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Diffstat (limited to 'src/mame/drivers/hp16500.c')
-rw-r--r--src/mame/drivers/hp16500.c507
1 files changed, 507 insertions, 0 deletions
diff --git a/src/mame/drivers/hp16500.c b/src/mame/drivers/hp16500.c
new file mode 100644
index 00000000000..b847da0c19b
--- /dev/null
+++ b/src/mame/drivers/hp16500.c
@@ -0,0 +1,507 @@
+// 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 DUART/timer
+
+ 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 DUART/timer
+
+ 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 "video/mc6845.h"
+#include "machine/mc68681.h"
+
+#define MAINCPU_TAG "maincpu"
+#define CRTC_TAG "crtc"
+#define SCREEN_TAG "screen"
+#define DUART_TAG "duart"
+
+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_TAG)
+ { }
+
+ virtual void video_start();
+ UINT32 screen_update_hp16500(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+ UINT32 screen_update_hp16500a(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
+
+ required_device<cpu_device> m_maincpu;
+ std::vector<UINT8> m_vram;
+
+ UINT8 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(vsync_changed);
+ MC6845_UPDATE_ROW(crtc_update_row);
+ MC6845_UPDATE_ROW(crtc_update_row_1650);
+
+ INTERRUPT_GEN_MEMBER(vblank);
+
+private:
+ UINT32 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 *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 *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;
+}
+
+static ADDRESS_MAP_START(hp1650_map, AS_PROGRAM, 16, hp16500_state)
+ AM_RANGE(0x000000, 0x00ffff) AM_ROM AM_REGION("bios", 0)
+
+ AM_RANGE(0x201000, 0x201001) AM_WRITE(maskval_w)
+
+ AM_RANGE(0x204000, 0x204001) AM_WRITE8(pal_ctrl_w, 0x00ff)
+ AM_RANGE(0x205000, 0x205001) AM_WRITE8(pal_r_w, 0x00ff)
+ AM_RANGE(0x206000, 0x206001) AM_WRITE8(pal_g_w, 0x00ff)
+ AM_RANGE(0x207000, 0x207001) AM_WRITE8(pal_b_w, 0x00ff)
+
+ AM_RANGE(0x20c000, 0x20c001) AM_DEVREADWRITE8(CRTC_TAG, mc6845_device, status_r, address_w, 0x00ff)
+ AM_RANGE(0x20c002, 0x20c003) AM_DEVREADWRITE8(CRTC_TAG, mc6845_device, register_r, register_w, 0x00ff)
+
+ AM_RANGE(0x20e000, 0x20e001) AM_READWRITE(vbl_ack16_r, vbl_ack16_w)
+
+ AM_RANGE(0x2050fe, 0x2050ff) AM_NOP
+ AM_RANGE(0x206000, 0x206001) AM_NOP
+ AM_RANGE(0x20f000, 0x20f001) AM_NOP
+
+ AM_RANGE(0x600000, 0x61ffff) AM_WRITE(vram_w)
+ AM_RANGE(0x600000, 0x67ffff) AM_READ8(vram_r, 0x00ff)
+
+ AM_RANGE(0x900000, 0x9fffff) AM_RAM
+ADDRESS_MAP_END
+
+// like 1650 but moves main RAM to match 16500a
+static ADDRESS_MAP_START(hp1651_map, AS_PROGRAM, 16, hp16500_state)
+ AM_RANGE(0x000000, 0x00ffff) AM_ROM AM_REGION("bios", 0)
+
+ AM_RANGE(0x201000, 0x201001) AM_WRITE(maskval_w)
+
+ AM_RANGE(0x204000, 0x204001) AM_WRITE8(pal_ctrl_w, 0x00ff)
+ AM_RANGE(0x205000, 0x205001) AM_WRITE8(pal_r_w, 0x00ff)
+ AM_RANGE(0x206000, 0x206001) AM_WRITE8(pal_g_w, 0x00ff)
+ AM_RANGE(0x207000, 0x207001) AM_WRITE8(pal_b_w, 0x00ff)
+
+ AM_RANGE(0x20c000, 0x20c001) AM_DEVREADWRITE8(CRTC_TAG, mc6845_device, status_r, address_w, 0x00ff)
+ AM_RANGE(0x20c002, 0x20c003) AM_DEVREADWRITE8(CRTC_TAG, mc6845_device, register_r, register_w, 0x00ff)
+
+ AM_RANGE(0x20e000, 0x20e001) AM_READWRITE(vbl_ack16_r, vbl_ack16_w)
+
+ AM_RANGE(0x2050fe, 0x2050ff) AM_NOP
+ AM_RANGE(0x206000, 0x206001) AM_NOP
+ AM_RANGE(0x20f000, 0x20f001) AM_NOP
+
+ AM_RANGE(0x600000, 0x61ffff) AM_WRITE(vram_w)
+ AM_RANGE(0x600000, 0x67ffff) AM_READ8(vram_r, 0x00ff)
+
+ AM_RANGE(0x980000, 0xa7ffff) AM_RAM
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START(hp16500a_map, AS_PROGRAM, 16, hp16500_state)
+ AM_RANGE(0x000000, 0x00ffff) AM_ROM AM_REGION("bios", 0)
+
+ AM_RANGE(0x201000, 0x201001) AM_WRITE(maskval_w)
+
+ AM_RANGE(0x204000, 0x204001) AM_WRITE8(pal_ctrl_w, 0x00ff)
+ AM_RANGE(0x205000, 0x205001) AM_WRITE8(pal_r_w, 0x00ff)
+ AM_RANGE(0x206000, 0x206001) AM_WRITE8(pal_g_w, 0x00ff)
+ AM_RANGE(0x207000, 0x207001) AM_WRITE8(pal_b_w, 0x00ff)
+
+ AM_RANGE(0x20c000, 0x20c001) AM_DEVREADWRITE8(CRTC_TAG, mc6845_device, status_r, address_w, 0x00ff)
+ AM_RANGE(0x20c002, 0x20c003) AM_DEVREADWRITE8(CRTC_TAG, mc6845_device, register_r, register_w, 0x00ff)
+
+ AM_RANGE(0x20e000, 0x20e001) AM_READWRITE(vbl_ack16_r, vbl_ack16_w)
+
+ AM_RANGE(0x600000, 0x61ffff) AM_WRITE(vram_w)
+ AM_RANGE(0x600000, 0x67ffff) AM_READ8(vram_r, 0x00ff)
+
+ AM_RANGE(0x980000, 0xa7ffff) AM_RAM
+ADDRESS_MAP_END
+
+UINT32 hp16500_state::screen_update_hp16500a(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ return 0;
+}
+
+static ADDRESS_MAP_START(hp16500_map, AS_PROGRAM, 32, hp16500_state)
+ AM_RANGE(0x00000000, 0x0001ffff) AM_ROM AM_REGION("bios", 0)
+ AM_RANGE(0x0020f000, 0x0020f003) AM_WRITE(palette_w)
+
+ AM_RANGE(0x00202800, 0x00202803) AM_WRITE(vbl_ack_w)
+ AM_RANGE(0x00203000, 0x00203003) AM_WRITE(vbl_ack_w)
+ AM_RANGE(0x00209800, 0x00209803) AM_READ(vbl_state_r)
+
+ AM_RANGE(0x0020b800, 0x0020b8ff) AM_RAM // system ram test is really strange.
+
+ AM_RANGE(0x00600000, 0x0061ffff) AM_WRITE16(vram_w, 0xffffffff)
+ AM_RANGE(0x00600000, 0x0067ffff) AM_READ8 (vram_r, 0x00ff00ff)
+ AM_RANGE(0x00700000, 0x00700003) AM_WRITE8 (mask_w, 0xff000000)
+ AM_RANGE(0x00740000, 0x00740003) AM_WRITE8 (val_w, 0xff000000)
+ AM_RANGE(0x00800000, 0x009fffff) AM_RAM
+ADDRESS_MAP_END
+
+INTERRUPT_GEN_MEMBER(hp16500_state::vblank)
+{
+ m_maincpu->set_input_line(M68K_IRQ_1, ASSERT_LINE);
+}
+
+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 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 *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;
+}
+
+static MACHINE_CONFIG_START( hp1650, hp16500_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD(MAINCPU_TAG, M68000, 10000000)
+ MCFG_CPU_PROGRAM_MAP(hp1650_map)
+
+ MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
+ MCFG_SCREEN_RAW_PARAMS(25000000, 0x330, 0, 0x250, 0x198, 0, 0x180 )
+ MCFG_SCREEN_UPDATE_DEVICE( CRTC_TAG, mc6845_device, screen_update )
+
+ MCFG_MC6845_ADD(CRTC_TAG, MC6845, SCREEN_TAG, 25000000/9)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(hp16500_state, crtc_update_row_1650)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(hp16500_state, vsync_changed))
+
+ MCFG_DEVICE_ADD(DUART_TAG, MC68681, 20000000)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_START( hp1651, hp16500_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD(MAINCPU_TAG, M68000, 10000000)
+ MCFG_CPU_PROGRAM_MAP(hp1651_map)
+
+ MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
+ MCFG_SCREEN_RAW_PARAMS(25000000, 0x330, 0, 0x250, 0x198, 0, 0x180 )
+ MCFG_SCREEN_UPDATE_DEVICE( CRTC_TAG, mc6845_device, screen_update )
+
+ MCFG_MC6845_ADD(CRTC_TAG, MC6845, SCREEN_TAG, 25000000/9)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(hp16500_state, crtc_update_row_1650)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(hp16500_state, vsync_changed))
+
+ MCFG_DEVICE_ADD(DUART_TAG, MC68681, 20000000)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_START( hp16500a, hp16500_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD(MAINCPU_TAG, M68000, 10000000)
+ MCFG_CPU_PROGRAM_MAP(hp16500a_map)
+
+ MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
+ MCFG_SCREEN_RAW_PARAMS(25000000, 0x320, 0, 0x240, 0x19c, 0, 0x170 )
+ MCFG_SCREEN_UPDATE_DEVICE( CRTC_TAG, mc6845_device, screen_update )
+
+ MCFG_MC6845_ADD(CRTC_TAG, MC6845, SCREEN_TAG, 25000000/9)
+ MCFG_MC6845_SHOW_BORDER_AREA(false)
+ MCFG_MC6845_CHAR_WIDTH(8)
+ MCFG_MC6845_UPDATE_ROW_CB(hp16500_state, crtc_update_row)
+ MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(hp16500_state, vsync_changed))
+
+ MCFG_DEVICE_ADD(DUART_TAG, MC68681, 20000000)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_START( hp16500, hp16500_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD(MAINCPU_TAG, M68EC030, 25000000)
+ MCFG_CPU_PROGRAM_MAP(hp16500_map)
+ MCFG_CPU_VBLANK_INT_DRIVER(SCREEN_TAG, hp16500_state, vblank)
+
+ MCFG_SCREEN_ADD(SCREEN_TAG, RASTER)
+ MCFG_SCREEN_UPDATE_DRIVER(hp16500_state, screen_update_hp16500)
+ MCFG_SCREEN_SIZE(576,384)
+ MCFG_SCREEN_VISIBLE_AREA(0, 576-1, 0, 384-1)
+ MCFG_SCREEN_REFRESH_RATE(60)
+
+ MCFG_DEVICE_ADD(DUART_TAG, MC68681, 20000000)
+
+ MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
+MACHINE_CONFIG_END
+
+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, driver_device, 0, "Hewlett Packard", "HP 1650b", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)
+COMP( 1989, hp1651b, 0, 0, hp1651, hp16500, driver_device, 0, "Hewlett Packard", "HP 1651b", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)
+COMP( 1991, hp165ka0, 0, 0, hp16500a, hp16500, driver_device, 0, "Hewlett Packard", "HP 16500a", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)
+COMP( 1991, hp16500b, 0, 0, hp16500, hp16500, driver_device, 0, "Hewlett Packard", "HP 16500b", MACHINE_NOT_WORKING|MACHINE_NO_SOUND)