// license:BSD-3-Clause // copyright-holders:R. Belmont /*************************************************************************** Hewlett-Packard HP16500a/b/c Logic Analyzer These are weird, the "a" has more in common with the older 1650/1651 than the 16500b. 16500a rev 00.00: MC68000 @ 10 MHz MC68A45 CRTC FDC9793 floppy controller (WD1793 type) TMS9914A GPIB bus interface SCN2661 EPCI IRQ1 = VBL, IRQ2 = 20b007, IRQ3 = ?, IRQ4 = 20d000, IRQ5 = 20d007, IRQ6 = ?, IRQ7 = ? 16500a rev 00.02: MC68000 @ 10 MHz MC68A45 CRTC Z0765A08PSC floppy controller (NEC765 type) TMS9914A GPIB bus interface SCN2661 EPCI 16500b: MC68EC030 @ 25 MHz WD37C65C floppy controller (NEC765 type) Bt475 video RAMDAC TMS9914A GPIB bus interface Dallas DS1286 RTC/CMOS RAM IRQ 1 = VBL IRQ 2 = 35b8 IRQ 3 = 35ce (jump 840120) IRQ 4 = 17768 IRQ 5 = 814a IRQ 6 = 35c8 (jump 840120) IRQ 7 = 35d4 (jump 840120) 16500c: Same as 16500b, but add: 53C720 SCSI controller DP83934 SONIC ethernet ****************************************************************************/ #include "emu.h" #include "cpu/m68000/m68000.h" #include "machine/ds1386.h" #include "machine/mc2661.h" #include "bus/hp_hil/hp_hil.h" #include "bus/hp_hil/hil_devices.h" #include "video/mc6845.h" #include "screen.h" #include "speaker.h" class hp16500_state : public driver_device { public: hp16500_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_maincpu(*this, "maincpu"), m_mlc(*this, "mlc") { } void hp16500b(machine_config &config); void hp16500a(machine_config &config); void hp1651(machine_config &config); void hp1650(machine_config &config); private: virtual void video_start() override; uint32_t screen_update_hp16500(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); uint32_t screen_update_hp16500a(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); required_device m_maincpu; optional_device m_mlc; std::vector m_vram; uint8_t m_mask, m_val; DECLARE_WRITE32_MEMBER(palette_w); DECLARE_WRITE16_MEMBER(vram_w); DECLARE_READ8_MEMBER (vram_r); DECLARE_WRITE8_MEMBER (mask_w); DECLARE_WRITE8_MEMBER (val_w); DECLARE_READ32_MEMBER(vbl_state_r); DECLARE_WRITE32_MEMBER(vbl_ack_w); DECLARE_READ16_MEMBER(vbl_ack16_r); DECLARE_WRITE16_MEMBER(vbl_ack16_w); DECLARE_WRITE8_MEMBER(pal_ctrl_w); DECLARE_WRITE8_MEMBER(pal_r_w); DECLARE_WRITE8_MEMBER(pal_g_w); DECLARE_WRITE8_MEMBER(pal_b_w); DECLARE_WRITE16_MEMBER(maskval_w); DECLARE_WRITE_LINE_MEMBER(irq_2); DECLARE_WRITE_LINE_MEMBER(vsync_changed); MC6845_UPDATE_ROW(crtc_update_row); MC6845_UPDATE_ROW(crtc_update_row_1650); void hp16500_map(address_map &map); void hp16500a_map(address_map &map); void hp1650_map(address_map &map); void hp1651_map(address_map &map); uint32_t m_palette[256], m_colors[3], m_count, m_clutoffs; }; READ32_MEMBER(hp16500_state::vbl_state_r) { return 0x03000000; // bit 0 set means the interrupt handler advances the pSOS tick counter. } WRITE32_MEMBER(hp16500_state::vbl_ack_w) { m_maincpu->set_input_line(M68K_IRQ_1, CLEAR_LINE); } READ16_MEMBER(hp16500_state::vbl_ack16_r) { m_maincpu->set_input_line(M68K_IRQ_1, CLEAR_LINE); return 0; } WRITE16_MEMBER(hp16500_state::vbl_ack16_w) { m_maincpu->set_input_line(M68K_IRQ_1, CLEAR_LINE); } WRITE_LINE_MEMBER( hp16500_state::vsync_changed ) { if (state) { m_maincpu->set_input_line(M68K_IRQ_1, ASSERT_LINE); } } MC6845_UPDATE_ROW( hp16500_state::crtc_update_row ) { uint32_t *p = &bitmap.pix32(y); int i, pos; pos = y * 144; for (i = 0; i < x_count; i++) { *p++ = m_palette[m_vram[pos+0x00000]]; *p++ = m_palette[m_vram[pos+0x10000]]; *p++ = m_palette[m_vram[pos+0x20000]]; *p++ = m_palette[m_vram[pos+0x30000]]; pos++; *p++ = m_palette[m_vram[pos+0x00000]]; *p++ = m_palette[m_vram[pos+0x10000]]; *p++ = m_palette[m_vram[pos+0x20000]]; *p++ = m_palette[m_vram[pos+0x30000]]; pos++; } } MC6845_UPDATE_ROW( hp16500_state::crtc_update_row_1650 ) { uint32_t *p = &bitmap.pix32(y); int i, pos; pos = y * 148; for (i = 0; i < x_count; i++) { *p++ = m_palette[m_vram[pos+0x00000]]; *p++ = m_palette[m_vram[pos+0x10000]]; *p++ = m_palette[m_vram[pos+0x20000]]; *p++ = m_palette[m_vram[pos+0x30000]]; pos++; *p++ = m_palette[m_vram[pos+0x00000]]; *p++ = m_palette[m_vram[pos+0x10000]]; *p++ = m_palette[m_vram[pos+0x20000]]; *p++ = m_palette[m_vram[pos+0x30000]]; pos++; } } WRITE8_MEMBER(hp16500_state::pal_ctrl_w) { m_clutoffs = data & 0xf; } WRITE8_MEMBER(hp16500_state::pal_r_w) { m_colors[0] = (data<<4); m_palette[m_clutoffs] = rgb_t(m_colors[0], m_colors[1], m_colors[2]); } WRITE8_MEMBER(hp16500_state::pal_g_w) { m_colors[1] = (data<<4); m_palette[m_clutoffs] = rgb_t(m_colors[0], m_colors[1], m_colors[2]); } WRITE8_MEMBER(hp16500_state::pal_b_w) { m_colors[2] = (data<<4); m_palette[m_clutoffs] = rgb_t(m_colors[0], m_colors[1], m_colors[2]); } WRITE16_MEMBER(hp16500_state::maskval_w) { // by analogy with the string printer code from the 16500b, which // appears to be a direct port... m_val = ((data>>8) & 0xff) ^ 0xff; m_mask = (data & 0xff) ^ 0xff; } WRITE_LINE_MEMBER(hp16500_state::irq_2) { m_maincpu->set_input_line(M68K_IRQ_2, state); } void hp16500_state::hp1650_map(address_map &map) { map(0x000000, 0x00ffff).rom().region("bios", 0); map(0x201000, 0x201001).w(FUNC(hp16500_state::maskval_w)); map(0x204001, 0x204001).w(FUNC(hp16500_state::pal_ctrl_w)); map(0x205001, 0x205001).w(FUNC(hp16500_state::pal_r_w)); map(0x2050fe, 0x2050ff).noprw(); map(0x206000, 0x206001).nopr(); map(0x206001, 0x206001).w(FUNC(hp16500_state::pal_g_w)); map(0x207001, 0x207001).w(FUNC(hp16500_state::pal_b_w)); map(0x20a000, 0x20a007).rw("epci", FUNC(mc2661_device::read), FUNC(mc2661_device::write)).umask16(0x00ff); map(0x20c001, 0x20c001).rw("crtc", FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w)); map(0x20c003, 0x20c003).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); map(0x20e000, 0x20e001).rw(FUNC(hp16500_state::vbl_ack16_r), FUNC(hp16500_state::vbl_ack16_w)); map(0x20f000, 0x20f001).noprw(); map(0x600000, 0x61ffff).w(FUNC(hp16500_state::vram_w)); map(0x600000, 0x67ffff).r(FUNC(hp16500_state::vram_r)).umask16(0x00ff); map(0x900000, 0x9fffff).ram(); } // like 1650 but moves main RAM to match 16500a void hp16500_state::hp1651_map(address_map &map) { map(0x000000, 0x00ffff).rom().region("bios", 0); map(0x201000, 0x201001).w(FUNC(hp16500_state::maskval_w)); map(0x204001, 0x204001).w(FUNC(hp16500_state::pal_ctrl_w)); map(0x205001, 0x205001).w(FUNC(hp16500_state::pal_r_w)); map(0x2050fe, 0x2050ff).noprw(); map(0x206000, 0x206001).nopr(); map(0x206001, 0x206001).w(FUNC(hp16500_state::pal_g_w)); map(0x207001, 0x207001).w(FUNC(hp16500_state::pal_b_w)); map(0x20a000, 0x20a007).rw("epci", FUNC(mc2661_device::read), FUNC(mc2661_device::write)).umask16(0x00ff); map(0x20c001, 0x20c001).rw("crtc", FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w)); map(0x20c003, 0x20c003).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); map(0x20e000, 0x20e001).rw(FUNC(hp16500_state::vbl_ack16_r), FUNC(hp16500_state::vbl_ack16_w)); map(0x20f000, 0x20f001).noprw(); map(0x600000, 0x61ffff).w(FUNC(hp16500_state::vram_w)); map(0x600000, 0x67ffff).r(FUNC(hp16500_state::vram_r)).umask16(0x00ff); map(0x980000, 0xa7ffff).ram(); } void hp16500_state::hp16500a_map(address_map &map) { map(0x000000, 0x00ffff).rom().region("bios", 0); map(0x201000, 0x201001).w(FUNC(hp16500_state::maskval_w)); map(0x204001, 0x204001).w(FUNC(hp16500_state::pal_ctrl_w)); map(0x205001, 0x205001).w(FUNC(hp16500_state::pal_r_w)); map(0x206001, 0x206001).w(FUNC(hp16500_state::pal_g_w)); map(0x207001, 0x207001).w(FUNC(hp16500_state::pal_b_w)); map(0x20c001, 0x20c001).rw("crtc", FUNC(mc6845_device::status_r), FUNC(mc6845_device::address_w)); map(0x20c003, 0x20c003).rw("crtc", FUNC(mc6845_device::register_r), FUNC(mc6845_device::register_w)); map(0x20e000, 0x20e001).rw(FUNC(hp16500_state::vbl_ack16_r), FUNC(hp16500_state::vbl_ack16_w)); map(0x600000, 0x61ffff).w(FUNC(hp16500_state::vram_w)); map(0x600000, 0x67ffff).r(FUNC(hp16500_state::vram_r)).umask16(0x00ff); map(0x980000, 0xa7ffff).ram(); } uint32_t hp16500_state::screen_update_hp16500a(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return 0; } void hp16500_state::hp16500_map(address_map &map) { map(0x00000000, 0x0001ffff).rom().region("bios", 0); map(0x0020f000, 0x0020f003).w(FUNC(hp16500_state::palette_w)); map(0x00202800, 0x00202803).w(FUNC(hp16500_state::vbl_ack_w)); map(0x00203000, 0x00203003).w(FUNC(hp16500_state::vbl_ack_w)); map(0x00209800, 0x00209803).r(FUNC(hp16500_state::vbl_state_r)); map(0x0020b800, 0x0020b83f).rw("rtc", FUNC(ds1286_device::data_r), FUNC(ds1286_device::data_w)); map(0x0020b840, 0x0020b843).noprw(); // system ram test is really strange. map(0x0020f800, 0x0020f80f).rw(m_mlc, FUNC(hp_hil_mlc_device::read), FUNC(hp_hil_mlc_device::write)); map(0x00600000, 0x0061ffff).w(FUNC(hp16500_state::vram_w)); map(0x00600000, 0x0067ffff).r(FUNC(hp16500_state::vram_r)).umask32(0x00ff00ff); map(0x00700000, 0x00700000).w(FUNC(hp16500_state::mask_w)); map(0x00740000, 0x00740000).w(FUNC(hp16500_state::val_w)); map(0x00800000, 0x009fffff).ram(); } void hp16500_state::video_start() { m_count = 0; m_clutoffs = 0; memset(m_palette, 0, sizeof(m_palette)); m_vram.resize(0x40000); m_mask = 0; m_val = 0; } // The test code is buggy, it writes a byte in the wrong position // (even instead of odd). It still works because the 68k replicates // the byte on the word and the hardware doesn't decode UDS/LDS. But // that is why the handler needs to be 16 bits, or it won't be called // in the first place. WRITE16_MEMBER(hp16500_state::vram_w) { if(!ACCESSING_BITS_0_7) data = data | (data >> 8); for(int i=0; i<4; i++) { int off = offset + i * 0x10000; if(data & (8 >> i)) m_vram[off] = (m_vram[off] & ~m_mask) | (m_val & m_mask); else m_vram[off] = (m_vram[off] & ~m_mask); } } READ8_MEMBER (hp16500_state::vram_r) { return m_vram[offset]; } WRITE8_MEMBER(hp16500_state::mask_w) { m_mask = data; } WRITE8_MEMBER(hp16500_state::val_w) { m_val = data; } WRITE32_MEMBER(hp16500_state::palette_w) { if (mem_mask == 0xff000000) { m_clutoffs = (data>>24) & 0xff; } else if (mem_mask == 0x00ff0000) { m_colors[m_count++] = (data>>14) & 0xfc; if (m_count == 3) { m_palette[m_clutoffs] = rgb_t(m_colors[0], m_colors[1], m_colors[2]); m_clutoffs++; if (m_clutoffs > 255) { m_clutoffs = 0; } m_count = 0; } } } // 4 bpp // addr = ((Y * 0xfc0) + 0x360) + (X * 4) uint32_t hp16500_state::screen_update_hp16500(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { int pos = 0; for (int y = 0; y < 384; y++) { uint32_t *scanline = &bitmap.pix32(y); for (int x = 0; x < 576; x+=4) { *scanline++ = m_palette[m_vram[pos+0x00000]]; *scanline++ = m_palette[m_vram[pos+0x10000]]; *scanline++ = m_palette[m_vram[pos+0x20000]]; *scanline++ = m_palette[m_vram[pos+0x30000]]; pos++; } } return 0; } void hp16500_state::hp1650(machine_config &config) { /* basic machine hardware */ M68000(config, m_maincpu, 10000000); m_maincpu->set_addrmap(AS_PROGRAM, &hp16500_state::hp1650_map); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(25000000, 0x330, 0, 0x250, 0x198, 0, 0x180); screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); mc6845_device &crtc(MC6845(config, "crtc", 25000000/9)); crtc.set_screen("screen"); crtc.set_show_border_area(false); crtc.set_char_width(8); crtc.set_update_row_callback(FUNC(hp16500_state::crtc_update_row_1650)); crtc.out_vsync_callback().set(FUNC(hp16500_state::vsync_changed)); MC2661(config, "epci", 5000000); SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); } void hp16500_state::hp1651(machine_config &config) { /* basic machine hardware */ M68000(config, m_maincpu, 10000000); m_maincpu->set_addrmap(AS_PROGRAM, &hp16500_state::hp1651_map); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(25000000, 0x330, 0, 0x250, 0x198, 0, 0x180); screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); mc6845_device &crtc(MC6845(config, "crtc", 25000000/9)); crtc.set_screen("screen"); crtc.set_show_border_area(false); crtc.set_char_width(8); crtc.set_update_row_callback(FUNC(hp16500_state::crtc_update_row_1650)); crtc.out_vsync_callback().set(FUNC(hp16500_state::vsync_changed)); MC2661(config, "epci", 5000000); SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); } void hp16500_state::hp16500a(machine_config &config) { /* basic machine hardware */ M68000(config, m_maincpu, 10000000); m_maincpu->set_addrmap(AS_PROGRAM, &hp16500_state::hp16500a_map); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_raw(25000000, 0x320, 0, 0x240, 0x19c, 0, 0x170); screen.set_screen_update("crtc", FUNC(mc6845_device::screen_update)); mc6845_device &crtc(MC6845(config, "crtc", 25000000/9)); crtc.set_screen("screen"); crtc.set_show_border_area(false); crtc.set_char_width(8); crtc.set_update_row_callback(FUNC(hp16500_state::crtc_update_row)); crtc.out_vsync_callback().set(FUNC(hp16500_state::vsync_changed)); SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); } void hp16500_state::hp16500b(machine_config &config) { /* basic machine hardware */ M68EC030(config, m_maincpu, 50_MHz_XTAL / 2); m_maincpu->set_addrmap(AS_PROGRAM, &hp16500_state::hp16500_map); screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); screen.set_screen_update(FUNC(hp16500_state::screen_update_hp16500)); screen.set_size(576,384); screen.set_visarea(0, 576-1, 0, 384-1); screen.set_refresh_hz(60); screen.screen_vblank().set(FUNC(hp16500_state::vsync_changed)); // FIXME: Where is the AP line connected to? The MLC documentation recommends connecting it to VBLANK screen.screen_vblank().append(m_mlc, FUNC(hp_hil_mlc_device::ap_w)); HP_HIL_MLC(config, m_mlc, XTAL(15'920'000)/2); m_mlc->int_callback().set(FUNC(hp16500_state::irq_2)); // TODO: for now hook up the ipc hil keyboard - this might be replaced // later with a 16500b specific keyboard implementation HP_HIL_SLOT(config, "hil1", "mlc", hp_hil_devices, "hp_ipc_kbd"); DS1286(config, "rtc", 32768); //WD37C65C(config, "fdc", 16_MHz_XTAL); SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); } static INPUT_PORTS_START( hp16500 ) INPUT_PORTS_END ROM_START( hp1650b ) ROM_REGION16_BE(0x20000, "bios", 0) ROM_LOAD16_BYTE( "la1.bin", 0x000000, 0x008000, CRC(7c60e334) SHA1(c3661e4bb58e0951e9c13208b4991f5d9dda633b) ) ROM_LOAD16_BYTE( "la2.bin", 0x000001, 0x008000, CRC(b0c6fe60) SHA1(a77b2e7098f26af93b0946abe6e89711b3332210) ) ROM_END ROM_START( hp1651b ) ROM_REGION16_BE(0x20000, "bios", 0) ROM_LOAD16_BYTE( "u102.bin", 0x000000, 0x008000, CRC(d7e1b091) SHA1(af813cc7ae748aedf1b1d9d522ee2154961315c2) ) ROM_LOAD16_BYTE( "u103.bin", 0x000001, 0x008000, CRC(f32a37c7) SHA1(8addda59923f64fd9b7e909eb0e3a17cc02bb70e) ) ROM_END ROM_START( hp165ka0 ) ROM_REGION16_BE(0x20000, "bios", 0) ROM_LOAD16_BYTE( "16500-80002.bin", 0x000000, 0x008000, CRC(0324b75a) SHA1(837855fce9288139226c914cc0c43061e25b57d2) ) ROM_LOAD16_BYTE( "16500-80001.bin", 0x000001, 0x008000, CRC(362c8cbf) SHA1(812b79d1a31d09ec632a6842b11548168d82b5e7) ) ROM_END ROM_START( hp16500b ) ROM_REGION32_BE(0x20000, "bios", 0) ROM_LOAD32_BYTE( "16500-80014.bin", 0x000000, 0x008000, CRC(35187716) SHA1(82067737892ecd356a5454a43d9ce9b38ac2397f) ) ROM_LOAD32_BYTE( "16500-80015.bin", 0x000001, 0x008000, CRC(d8d26c1c) SHA1(b5b956c17c9d6e54519a686b5e4aa733b266bf6f) ) ROM_LOAD32_BYTE( "16500-80016.bin", 0x000002, 0x008000, CRC(61457b39) SHA1(f209315ec22a8ee9d44a0ec009b1afb47794bece) ) ROM_LOAD32_BYTE( "16500-80017.bin", 0x000003, 0x008000, CRC(e0b1096b) SHA1(426bb9a4756d8087bded4f6b61365d733ffbb09a) ) ROM_END COMP( 1989, hp1650b, 0, 0, hp1650, hp16500, hp16500_state, empty_init, "Hewlett Packard", "HP 1650b", MACHINE_NOT_WORKING|MACHINE_NO_SOUND) COMP( 1989, hp1651b, 0, 0, hp1651, hp16500, hp16500_state, empty_init, "Hewlett Packard", "HP 1651b", MACHINE_NOT_WORKING|MACHINE_NO_SOUND) COMP( 1991, hp165ka0, 0, 0, hp16500a, hp16500, hp16500_state, empty_init, "Hewlett Packard", "HP 16500a", MACHINE_NOT_WORKING|MACHINE_NO_SOUND) COMP( 1991, hp16500b, 0, 0, hp16500b, hp16500, hp16500_state, empty_init, "Hewlett Packard", "HP 16500b", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)