k + DECLARE_READ8_MEMBER(port80_r); // cassin for 48k + DECLARE_WRITE8_MEMBER(port80_w); // control port 48k + DECLARE_WRITE8_MEMBER(port84_w); // dac port 48k + DECLARE_WRITE8_MEMBER(lynx48k_bank_w); // banking 48k DECLARE_DRIVER_INIT(lynx48k); - DECLARE_PALETTE_INIT(camplynx); - DECLARE_MACHINE_RESET(lynx128k); MC6845_UPDATE_ROW(lynx48k_update_row); + // 128k + DECLARE_WRITE8_MEMBER(lynx128k_port80_w); // control port 128k + DECLARE_READ8_MEMBER(lynx128k_port82_r); // cassin for 128k + DECLARE_WRITE8_MEMBER(lynx128k_port84_w); // dac port 128k + DECLARE_WRITE8_MEMBER(lynx128k_bank_w); // banking 128k + DECLARE_WRITE8_MEMBER(lynx128k_irq); + DECLARE_MACHINE_RESET(lynx128k); MC6845_UPDATE_ROW(lynx128k_update_row); + // common + DECLARE_PALETTE_INIT(camplynx); required_device<palette_device> m_palette; private: - virtual void video_start(); + UINT8 m_port80; required_device<cpu_device> m_maincpu; - //required_device<cassette_image_device> m_cass; - //required_device<> m_wave; + required_device<cassette_image_device> m_cass; //required_device<> m_printer; required_device<mc6845_device> m_crtc; //optional_device<> m_fdc; + required_device<dac_device> m_dac; }; /* These bankswitch handlers are very incomplete, just enough to get the @@ -211,8 +233,8 @@ ADDRESS_MAP_END static ADDRESS_MAP_START( lynx48k_io , AS_IO, 8, camplynx_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x007f,0x007f) AM_MIRROR(0xff00) AM_WRITE(lynx48k_bank_w) - AM_RANGE(0x0080,0x0080) AM_MIRROR(0xff00) AM_WRITENOP /* to be emulated */ - AM_RANGE(0x0080,0x0080) AM_READ_PORT("LINE0") + AM_RANGE(0x0080,0x0080) AM_MIRROR(0xff00) AM_WRITE(port80_w) + AM_RANGE(0x0080,0x0080) AM_READ(port80_r) AM_RANGE(0x0180,0x0180) AM_READ_PORT("LINE1") AM_RANGE(0x0280,0x0280) AM_READ_PORT("LINE2") AM_RANGE(0x0380,0x0380) AM_READ_PORT("LINE3") @@ -222,8 +244,8 @@ static ADDRESS_MAP_START( lynx48k_io , AS_IO, 8, camplynx_state ) AM_RANGE(0x0780,0x0780) AM_READ_PORT("LINE7") AM_RANGE(0x0880,0x0880) AM_READ_PORT("LINE8") AM_RANGE(0x0980,0x0980) AM_READ_PORT("LINE9") - AM_RANGE(0x0084,0x0084) AM_MIRROR(0xff00) AM_DEVWRITE("dac", dac_device, write_unsigned8) /* 6-bit dac */ - AM_RANGE(0x0086,0x0086) AM_MIRROR(0xff00) AM_DEVWRITE("crtc", mc6845_device, address_w) + AM_RANGE(0x0084,0x0084) AM_MIRROR(0xff00) AM_WRITE(port84_w) + AM_RANGE(0x0086,0x0086) AM_MIRROR(0xff00) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) AM_RANGE(0x0087,0x0087) AM_MIRROR(0xff00) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) ADDRESS_MAP_END @@ -236,7 +258,7 @@ static ADDRESS_MAP_START( lynx128k_io , AS_IO, 8, camplynx_state ) // AM_RANGE(0x007c,0x007c) AM_MIRROR(0xff80) AM_READ(lynx128k_printer_r) // AM_RANGE(0x007d,0x007d) AM_MIRROR(0xff80) AM_WRITE(lynx128k_printer_init_w) // this is rw // AM_RANGE(0x007e,0x007e) AM_MIRROR(0xff80) AM_WRITE(lynx128k_printer_w) - AM_RANGE(0x0080,0x0080) AM_MIRROR(0xff00) AM_WRITENOP /* to be emulated */ + AM_RANGE(0x0080,0x0080) AM_MIRROR(0xff00) AM_WRITE(lynx128k_port80_w) AM_RANGE(0x0080,0x0080) AM_READ_PORT("LINE0") AM_RANGE(0x0180,0x0180) AM_READ_PORT("LINE1") AM_RANGE(0x0280,0x0280) AM_READ_PORT("LINE2") @@ -247,8 +269,8 @@ static ADDRESS_MAP_START( lynx128k_io , AS_IO, 8, camplynx_state ) AM_RANGE(0x0780,0x0780) AM_READ_PORT("LINE7") AM_RANGE(0x0880,0x0880) AM_READ_PORT("LINE8") AM_RANGE(0x0980,0x0980) AM_READ_PORT("LINE9") - AM_RANGE(0x0082,0x0082) AM_MIRROR(0xff00) AM_WRITE(lynx128k_bank_w) // read=serial buffer - AM_RANGE(0x0084,0x0084) AM_MIRROR(0xff00) AM_DEVWRITE("dac", dac_device, write_unsigned8) /* 6-bit dac. Read="single-step", causes a NMI */ + AM_RANGE(0x0082,0x0082) AM_MIRROR(0xff00) AM_READWRITE(lynx128k_port82_r,lynx128k_bank_w) // read=serial buffer + AM_RANGE(0x0084,0x0084) AM_MIRROR(0xff00) AM_WRITE(lynx128k_port84_w) AM_RANGE(0x0086,0x0086) AM_MIRROR(0xff00) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) AM_RANGE(0x0087,0x0087) AM_MIRROR(0xff00) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) ADDRESS_MAP_END @@ -264,63 +286,63 @@ static INPUT_PORTS_START( lynx48k ) PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("1 !") PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_START("LINE1") PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C CONT") PORT_CODE(KEYCODE_C) PORT_CHAR('C') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D DEL") PORT_CODE(KEYCODE_D) PORT_CHAR('D') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X WEND") PORT_CODE(KEYCODE_X) PORT_CHAR('X') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E DATA") PORT_CODE(KEYCODE_E) PORT_CHAR('E') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("C CONT") PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('c') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("D DEL") PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('d') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("X WEND") PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('x') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("E DATA") PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('e') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("4 $") PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('$') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("3 #") PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('#') PORT_START("LINE2") PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Control") PORT_CODE(KEYCODE_LCONTROL) PORT_CODE(KEYCODE_RCONTROL) PORT_CHAR(UCHAR_SHIFT_2) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A AUTO") PORT_CODE(KEYCODE_A) PORT_CHAR('A') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S STOP") PORT_CODE(KEYCODE_S) PORT_CHAR('S') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z RESTORE") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W WHILE") PORT_CODE(KEYCODE_W) PORT_CHAR('W') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q REM") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("A AUTO") PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('a') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("S STOP") PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('s') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Z RESTORE") PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('z') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("W WHILE") PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('w') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Q REM") PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('q') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("2 \"") PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR(34) PORT_START("LINE3") PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F DEFPROC") PORT_CODE(KEYCODE_F) PORT_CHAR('F') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G GOTO") PORT_CODE(KEYCODE_G) PORT_CHAR('G') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V VERIFY") PORT_CODE(KEYCODE_V) PORT_CHAR('V') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T TRACE") PORT_CODE(KEYCODE_T) PORT_CHAR('T') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R REPEAT") PORT_CODE(KEYCODE_R) PORT_CHAR('R') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("F DEFPROC") PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('f') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("G GOTO") PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('g') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("V VERIFY") PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('v') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("T TRACE") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR('t') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("R REPEAT") PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('r') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("5 %") PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('%') PORT_START("LINE4") PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B BEEP") PORT_CODE(KEYCODE_B) PORT_CHAR('B') - PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N NEXT") PORT_CODE(KEYCODE_N) PORT_CHAR('N') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("B BEEP") PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('b') + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("N NEXT") PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR('n') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Space") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(32) - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H GOSUB") PORT_CODE(KEYCODE_H) PORT_CHAR('H') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y RUN") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("H GOSUB") PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('h') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Y RUN") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('y') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("6 &") PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('&') PORT_START("LINE5") PORT_BIT(0xd0, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J LABEL") PORT_CODE(KEYCODE_J) PORT_CHAR('J') - PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M RETURN") PORT_CODE(KEYCODE_M) PORT_CHAR('M') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U UNTIL") PORT_CODE(KEYCODE_U) PORT_CHAR('U') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("J LABEL") PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('j') + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("M RETURN") PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('m') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("U UNTIL") PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('u') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("8 (") PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('(') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("7 \'") PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR(39) PORT_START("LINE6") PORT_BIT(0xd0, IP_ACTIVE_LOW, IPT_UNUSED) - PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K MON") PORT_CODE(KEYCODE_K) PORT_CHAR('K') + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("K MON") PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('k') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(", <") PORT_CODE(KEYCODE_COMMA) PORT_CHAR(',') PORT_CHAR('<') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O ENDPROC") PORT_CODE(KEYCODE_O) PORT_CHAR('O') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I INPUT") PORT_CODE(KEYCODE_I) PORT_CHAR('I') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("O ENDPROC") PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('o') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("I INPUT") PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('i') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("9 )") PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR(')') PORT_START("LINE7") PORT_BIT(0xd0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("; +") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR('+') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(". >") PORT_CODE(KEYCODE_STOP) PORT_CHAR('.') PORT_CHAR('>') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L LIST") PORT_CODE(KEYCODE_L) PORT_CHAR('L') - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P PROC") PORT_CODE(KEYCODE_P) PORT_CHAR('P') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("L LIST") PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('l') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("P PROC") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR('p') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("0 _") PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_START("LINE8") PORT_BIT(0xd0, IP_ACTIVE_LOW, IPT_UNUSED) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME(": *") PORT_CODE(KEYCODE_QUOTE) PORT_CHAR(':') PORT_CHAR('*') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("/ ?") PORT_CODE(KEYCODE_SLASH) PORT_CHAR('/') PORT_CHAR('?') - PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("[") PORT_CODE(KEYCODE_OPENBRACE) PORT_CHAR('[') PORT_CHAR(0x5e) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("@ \\") PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('@') PORT_CHAR('\\') PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("- =") PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHAR('=') PORT_START("LINE9") @@ -329,10 +351,89 @@ static INPUT_PORTS_START( lynx48k ) PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("End") PORT_CODE(KEYCODE_END) PORT_CHAR(UCHAR_MAMEKEY(END)) PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Return") PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Left") PORT_CODE(KEYCODE_LEFT) PORT_CHAR(UCHAR_MAMEKEY(LEFT)) - PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("]") PORT_CODE(KEYCODE_CLOSEBRACE) PORT_CHAR(']') PORT_CHAR(0x7f) PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Delete") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) INPUT_PORTS_END +READ8_MEMBER( camplynx_state::port80_r ) +{ + UINT8 data = ioport("LINE0")->read(); + // when reading tape, bit 0 becomes cass-in signal + if BIT(m_port80, 1) + { + data &= 0xfe; + data |= (m_cass->input() > +0.02) ? 1 : 0; + } + return data; +} + +// during normal operation continually outputs E4,40,0 +// bit 1 is for the cassette motor. Other bits unknown. +WRITE8_MEMBER( camplynx_state::port80_w ) +{ + m_port80 = data; + m_cass->change_state( BIT(data, 1) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); +} + +/* DAC port. If writing cassette, output goes to tape as a sine wave, otherwise it goes to speaker. + There is code below to write as a sine wave or a square wave, both work and can be loaded successfully. + However the PALE emulator cannot load either of them, although it loads its own output. + MESS can load PALE's wav files though. + Currently square wave output is selected. */ + +WRITE8_MEMBER( camplynx_state::port84_w ) +{ + if BIT(m_port80, 1) + { + // Sine wave output + //float t = (float)(unsigned)data - 32.0f; + //m_cass->output(t/31); + + // Square wave output + m_cass->output(BIT(data, 5) ? -1.0 : +1.0); + } + else // speaker output + m_dac->write_unsigned8(space, 0, data); +} + +/* +d7 = clock +d2 = cass-in +d1 = serial data in +d0 = serial h/s in */ +READ8_MEMBER( camplynx_state::lynx128k_port82_r ) +{ + UINT8 data = 0xfb; // guess + data |= (m_cass->input() > +0.02) ? 4 : 0; + return data; +} + +/* +d7 = serial data out +d6 = interline control +d5 = cpu access +d4 = alt green or normal green +d3 = cass motor on +d2 = cass enable +d1 = serial h/s out +d0 = speaker */ +WRITE8_MEMBER( camplynx_state::lynx128k_port80_w ) +{ + m_port80 = data; + m_cass->change_state( BIT(data, 3) ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); +} + +// DAC port (6-bit) +WRITE8_MEMBER( camplynx_state::lynx128k_port84_w ) +{ + if BIT(m_port80, 3) // could be bit 2 + { + // Square wave output + m_cass->output(BIT(data, 5) ? -1.0 : +1.0); + } + else // speaker output + m_dac->write_unsigned8(space, 0, data); +} MACHINE_RESET_MEMBER(camplynx_state,lynx128k) { @@ -390,14 +491,15 @@ MC6845_UPDATE_ROW( camplynx_state::lynx48k_update_row ) { UINT8 *RAM = machine().root_device().memregion("maincpu")->base(); const rgb_t *palette = m_palette->palette()->entry_list_raw(); - UINT8 r,g,b; - UINT32 x, *p = &bitmap.pix32(y); + UINT8 r,g,b,x; + UINT32 *p = &bitmap.pix32(y); + UINT16 mem = ((ma << 2) + (ra << 5)) & 0x3fff; - for (x = (y << 5); x < x_count + (y << 5); x++) + for (x = 0; x < x_count; x++) { - r = RAM[0x14000+x]; - g = RAM[0x1c000+x]; - b = RAM[0x10000+x]; + r = RAM[0x14000+mem+x]; + g = RAM[0x1c000+mem+x]; + b = RAM[0x10000+mem+x]; *p++ = palette[(BIT(r, 7) << 1) | (BIT(g, 7) << 2) | (BIT(b, 7))]; *p++ = palette[(BIT(r, 6) << 1) | (BIT(g, 6) << 2) | (BIT(b, 6))]; @@ -414,14 +516,20 @@ MC6845_UPDATE_ROW( camplynx_state::lynx128k_update_row ) { UINT8 *RAM = machine().root_device().memregion("maincpu")->base(); const rgb_t *palette = m_palette->palette()->entry_list_raw(); - UINT8 r,g,b; - UINT32 x, *p = &bitmap.pix32(y); + UINT8 r,g,b,x; + UINT32 green_bank, *p = &bitmap.pix32(y); + UINT16 mem = ((ma << 2) + (ra << 6)) & 0x3fff; + // determine green bank + if BIT(m_port80, 4) + green_bank = 0x2c000+mem; // alt green + else + green_bank = 0x28000+mem; // normal green - for (x = (y << 6); x < x_count + (y << 6); x++) + for (x = 0; x < x_count; x++) { - r = RAM[0x20100+x]; - g = RAM[0x28100+x]; - b = RAM[0x24100+x]; + r = RAM[0x20000+mem+x]; + b = RAM[0x24000+mem+x]; + g = RAM[green_bank+x]; *p++ = palette[(BIT(r, 7) << 1) | (BIT(g, 7) << 2) | (BIT(b, 7))]; *p++ = palette[(BIT(r, 6) << 1) | (BIT(g, 6) << 2) | (BIT(b, 6))]; @@ -434,10 +542,6 @@ MC6845_UPDATE_ROW( camplynx_state::lynx128k_update_row ) } } -void camplynx_state::video_start() -{ -} - static MACHINE_CONFIG_START( lynx48k, camplynx_state ) /* basic machine hardware */ @@ -458,13 +562,19 @@ static MACHINE_CONFIG_START( lynx48k, camplynx_state ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("dac", DAC, 0) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.8) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.5) + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) /* devices */ MCFG_MC6845_ADD("crtc", MC6845, "screen", XTAL_12MHz / 8 /*? dot clock divided by dots per char */) MCFG_MC6845_SHOW_BORDER_AREA(false) MCFG_MC6845_CHAR_WIDTH(8) MCFG_MC6845_UPDATE_ROW_CB(camplynx_state, lynx48k_update_row) + + MCFG_CASSETTE_ADD("cassette") + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_DISABLED) + //MCFG_CASSETTE_INTERFACE("camplynx_cass") MACHINE_CONFIG_END static MACHINE_CONFIG_START( lynx128k, camplynx_state ) @@ -489,7 +599,9 @@ static MACHINE_CONFIG_START( lynx128k, camplynx_state ) /* sound hardware */ MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("dac", DAC, 0) - MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.8) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.5) + MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette") + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) /* devices */ MCFG_MC6845_ADD("crtc", MC6845, "screen", XTAL_12MHz / 8 /*? dot clock divided by dots per char */) @@ -497,6 +609,10 @@ static MACHINE_CONFIG_START( lynx128k, camplynx_state ) MCFG_MC6845_CHAR_WIDTH(8) MCFG_MC6845_UPDATE_ROW_CB(camplynx_state, lynx128k_update_row) MCFG_MC6845_OUT_HSYNC_CB(WRITE8(camplynx_state, lynx128k_irq)) + + MCFG_CASSETTE_ADD("cassette") + MCFG_CASSETTE_DEFAULT_STATE(CASSETTE_PLAY | CASSETTE_SPEAKER_ENABLED | CASSETTE_MOTOR_DISABLED) + //MCFG_CASSETTE_INTERFACE("camplynx_cass") MACHINE_CONFIG_END DRIVER_INIT_MEMBER(camplynx_state,lynx48k) @@ -538,4 +654,4 @@ ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */ COMP( 1983, lynx48k, 0, 0, lynx48k, lynx48k, camplynx_state, lynx48k, "Camputers", "Lynx 48k", GAME_NOT_WORKING) COMP( 1983, lynx96k, lynx48k, 0, lynx48k, lynx48k, camplynx_state, lynx48k, "Camputers", "Lynx 96k", GAME_NOT_WORKING) -COMP( 1983, lynx128k, lynx48k, 0, lynx128k, lynx48k, driver_device, 0, "Camputers", "Lynx 128k", GAME_NOT_WORKING) +COMP( 1983, lynx128k, lynx48k, 0, lynx128k, lynx48k, driver_device, 0, "Camputers", "Lynx 128k", GAME_NOT_WORKING) |