diff options
Diffstat (limited to 'src/mame/drivers/apexc.cpp')
-rw-r--r-- | src/mame/drivers/apexc.cpp | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/src/mame/drivers/apexc.cpp b/src/mame/drivers/apexc.cpp deleted file mode 100644 index f426671f772..00000000000 --- a/src/mame/drivers/apexc.cpp +++ /dev/null @@ -1,397 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Raphael Nabet, Robbbert -/* - drivers/apexc.c : APEXC driver - - By Raphael Nabet - - see cpu/apexc.c for background and tech info -*/ - -#include "emu.h" -#include "includes/apexc.h" - -/*static*/ const device_timer_id apexc_state::TIMER_POLL_INPUTS = 1; - -void apexc_state::machine_start() -{ - teletyper_init(); - - m_input_timer = timer_alloc(TIMER_POLL_INPUTS); - m_input_timer->adjust(attotime::from_hz(60), 0, attotime::from_hz(60)); -} - -/* - Punch a tape character -*/ - -WRITE8_MEMBER(apexc_state::tape_write) -{ - m_tape_puncher->write(m_maincpu->space(AS_PROGRAM), 0, data); - teletyper_putchar(data & 0x1f); /* display on 'screen' */ -} - -/* - APEXC control panel - - I know really little about the details, although the big picture is obvious. - - Things I know : - * "As well as starting and stopping the machine, [it] enables information to be inserted - manually and provides for the inspection of the contents of the memory via various - storage registers." (Booth, p. 2) - * "Data can be inserted manually from the control panel [into the control register]". - (Booth, p. 3) - * The contents of the R register can be edited, too. A button allows to clear - a complete X (or Y ???) field. (forgot the reference, but must be somewhere in Booth) - * There is no trace mode (Booth, p. 213) - - Since the control panel is necessary for the operation of the APEXC, I tried to - implement a commonplace control panel. I cannot tell how close the feature set and - operation of this control panel is to the original APEXC control panel, but it - cannot be too different in the basic principles. -*/ - - -#if 0 -/* defines for input port numbers */ -enum -{ - panel_control = 0, - panel_edit1, - panel_edit2 -}; -#endif - - -/* defines for each bit and mask in input port panel_control */ -enum -{ - /* bit numbers */ - panel_run_bit = 0, - panel_CR_bit, - panel_A_bit, - panel_R_bit, - panel_HB_bit, - panel_ML_bit, - panel_mem_bit, - panel_write_bit, - - /* masks */ - panel_run = (1 << panel_run_bit), - panel_CR = (1 << panel_CR_bit), - panel_A = (1 << panel_A_bit), - panel_R = (1 << panel_R_bit), - panel_HB = (1 << panel_HB_bit), - panel_ML = (1 << panel_ML_bit), - panel_mem = (1 << panel_mem_bit), - panel_write = (1 << panel_write_bit) -}; - -/* fake input ports with keyboard keys */ -static INPUT_PORTS_START(apexc) - - PORT_START("panel") /* 0 : panel control */ - PORT_BIT(panel_run, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Run/Stop") PORT_CODE(KEYCODE_ENTER) - PORT_BIT(panel_CR, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Read CR") PORT_CODE(KEYCODE_1_PAD) - PORT_BIT(panel_A, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Read A") PORT_CODE(KEYCODE_2_PAD) - PORT_BIT(panel_R, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Read R") PORT_CODE(KEYCODE_3_PAD) - PORT_BIT(panel_HB, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Read HB") PORT_CODE(KEYCODE_4_PAD) - PORT_BIT(panel_ML, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Read ML") PORT_CODE(KEYCODE_5_PAD) - PORT_BIT(panel_mem, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Read mem") PORT_CODE(KEYCODE_6_PAD) - PORT_BIT(panel_write, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Write instead of read") PORT_CODE(KEYCODE_LSHIFT) - - PORT_START("data") /* data edit */ - PORT_BIT(0x80000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #1") PORT_CODE(KEYCODE_1) - PORT_BIT(0x40000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #2") PORT_CODE(KEYCODE_2) - PORT_BIT(0x20000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #3") PORT_CODE(KEYCODE_3) - PORT_BIT(0x10000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #4") PORT_CODE(KEYCODE_4) - PORT_BIT(0x08000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #5") PORT_CODE(KEYCODE_5) - PORT_BIT(0x04000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #6") PORT_CODE(KEYCODE_6) - PORT_BIT(0x02000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #7") PORT_CODE(KEYCODE_7) - PORT_BIT(0x01000000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #8") PORT_CODE(KEYCODE_8) - PORT_BIT(0x00800000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #9") PORT_CODE(KEYCODE_9) - PORT_BIT(0x00400000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #10") PORT_CODE(KEYCODE_0) - PORT_BIT(0x00200000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #11") PORT_CODE(KEYCODE_Q) - PORT_BIT(0x00100000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #12") PORT_CODE(KEYCODE_W) - PORT_BIT(0x00080000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #13") PORT_CODE(KEYCODE_E) - PORT_BIT(0x00040000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #14") PORT_CODE(KEYCODE_R) - PORT_BIT(0x00020000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #15") PORT_CODE(KEYCODE_T) - PORT_BIT(0x00010000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #16") PORT_CODE(KEYCODE_Y) - - PORT_BIT(0x00008000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #17") PORT_CODE(KEYCODE_U) - PORT_BIT(0x00004000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #18") PORT_CODE(KEYCODE_I) - PORT_BIT(0x00002000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #19") PORT_CODE(KEYCODE_O) - PORT_BIT(0x00001000, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #20") PORT_CODE(KEYCODE_OPENBRACE) - PORT_BIT(0x00000800, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #21") PORT_CODE(KEYCODE_A) - PORT_BIT(0x00000400, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #22") PORT_CODE(KEYCODE_S) - PORT_BIT(0x00000200, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #23") PORT_CODE(KEYCODE_D) - PORT_BIT(0x00000100, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #24") PORT_CODE(KEYCODE_F) - PORT_BIT(0x00000080, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #25") PORT_CODE(KEYCODE_G) - PORT_BIT(0x00000040, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #26") PORT_CODE(KEYCODE_H) - PORT_BIT(0x00000020, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #27") PORT_CODE(KEYCODE_J) - PORT_BIT(0x00000010, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #28") PORT_CODE(KEYCODE_K) - PORT_BIT(0x00000008, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #29") PORT_CODE(KEYCODE_L) - PORT_BIT(0x00000004, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #30") PORT_CODE(KEYCODE_Z) - PORT_BIT(0x00000002, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #31") PORT_CODE(KEYCODE_X) - PORT_BIT(0x00000001, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Toggle bit #32") PORT_CODE(KEYCODE_C) -INPUT_PORTS_END - -void apexc_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) -{ - if (id == TIMER_POLL_INPUTS) - { - check_inputs(); - } -} - -void apexc_state::check_inputs() -{ - /* read new state of edit keys */ - uint32_t edit_keys = m_data_port->read(); - - /* toggle data reg according to transitions */ - m_panel_data_reg ^= edit_keys & (~m_old_edit_keys); - - /* remember new state of edit keys */ - m_old_edit_keys = edit_keys; - - /* read new state of control keys */ - int control_keys = m_panel_port->read(); - - /* compute transitions */ - int control_transitions = control_keys & (~m_old_control_keys); - - /* process commands */ - - if (control_transitions & panel_run) - { /* toggle run/stop state */ - m_maincpu->set_state_int(APEXC_STATE, ! m_maincpu->state_int(APEXC_STATE)); - } - - while (control_transitions & (panel_CR | panel_A | panel_R | panel_ML | panel_HB)) - { /* read/write a register */ - /* note that we must take into account the possibility of simulteanous keypresses - (which would be a goofy thing to do when reading, but a normal one when writing, - if the user wants to clear several registers at once) */ - printf("crarmlhb\n"); - int reg_id = -1; - - /* determinate value of reg_id */ - if (control_transitions & panel_CR) - { /* CR register selected ? */ - control_transitions &= ~panel_CR; /* clear so that it is ignored on next iteration */ - reg_id = APEXC_CR; /* matching register ID */ - } - else if (control_transitions & panel_A) - { - control_transitions &= ~panel_A; - reg_id = APEXC_A; - } - else if (control_transitions & panel_R) - { - control_transitions &= ~panel_R; - reg_id = APEXC_R; - } - else if (control_transitions & panel_HB) - { - control_transitions &= ~panel_HB; - reg_id = APEXC_WS; - } - else if (control_transitions & panel_ML) - { - control_transitions &= ~panel_ML; - reg_id = APEXC_ML; - } - - if (-1 != reg_id) - { - /* read/write register #reg_id */ - if (control_keys & panel_write) - /* write reg */ - m_maincpu->set_state_int(reg_id, m_panel_data_reg); - else - /* read reg */ - m_panel_data_reg = m_maincpu->state_int(reg_id); - } - } - - if (control_transitions & panel_mem) - { /* read/write memory */ - if (control_keys & panel_write) /* write memory */ - m_maincpu->space(AS_PROGRAM).write_dword(m_maincpu->pc(), m_panel_data_reg); - else /* read memory */ - m_panel_data_reg = m_maincpu->space(AS_PROGRAM).read_dword(m_maincpu->pc()); - } - - /* remember new state of control keys */ - m_old_control_keys = control_keys; -} - -enum -{ - apexc_charnum = /*96+4*/128, /* ASCII set + 4 special characters */ - /* for whatever reason, 96+4 breaks greek characters */ - - apexcfontdata_size = 8 * apexc_charnum -}; - -/* apexc driver init : builds a font for use by the teletyper */ -void apexc_state::init_apexc() -{ - static const unsigned char fontdata6x8[apexcfontdata_size] = - { /* ASCII characters */ - 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x00,0x20,0x00, - 0x50,0x50,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x50,0xf8,0x50,0xf8,0x50,0x00,0x00, - 0x20,0x70,0xc0,0x70,0x18,0xf0,0x20,0x00,0x40,0xa4,0x48,0x10,0x20,0x48,0x94,0x08, - 0x60,0x90,0xa0,0x40,0xa8,0x90,0x68,0x00,0x10,0x20,0x40,0x00,0x00,0x00,0x00,0x00, - 0x20,0x40,0x40,0x40,0x40,0x40,0x20,0x00,0x10,0x08,0x08,0x08,0x08,0x08,0x10,0x00, - - 0x20,0xa8,0x70,0xf8,0x70,0xa8,0x20,0x00,0x00,0x20,0x20,0xf8,0x20,0x20,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x60,0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00, - 0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00, - 0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00,0x10,0x30,0x10,0x10,0x10,0x10,0x10,0x00, - 0x70,0x88,0x08,0x10,0x20,0x40,0xf8,0x00,0x70,0x88,0x08,0x30,0x08,0x88,0x70,0x00, - 0x10,0x30,0x50,0x90,0xf8,0x10,0x10,0x00,0xf8,0x80,0xf0,0x08,0x08,0x88,0x70,0x00, - 0x70,0x80,0xf0,0x88,0x88,0x88,0x70,0x00,0xf8,0x08,0x08,0x10,0x20,0x20,0x20,0x00, - 0x70,0x88,0x88,0x70,0x88,0x88,0x70,0x00,0x70,0x88,0x88,0x88,0x78,0x08,0x70,0x00, - 0x00,0x00,0x30,0x30,0x00,0x30,0x30,0x00,0x00,0x00,0x30,0x30,0x00,0x30,0x30,0x60, - 0x10,0x20,0x40,0x80,0x40,0x20,0x10,0x00,0x00,0x00,0xf8,0x00,0xf8,0x00,0x00,0x00, - 0x40,0x20,0x10,0x08,0x10,0x20,0x40,0x00,0x70,0x88,0x08,0x10,0x20,0x00,0x20,0x00, - 0x70,0x88,0xb8,0xa8,0xb8,0x80,0x70,0x00,0x70,0x88,0x88,0xf8,0x88,0x88,0x88,0x00, - 0xf0,0x88,0x88,0xf0,0x88,0x88,0xf0,0x00,0x70,0x88,0x80,0x80,0x80,0x88,0x70,0x00, - 0xf0,0x88,0x88,0x88,0x88,0x88,0xf0,0x00,0xf8,0x80,0x80,0xf0,0x80,0x80,0xf8,0x00, - 0xf8,0x80,0x80,0xf0,0x80,0x80,0x80,0x00,0x70,0x88,0x80,0x98,0x88,0x88,0x70,0x00, - 0x88,0x88,0x88,0xf8,0x88,0x88,0x88,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00, - 0x08,0x08,0x08,0x08,0x88,0x88,0x70,0x00,0x88,0x90,0xa0,0xc0,0xa0,0x90,0x88,0x00, - 0x80,0x80,0x80,0x80,0x80,0x80,0xf8,0x00,0x88,0xd8,0xa8,0x88,0x88,0x88,0x88,0x00, - 0x88,0xc8,0xa8,0x98,0x88,0x88,0x88,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x00, - 0xf0,0x88,0x88,0xf0,0x80,0x80,0x80,0x00,0x70,0x88,0x88,0x88,0x88,0x88,0x70,0x08, - 0xf0,0x88,0x88,0xf0,0x88,0x88,0x88,0x00,0x70,0x88,0x80,0x70,0x08,0x88,0x70,0x00, - 0xf8,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x00, - 0x88,0x88,0x88,0x88,0x88,0x50,0x20,0x00,0x88,0x88,0x88,0x88,0xa8,0xd8,0x88,0x00, - 0x88,0x50,0x20,0x20,0x20,0x50,0x88,0x00,0x88,0x88,0x88,0x50,0x20,0x20,0x20,0x00, - 0xf8,0x08,0x10,0x20,0x40,0x80,0xf8,0x00,0x30,0x20,0x20,0x20,0x20,0x20,0x30,0x00, - 0x40,0x40,0x20,0x20,0x10,0x10,0x08,0x08,0x30,0x10,0x10,0x10,0x10,0x10,0x30,0x00, - 0x20,0x50,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xfc, - 0x40,0x20,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x08,0x78,0x88,0x78,0x00, - 0x80,0x80,0xf0,0x88,0x88,0x88,0xf0,0x00,0x00,0x00,0x70,0x88,0x80,0x80,0x78,0x00, - 0x08,0x08,0x78,0x88,0x88,0x88,0x78,0x00,0x00,0x00,0x70,0x88,0xf8,0x80,0x78,0x00, - 0x18,0x20,0x70,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x78,0x88,0x88,0x78,0x08,0x70, - 0x80,0x80,0xf0,0x88,0x88,0x88,0x88,0x00,0x20,0x00,0x20,0x20,0x20,0x20,0x20,0x00, - 0x20,0x00,0x20,0x20,0x20,0x20,0x20,0xc0,0x80,0x80,0x90,0xa0,0xe0,0x90,0x88,0x00, - 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0xf0,0xa8,0xa8,0xa8,0xa8,0x00, - 0x00,0x00,0xb0,0xc8,0x88,0x88,0x88,0x00,0x00,0x00,0x70,0x88,0x88,0x88,0x70,0x00, - 0x00,0x00,0xf0,0x88,0x88,0xf0,0x80,0x80,0x00,0x00,0x78,0x88,0x88,0x78,0x08,0x08, - 0x00,0x00,0xb0,0xc8,0x80,0x80,0x80,0x00,0x00,0x00,0x78,0x80,0x70,0x08,0xf0,0x00, - 0x20,0x20,0x70,0x20,0x20,0x20,0x18,0x00,0x00,0x00,0x88,0x88,0x88,0x98,0x68,0x00, - 0x00,0x00,0x88,0x88,0x88,0x50,0x20,0x00,0x00,0x00,0xa8,0xa8,0xa8,0xa8,0x50,0x00, - 0x00,0x00,0x88,0x50,0x20,0x50,0x88,0x00,0x00,0x00,0x88,0x88,0x88,0x78,0x08,0x70, - 0x00,0x00,0xf8,0x10,0x20,0x40,0xf8,0x00,0x08,0x10,0x10,0x20,0x10,0x10,0x08,0x00, - 0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x40,0x20,0x20,0x10,0x20,0x20,0x40,0x00, - 0x00,0x68,0xb0,0x00,0x00,0x00,0x00,0x00,0x20,0x50,0x20,0x50,0xa8,0x50,0x00,0x00, - - /* theta */ - 0x70, - 0x88, - 0x88, - 0xF8, - 0x88, - 0x88, - 0x70, - 0x00, - - /* Sigma */ - 0xf8, - 0x40, - 0x20, - 0x10, - 0x20, - 0x40, - 0xf8, - 0x00, - - /* Phi */ - 0x20, - 0x70, - 0xA8, - 0xA8, - 0xA8, - 0xA8, - 0x70, - 0x20, - - /* pi */ - 0x00, - 0x00, - 0xF8, - 0x50, - 0x50, - 0x50, - 0x50, - 0x00 - }; - - memcpy(m_chargen_region->base(), fontdata6x8, apexcfontdata_size); -} - -static const gfx_layout fontlayout = -{ - 6, 8, /* 6*8 characters */ - apexc_charnum, /* 96+4 characters */ - 1, /* 1 bit per pixel */ - { 0 }, - { 0, 1, 2, 3, 4, 5, 6, 7 }, /* straightforward layout */ - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, - 8*8 /* every char takes 8 consecutive bytes */ -}; - -static GFXDECODE_START( gfx_apexc ) - GFXDECODE_ENTRY( "chargen", 0, fontlayout, 0, 2 ) -GFXDECODE_END - - -void apexc_state::mem(address_map &map) -{ - map(0x0000, 0x0fff).ram().share("maincpu"); - map(0x1000, 0x7fff).noprw(); -} - -void apexc_state::apexc(machine_config &config) -{ - /* basic machine hardware */ - /* APEXC CPU @ 2.0 kHz (memory word clock frequency) */ - APEXC(config, m_maincpu, 2000); - m_maincpu->set_addrmap(AS_PROGRAM, &apexc_state::mem); - m_maincpu->tape_read().set(m_tape_reader, FUNC(apexc_tape_reader_image_device::read)); - m_maincpu->tape_punch().set(FUNC(apexc_state::tape_write)); - - /* video hardware does not exist, but we display a control panel and the typewriter output */ - 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(256, 192); - m_screen->set_visarea(0, 256-1, 0, 192-1); - m_screen->set_palette(m_palette); - m_screen->set_screen_update(FUNC(apexc_state::screen_update_apexc)); - - GFXDECODE(config, m_gfxdecode, m_palette, gfx_apexc); - - PALETTE(config, m_palette, FUNC(apexc_state::apexc_palette), ARRAY_LENGTH(palette_table)); - - APEXC_CYLINDER(config, m_cylinder); - APEXC_TAPE_PUNCHER(config, m_tape_puncher); - APEXC_TAPE_READER(config, m_tape_reader); -} - -ROM_START(apexc) - /*CPU memory space*/ - /* Note this computer has no ROM... */ - - ROM_REGION(apexcfontdata_size, "chargen", ROMREGION_ERASEFF) - /* space filled with our font */ -ROM_END - -// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME */ -//COMP( 1951, apexc53, 0, 0, apexc53, apexc, apexc_state, init_apexc, "Andrew Donald Booth", "All Purpose Electronic X-ray Computer (as described in 1953)" , MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW) -COMP( 1955, apexc, 0, 0, apexc, apexc, apexc_state, init_apexc, "Andrew Donald Booth", "All Purpose Electronic X-ray Computer (as described in 1957)" , MACHINE_NO_SOUND_HW) |