// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic, Robbbert /*************************************************************************** SAPI-1 driver by Miodrag Milanovic 2008-09-09 Preliminary driver. 2010-12-07 Added some code to allow sapizps3 to read its rom. With no available docs, the i/o ports are a guess. The ram allocation is based on the actions of the various bios roms. Port 25 is used as a jump vector. in a,(25); ld l,a; jp(hl). 2012-04-19 Connected sapizps3 to a terminal. It is trying to load a 128-byte boot sector from a floppy disk. Modernised driver. Connected sapizps2 to ascii keyboard. System is now usable. According to wikipedia, sapi1 & 2 have cassette facility, while sapi3 uses 8 inch floppy disk. ToDo: - Add cassette to sapi1 and 2 -- UART on port 12, save and load bytes -- port 11 bit 7 for load, chr available -- port 11 bit 6 for save, tx buffer empty - sapi3 is trying to read a disk, so there is no response after showing the logo Unable to proceed due to no info available (& in English). ****************************************************************************/ #include "emu.h" #include "cpu/i8085/i8085.h" #include "cpu/z80/z80.h" #include "video/mc6845.h" #include "machine/ram.h" #include "machine/keyboard.h" #include "machine/terminal.h" #define TERMINAL_TAG "terminal" #define KEYBOARD_TAG "keyboard" class sapi1_state : public driver_device { public: sapi1_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_p_videoram(*this, "videoram"), m_bank1(*this, "bank1"), m_line0(*this, "LINE0"), m_line1(*this, "LINE1"), m_line2(*this, "LINE2"), m_line3(*this, "LINE3"), m_line4(*this, "LINE4"), m_maincpu(*this, "maincpu"), m_palette(*this, "palette") { } optional_shared_ptr m_p_videoram; DECLARE_READ8_MEMBER(sapi1_keyboard_r); DECLARE_WRITE8_MEMBER(sapi1_keyboard_w); DECLARE_READ8_MEMBER(sapi2_keyboard_status_r); DECLARE_READ8_MEMBER(sapi2_keyboard_data_r); DECLARE_READ8_MEMBER(sapi3_0c_r); DECLARE_WRITE8_MEMBER(sapi3_00_w); DECLARE_READ8_MEMBER(sapi3_25_r); DECLARE_WRITE8_MEMBER(sapi3_25_w); DECLARE_WRITE8_MEMBER(kbd_put); DECLARE_DRIVER_INIT(sapizps3); DECLARE_DRIVER_INIT(sapizps3a); DECLARE_DRIVER_INIT(sapizps3b); DECLARE_MACHINE_RESET(sapi1); DECLARE_MACHINE_RESET(sapizps3); MC6845_UPDATE_ROW(crtc_update_row); UINT32 screen_update_sapi1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT32 screen_update_sapi3(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); private: UINT8 m_term_data; UINT8 m_keyboard_mask; UINT8 m_refresh_counter; UINT8 m_zps3_25; optional_memory_bank m_bank1; // Only for sapi3 required_ioport m_line0; required_ioport m_line1; required_ioport m_line2; required_ioport m_line3; required_ioport m_line4; required_device m_maincpu; public: optional_device m_palette; }; static const UINT8 MHB2501[] = { 0x0c,0x11,0x13,0x15,0x17,0x10,0x0e,0x00, // @ 0x04,0x0a,0x11,0x11,0x1f,0x11,0x11,0x00, // A 0x1e,0x11,0x11,0x1e,0x11,0x11,0x1e,0x00, // B 0x0e,0x11,0x10,0x10,0x10,0x11,0x0e,0x00, // C 0x1e,0x09,0x09,0x09,0x09,0x09,0x1e,0x00, // D 0x1f,0x10,0x10,0x1e,0x10,0x10,0x1f,0x00, // E 0x1f,0x10,0x10,0x1e,0x10,0x10,0x10,0x00, // F 0x0e,0x11,0x10,0x10,0x13,0x11,0x0f,0x00, // G 0x11,0x11,0x11,0x1f,0x11,0x11,0x11,0x00, // H 0x0e,0x04,0x04,0x04,0x04,0x04,0x0e,0x00, // I 0x01,0x01,0x01,0x01,0x11,0x11,0x0e,0x00, // J 0x11,0x12,0x14,0x18,0x14,0x12,0x11,0x00, // K 0x10,0x10,0x10,0x10,0x10,0x10,0x1f,0x00, // L 0x11,0x1b,0x15,0x15,0x11,0x11,0x11,0x00, // M 0x11,0x11,0x19,0x15,0x13,0x11,0x11,0x00, // N 0x0e,0x11,0x11,0x11,0x11,0x11,0x0e,0x00, // O 0x1e,0x11,0x11,0x1e,0x10,0x10,0x10,0x00, // P 0x0e,0x11,0x11,0x11,0x15,0x12,0x0d,0x00, // Q 0x1e,0x11,0x11,0x1e,0x14,0x12,0x11,0x00, // R 0x0e,0x11,0x10,0x0e,0x01,0x11,0x0e,0x00, // S 0x1f,0x04,0x04,0x04,0x04,0x04,0x04,0x00, // T 0x11,0x11,0x11,0x11,0x11,0x11,0x0e,0x00, // U 0x11,0x11,0x11,0x0a,0x0a,0x04,0x04,0x00, // V 0x11,0x11,0x11,0x15,0x15,0x15,0x0a,0x00, // W 0x11,0x11,0x0a,0x04,0x0a,0x11,0x11,0x00, // X 0x11,0x11,0x0a,0x04,0x04,0x04,0x04,0x00, // Y 0x1f,0x01,0x02,0x04,0x08,0x10,0x1f,0x00, // Z 0x1c,0x10,0x10,0x10,0x10,0x10,0x1c,0x00, // [ 0x00,0x10,0x08,0x04,0x02,0x01,0x00,0x00, // backslash 0x07,0x01,0x01,0x01,0x01,0x01,0x07,0x00, // ] 0x0e,0x11,0x00,0x00,0x00,0x00,0x00,0x00, // ^ 0x00,0x00,0x00,0x00,0x00,0x00,0x1f,0x00, // _ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // 0x04,0x04,0x04,0x04,0x04,0x00,0x04,0x00, // ! 0x0a,0x0a,0x0a,0x00,0x00,0x00,0x00,0x00, // " 0x0a,0x0a,0x1f,0x0a,0x1f,0x0a,0x0a,0x00, // # 0x00,0x11,0x0e,0x0a,0x0e,0x11,0x00,0x00, // 0x18,0x19,0x02,0x04,0x08,0x13,0x03,0x00, // % 0x04,0x0a,0x0a,0x0c,0x15,0x12,0x0d,0x00, // & 0x04,0x04,0x08,0x00,0x00,0x00,0x00,0x00, // ' 0x02,0x04,0x08,0x08,0x08,0x04,0x02,0x00, // ( 0x08,0x04,0x02,0x02,0x02,0x04,0x08,0x00, // ) 0x00,0x04,0x15,0x0e,0x15,0x04,0x00,0x00, // * 0x00,0x04,0x04,0x1f,0x04,0x04,0x00,0x00, // + 0x00,0x00,0x00,0x00,0x08,0x08,0x10,0x00, // , 0x00,0x00,0x00,0x1f,0x00,0x00,0x00,0x00, // - 0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00, // . 0x00,0x01,0x02,0x04,0x08,0x10,0x00,0x00, // / 0x0e,0x11,0x13,0x15,0x19,0x11,0x0e,0x00, // 0 0x04,0x0c,0x04,0x04,0x04,0x04,0x0e,0x00, // 1 0x0e,0x11,0x01,0x06,0x08,0x10,0x1f,0x00, // 2 0x1f,0x01,0x02,0x06,0x01,0x11,0x0e,0x00, // 3 0x02,0x06,0x0a,0x12,0x1f,0x02,0x02,0x00, // 4 0x1f,0x10,0x1e,0x01,0x01,0x11,0x0e,0x00, // 5 0x07,0x08,0x10,0x1e,0x11,0x11,0x0e,0x00, // 6 0x1f,0x01,0x02,0x04,0x08,0x08,0x08,0x00, // 7 0x0e,0x11,0x11,0x0e,0x11,0x11,0x0e,0x00, // 8 0x0e,0x11,0x11,0x0f,0x01,0x02,0x1c,0x00, // 9 0x00,0x00,0x00,0x00,0x08,0x00,0x08,0x00, // : 0x00,0x00,0x04,0x00,0x04,0x04,0x08,0x00, // ; 0x02,0x04,0x08,0x10,0x08,0x04,0x02,0x00, // < 0x00,0x00,0x1f,0x00,0x1f,0x00,0x00,0x00, // = 0x08,0x04,0x02,0x01,0x02,0x04,0x08,0x00, // > 0x0e,0x11,0x01,0x02,0x04,0x00,0x04,0x00 // ? }; /* Address maps */ static ADDRESS_MAP_START(sapi1_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1000, 0x1fff) AM_ROM // Extension ROM AM_RANGE(0x2000, 0x23ff) AM_RAM AM_RANGE(0x2400, 0x27ff) AM_READWRITE(sapi1_keyboard_r, sapi1_keyboard_w) // PORT 0 - keyboard //AM_RANGE(0x2800, 0x2bff) AM_NOP // PORT 1 //AM_RANGE(0x2c00, 0x2fff) AM_NOP // PORT 2 //AM_RANGE(0x3000, 0x33ff) AM_NOP // 3214 AM_RANGE(0x3800, 0x3fff) AM_RAM AM_SHARE("videoram") // AND-1 (video RAM) AM_RANGE(0x4000, 0x7fff) AM_RAM // REM-1 ADDRESS_MAP_END static ADDRESS_MAP_START(sapi2_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x0fff) AM_ROM AM_RANGE(0x1000, 0x1fff) AM_ROM // Extension ROM AM_RANGE(0x2000, 0x23ff) AM_RAM AM_RANGE(0x2400, 0x27ff) AM_READ(sapi2_keyboard_status_r) AM_RANGE(0x2800, 0x28ff) AM_READ(sapi2_keyboard_data_r) AM_RANGE(0x3800, 0x3fff) AM_RAM AM_SHARE("videoram") // AND-1 (video RAM) AM_RANGE(0x4000, 0x7fff) AM_RAM // REM-1 ADDRESS_MAP_END static ADDRESS_MAP_START(sapi3_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x07ff) AM_RAM AM_RAMBANK("bank1") AM_RANGE(0x0800, 0xf7ff) AM_RAM AM_RANGE(0xf800, 0xffff) AM_RAM AM_SHARE("videoram") ADDRESS_MAP_END static ADDRESS_MAP_START(sapi3a_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x07ff) AM_RAM AM_RAMBANK("bank1") AM_RANGE(0x0800, 0xf7ff) AM_RAM AM_RANGE(0xf800, 0xfdff) AM_ROM AM_RANGE(0xfe00, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START(sapi3b_mem, AS_PROGRAM, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH AM_RANGE(0x0000, 0x07ff) AM_RAM AM_RAMBANK("bank1") AM_RANGE(0x0800, 0xafff) AM_RAM AM_RANGE(0xb000, 0xb7ff) AM_RAM AM_SHARE("videoram") AM_RANGE(0xb800, 0xffff) AM_RAM ADDRESS_MAP_END static ADDRESS_MAP_START( sapi3_io, AS_IO, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(sapi3_00_w) AM_RANGE(0x25, 0x25) AM_READWRITE(sapi3_25_r,sapi3_25_w) ADDRESS_MAP_END static ADDRESS_MAP_START( sapi3a_io, AS_IO, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(sapi3_00_w) AM_RANGE(0x12, 0x12) AM_READ(sapi2_keyboard_data_r) AM_DEVWRITE(TERMINAL_TAG, generic_terminal_device, write) AM_RANGE(0x25, 0x25) AM_READWRITE(sapi3_25_r,sapi3_25_w) ADDRESS_MAP_END static ADDRESS_MAP_START( sapi3b_io, AS_IO, 8, sapi1_state ) ADDRESS_MAP_UNMAP_HIGH ADDRESS_MAP_GLOBAL_MASK(0xff) AM_RANGE(0x00, 0x00) AM_WRITE(sapi3_00_w) AM_RANGE(0x0c, 0x0c) AM_READ(sapi3_0c_r) AM_RANGE(0x25, 0x25) AM_READWRITE(sapi3_25_r,sapi3_25_w) AM_RANGE(0xe0, 0xe0) AM_DEVREADWRITE("crtc", mc6845_device, status_r, address_w) AM_RANGE(0xe1, 0xe1) AM_DEVREADWRITE("crtc", mc6845_device, register_r, register_w) ADDRESS_MAP_END /* Input ports */ static INPUT_PORTS_START( sapi1 ) PORT_START("LINE0") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHAR('~') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR(';') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('+') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR('/') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHAR('\'') PORT_START("LINE1") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHAR('\xA4') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR(',') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('-') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR(':') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHAR('<') PORT_START("LINE2") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHAR('"') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR('.') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR('*') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('@') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHAR('>') PORT_START("LINE3") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHAR('?') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ') PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('=') PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('#') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHAR('(') PORT_START("LINE4") PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Shift") PORT_CODE(KEYCODE_LSHIFT) PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1) PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHAR('!') PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_NAME("Del") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8) PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR(13) PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHAR(')') INPUT_PORTS_END /************************************** Video **************************************/ UINT32 sapi1_state::screen_update_sapi1(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { bool val; UINT16 addr,xpos; UINT8 chr,attr,ra,x,y,b; for(y = 0; y < 24; y++ ) { addr = y*64; xpos = 0; for(x = 0; x < 40; x++ ) { chr = m_p_videoram[addr + x]; attr = (chr >> 6) & 3; chr &= 0x3f; for(ra = 0; ra < 9; ra++ ) { for(b = 0; b < 6; b++ ) { val = 0; if (ra==8) { if (attr==2) val = BIT(m_refresh_counter, 5); } else { val = BIT(MHB2501[(chr<<3) | ra], 5-b); if (attr==1) val = BIT(m_refresh_counter, 5) ? val : 0; } if(attr==3) { bitmap.pix16(y*9+ra, xpos+2*b ) = val; bitmap.pix16(y*9+ra, xpos+2*b+1 ) = val; } else { bitmap.pix16(y*9+ra, xpos+b ) = val; } } } xpos+= (attr==3) ? 12 : 6; if (xpos>=6*40) break; } } m_refresh_counter++; return 0; } // The attributes seem to be different on this one, they need to be understood, so disabled for now UINT32 sapi1_state::screen_update_sapi3(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { bool val; UINT16 addr,xpos; UINT8 chr,attr,ra,x,y,b; for(y = 0; y < 20; y++ ) { addr = y*64; xpos = 0; for(x = 0; x < 40; x++ ) { chr = m_p_videoram[addr + x]; attr = 0;//(chr >> 6) & 3; if (chr > 0x3f) chr &= 0x1f; for(ra = 0; ra < 9; ra++ ) { for(b = 0; b < 6; b++ ) { val = 0; if (ra==8) { if (attr==2) val = BIT(m_refresh_counter, 5); } else { val = BIT(MHB2501[(chr<<3) | ra], 5-b); if (attr==1) val = BIT(m_refresh_counter, 5) ? val : 0; } if(attr==3) { bitmap.pix16(y*9+ra, xpos+2*b ) = val; bitmap.pix16(y*9+ra, xpos+2*b+1 ) = val; } else { bitmap.pix16(y*9+ra, xpos+b ) = val; } } } xpos+= (attr==3) ? 12 : 6; if (xpos>=6*40) break; } } m_refresh_counter++; return 0; } MC6845_UPDATE_ROW( sapi1_state::crtc_update_row ) { const rgb_t *palette = m_palette->palette()->entry_list_raw(); UINT8 chr,gfx,inv; UINT16 mem,x; UINT32 *p = &bitmap.pix32(y); for (x = 0; x < x_count; x++) { inv = gfx = 0; if (x == cursor_x) inv ^= 0xff; mem = (2*(ma + x)) & 0xfff; chr = m_p_videoram[mem] & 0x3f; if (ra < 8) gfx = MHB2501[(chr<<3) | ra] ^ inv; /* Display a scanline of a character */ *p++ = palette[BIT(gfx, 5)]; *p++ = palette[BIT(gfx, 4)]; *p++ = palette[BIT(gfx, 3)]; *p++ = palette[BIT(gfx, 2)]; *p++ = palette[BIT(gfx, 1)]; *p++ = palette[BIT(gfx, 0)]; } } /************************************** Keyboard **************************************/ READ8_MEMBER( sapi1_state::sapi1_keyboard_r ) { UINT8 key = 0xff; if (BIT(m_keyboard_mask, 0)) { key &= m_line0->read(); } if (BIT(m_keyboard_mask, 1)) { key &= m_line1->read(); } if (BIT(m_keyboard_mask, 2)) { key &= m_line2->read(); } if (BIT(m_keyboard_mask, 3)) { key &= m_line3->read(); } if (BIT(m_keyboard_mask, 4)) { key &= m_line4->read(); } return key; } WRITE8_MEMBER( sapi1_state::sapi1_keyboard_w ) { m_keyboard_mask = (data ^ 0xff ) & 0x1f; } READ8_MEMBER( sapi1_state::sapi2_keyboard_status_r) { return (m_term_data) ? 0 : 1; } READ8_MEMBER( sapi1_state::sapi2_keyboard_data_r) { UINT8 ret = ~m_term_data; m_term_data = 0; return ret; } WRITE8_MEMBER( sapi1_state::kbd_put ) { m_term_data = data; } /************************************** Machine **************************************/ READ8_MEMBER( sapi1_state::sapi3_0c_r ) { return 0xc0; } /* switch out the rom shadow */ WRITE8_MEMBER( sapi1_state::sapi3_00_w ) { m_bank1->set_entry(0); } /* to stop execution in random ram */ READ8_MEMBER( sapi1_state::sapi3_25_r ) { return m_zps3_25; } WRITE8_MEMBER( sapi1_state::sapi3_25_w ) { m_zps3_25 = data & 0xfc; //?? } MACHINE_RESET_MEMBER( sapi1_state, sapi1 ) { m_keyboard_mask = 0; m_refresh_counter = 0x20; } MACHINE_RESET_MEMBER( sapi1_state, sapizps3 ) { m_keyboard_mask = 0; m_bank1->set_entry(1); } DRIVER_INIT_MEMBER( sapi1_state, sapizps3 ) { UINT8 *RAM = memregion("maincpu")->base(); m_bank1->configure_entries(0, 2, &RAM[0x0000], 0x10000); } DRIVER_INIT_MEMBER( sapi1_state, sapizps3a ) { UINT8 *RAM = memregion("maincpu")->base(); m_bank1->configure_entries(0, 2, &RAM[0x0000], 0xf800); } DRIVER_INIT_MEMBER( sapi1_state, sapizps3b ) { UINT8 *RAM = memregion("maincpu")->base(); m_bank1->configure_entries(0, 2, &RAM[0x0000], 0x10000); } /* Machine driver */ static MACHINE_CONFIG_START( sapi1, sapi1_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", I8080, 2000000) MCFG_CPU_PROGRAM_MAP(sapi1_mem) MCFG_MACHINE_RESET_OVERRIDE(sapi1_state, sapi1) /* video hardware */ MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(50) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) /* not accurate */ MCFG_SCREEN_SIZE(40*6, 24*9) MCFG_SCREEN_VISIBLE_AREA(0, 40*6-1, 0, 24*9-1) MCFG_SCREEN_UPDATE_DRIVER(sapi1_state, screen_update_sapi1) MCFG_SCREEN_PALETTE("palette") MCFG_PALETTE_ADD_MONOCHROME("palette") /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( sapi2, sapi1 ) /* basic machine hardware */ MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(sapi2_mem) MCFG_DEVICE_ADD(KEYBOARD_TAG, GENERIC_KEYBOARD, 0) MCFG_GENERIC_KEYBOARD_CB(WRITE8(sapi1_state, kbd_put)) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( sapi3, sapi2 ) /* basic machine hardware */ MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(sapi3_mem) MCFG_CPU_IO_MAP(sapi3_io) MCFG_MACHINE_RESET_OVERRIDE(sapi1_state, sapizps3 ) MCFG_SCREEN_MODIFY("screen") MCFG_SCREEN_SIZE(40*6, 20*9) MCFG_SCREEN_VISIBLE_AREA(0, 40*6-1, 0, 20*9-1) MCFG_SCREEN_UPDATE_DRIVER(sapi1_state, screen_update_sapi3) MACHINE_CONFIG_END static MACHINE_CONFIG_DERIVED( sapi3b, sapi3 ) /* basic machine hardware */ MCFG_CPU_MODIFY("maincpu") MCFG_CPU_PROGRAM_MAP(sapi3b_mem) MCFG_CPU_IO_MAP(sapi3b_io) MCFG_MC6845_ADD("crtc", MC6845, "screen", 1008000) // guess MCFG_MC6845_SHOW_BORDER_AREA(false) MCFG_MC6845_CHAR_WIDTH(6) MCFG_MC6845_UPDATE_ROW_CB(sapi1_state, crtc_update_row) MCFG_SCREEN_MODIFY("screen") MCFG_SCREEN_UPDATE_DEVICE("crtc", mc6845_device, screen_update) MCFG_SCREEN_NO_PALETTE MACHINE_CONFIG_END static MACHINE_CONFIG_START( sapi3a, sapi1_state ) /* basic machine hardware */ MCFG_CPU_ADD("maincpu", Z80, 2000000) MCFG_CPU_PROGRAM_MAP(sapi3a_mem) MCFG_CPU_IO_MAP(sapi3a_io) MCFG_MACHINE_RESET_OVERRIDE(sapi1_state, sapizps3 ) /* video hardware */ MCFG_DEVICE_ADD(TERMINAL_TAG, GENERIC_TERMINAL, 0) MCFG_GENERIC_TERMINAL_KEYBOARD_CB(WRITE8(sapi1_state, kbd_put)) /* internal ram */ MCFG_RAM_ADD(RAM_TAG) MCFG_RAM_DEFAULT_SIZE("64K") MACHINE_CONFIG_END /************************************** Roms **************************************/ ROM_START( sapi1 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_SYSTEM_BIOS( 0, "mb1", "MB1" ) ROMX_LOAD( "sapi1.rom", 0x0000, 0x1000, CRC(c6e85b01) SHA1(2a26668249c6161aef7215a1e2b92bfdf6fe3671), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "mb2", "MB2 (ANK-1)" ) ROMX_LOAD( "mb2_4.bin", 0x0000, 0x1000, CRC(a040b3e0) SHA1(586990a07a96323741679a11ff54ad0023da87bc), ROM_BIOS(2)) ROM_END ROM_START( sapizps2 ) ROM_REGION( 0x10000, "maincpu", 0 ) ROM_SYSTEM_BIOS( 0, "v4", "MIKOS 4" ) ROMX_LOAD( "36.bin", 0x0000, 0x0800, CRC(a27f340a) SHA1(d07d208fcbe428897336c17197d3e8fb52181f38), ROM_BIOS(1)) ROMX_LOAD( "37.bin", 0x0800, 0x0800, CRC(30daa708) SHA1(66e990c40788ee25cf6cabd4842a78daf4fcdddd), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "v5", "MIKOS 5" ) ROMX_LOAD( "mikos5_1.bin", 0x0000, 0x0800, CRC(c2a83ca3) SHA1(a3678253d7690c89945e791ea0f8e15b081c9126), ROM_BIOS(2)) ROMX_LOAD( "mikos5_2.bin", 0x0800, 0x0800, CRC(c4458a04) SHA1(0cc909323f0e6507d95e57ea39e1deb8bd57bf89), ROM_BIOS(2)) ROMX_LOAD( "mikos5_3.bin", 0x1000, 0x0800, CRC(efb499f3) SHA1(78f0ca3ff10d7af4ae94ab820723296beb035f8f), ROM_BIOS(2)) ROMX_LOAD( "mikos5_4.bin", 0x1800, 0x0800, CRC(4d90e9be) SHA1(8ec554198697550a49432e8210d43700ef1d6a32), ROM_BIOS(2)) ROM_SYSTEM_BIOS( 2, "mb3", "MB3 (Consul)" ) ROMX_LOAD( "mb3_1.bin", 0x0000, 0x1000, CRC(be895f88) SHA1(7fc2a92f41d978a9f0ccd0e235ea3c6146adfb6f), ROM_BIOS(3)) ROM_END ROM_START( sapizps3 ) ROM_REGION( 0x10800, "maincpu", 0 ) // These 2 bioses use videoram at F800 ROM_SYSTEM_BIOS( 0, "per", "Perina" ) ROMX_LOAD( "perina_1988.bin",0x10000, 0x0800, CRC(d71e8d3a) SHA1(9b3a26ea7c2f2c8a1fb10b51c1c880acc9fd806d), ROM_BIOS(1)) ROM_SYSTEM_BIOS( 1, "1zmod", "JPR-1Zmod" ) ROMX_LOAD( "jpr1zmod.bin", 0x10000, 0x0800, CRC(69a29b07) SHA1(1cd31032954fcd7d10b1586be62db6f7597eb4f2), ROM_BIOS(2)) ROM_END ROM_START( sapizps3a ) ROM_REGION( 0x10000, "maincpu", 0 ) // This bios uses a terminal ROM_LOAD( "jpr1a.bin", 0xf800, 0x0800, CRC(3ed89786) SHA1(dcc8657b4884bfe58d114c539b733b73d038ee30)) ROM_END ROM_START( sapizps3b ) ROM_REGION( 0x10800, "maincpu", 0 ) // This bios uses a 6845 ROM_LOAD( "pkt1.bin", 0x10000, 0x0800, CRC(ed5a2725) SHA1(3383c15f87f976400b8d0f31829e2a95236c4b6c)) ROM_END /* Driver */ /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ COMP( 1985, sapi1, 0, 0, sapi1, sapi1, driver_device, 0, "Tesla", "SAPI-1 ZPS 1", MACHINE_NO_SOUND_HW) COMP( 1985, sapizps2, sapi1, 0, sapi2, sapi1, driver_device, 0, "Tesla", "SAPI-1 ZPS 2", MACHINE_NO_SOUND_HW) COMP( 1985, sapizps3, sapi1, 0, sapi3, sapi1, sapi1_state, sapizps3, "Tesla", "SAPI-1 ZPS 3", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW) COMP( 1985, sapizps3a,sapi1, 0, sapi3a, sapi1, sapi1_state, sapizps3a, "Tesla", "SAPI-1 ZPS 3 (terminal)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW) COMP( 1985, sapizps3b,sapi1, 0, sapi3b, sapi1, sapi1_state, sapizps3b, "Tesla", "SAPI-1 ZPS 3 (6845)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW)