diff --git a/src/Makefile.am b/src/Makefile.am
index 721f002..cf95aaa 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,7 +27,7 @@ sound_ad1848.c sound_adlib.c sound_adlibgold.c sound_cms.c sound_emu8k.c sound_g
 sound_mpu401_uart.c sound_opl.c sound_pas16.c sound_ps1.c sound_pssj.c sound_sb.c sound_sb_dsp.c sound_sn76489.c \
 sound_speaker.c sound_ssi2001.c sound_wss.c sound_ym7128.c soundopenal.c tandy_eeprom.c tandy_rom.c thread-pthread.c \
 timer.c um8669f.c um8881f.c vid_ati_eeprom.c vid_ati_mach64.c vid_ati18800.c vid_ati28800.c \
-vid_ati68860_ramdac.c vid_cga.c vid_cl5429.c vid_ega.c vid_et4000.c vid_et4000w32.c vid_hercules.c \
+vid_ati68860_ramdac.c vid_cga.c vid_cl5429.c vid_colorplus.c vid_ega.c vid_et4000.c vid_et4000w32.c vid_hercules.c \
 vid_icd2061.c vid_ics2595.c vid_incolor.c vid_mda.c vid_olivetti_m24.c vid_oti067.c vid_paradise.c vid_pc200.c \
 vid_pc1512.c vid_pc1640.c vid_pcjr.c vid_ps1_svga.c vid_s3.c vid_s3_virge.c vid_sdac_ramdac.c \
 vid_stg_ramdac.c vid_svga.c vid_svga_render.c vid_tandy.c vid_tandysl.c vid_tgui9440.c \
diff --git a/src/Makefile.linux32 b/src/Makefile.linux32
index 1e347a1..3ebd625 100644
--- a/src/Makefile.linux32
+++ b/src/Makefile.linux32
@@ -16,7 +16,7 @@ sound_ad1848.o sound_adlib.o sound_adlibgold.o sound_cms.o sound_emu8k.o sound_g
 sound_mpu401_uart.o sound_opl.o sound_pas16.o sound_ps1.o sound_pssj.o sound_sb.o sound_sb_dsp.o sound_sn76489.o \
 sound_speaker.o sound_ssi2001.o sound_wss.o sound_ym7128.o soundopenal.o tandy_eeprom.o tandy_rom.o thread-pthread.o \
 timer.o um8669f.o um8881f.o vid_ati_eeprom.o vid_ati_mach64.o vid_ati18800.o vid_ati28800.o \
-vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_ega.o vid_et4000.o vid_et4000w32.o vid_hercules.o \
+vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_colorplus.o vid_ega.o vid_et4000.o vid_et4000w32.o vid_hercules.o \
 vid_icd2061.o vid_ics2595.o vid_incolor.o vid_mda.o vid_olivetti_m24.o vid_oti067.o vid_paradise.o vid_pc200.o \
 vid_pc1512.o vid_pc1640.o vid_pcjr.o vid_ps1_svga.o vid_s3.o vid_s3_virge.o vid_sdac_ramdac.o \
 vid_stg_ramdac.o vid_svga.o vid_svga_render.o vid_tandy.o vid_tandysl.o vid_tgui9440.o \
diff --git a/src/Makefile.linux64 b/src/Makefile.linux64
index 9eef9a8..a30d219 100644
--- a/src/Makefile.linux64
+++ b/src/Makefile.linux64
@@ -15,7 +15,7 @@ sound_ad1848.o sound_adlib.o sound_adlibgold.o sound_cms.o sound_emu8k.o sound_g
 sound_mpu401_uart.o sound_opl.o sound_pas16.o sound_ps1.o sound_pssj.o sound_sb.o sound_sb_dsp.o sound_sn76489.o \
 sound_speaker.o sound_ssi2001.o sound_wss.o sound_ym7128.o soundopenal.o tandy_eeprom.o tandy_rom.o thread-pthread.o \
 timer.o um8669f.o um8881f.o vid_ati_eeprom.o vid_ati_mach64.o vid_ati18800.o vid_ati28800.o \
-vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_ega.o vid_et4000.o vid_et4000w32.o vid_hercules.o \
+vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_colorplus.o vid_ega.o vid_et4000.o vid_et4000w32.o vid_hercules.o \
 vid_icd2061.o vid_ics2595.o vid_incolor.o vid_mda.o vid_olivetti_m24.o vid_oti067.o vid_paradise.o vid_pc200.o \
 vid_pc1512.o vid_pc1640.o vid_pcjr.o vid_ps1_svga.o vid_s3.o vid_s3_virge.o vid_sdac_ramdac.o \
 vid_stg_ramdac.o vid_svga.o vid_svga_render.o vid_tandy.o vid_tandysl.o vid_tgui9440.o \
diff --git a/src/Makefile.mingw b/src/Makefile.mingw
index 7c15fb8..2db9664 100644
--- a/src/Makefile.mingw
+++ b/src/Makefile.mingw
@@ -13,7 +13,7 @@ OBJ = 386.o 386_dynarec.o 386_dynarec_ops.o 808x.o acer386sx.o ali1429.o amstrad
 	sound_emu8k.o sound_gus.o sound_mpu401_uart.o sound_opl.o sound_pas16.o sound_ps1.o sound_pssj.o sound_resid.o \
 	sound_sb.o sound_sb_dsp.o sound_sn76489.o sound_speaker.o sound_ssi2001.o sound_wss.o \
 	sound_ym7128.o soundopenal.o tandy_eeprom.o tandy_rom.o timer.o um8881f.o um8669f.o vid_ati_eeprom.o vid_ati_mach64.o vid_ati18800.o \
-	vid_ati28800.o vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_ega.o vid_et4000.o \
+	vid_ati28800.o vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_colorplus.o vid_ega.o vid_et4000.o \
 	vid_et4000w32.o vid_et4000w32i.o vid_hercules.o vid_icd2061.o vid_ics2595.o vid_incolor.o vid_mda.o \
 	vid_olivetti_m24.o vid_oti067.o vid_paradise.o vid_pc1512.o vid_pc1640.o vid_pc200.o \
 	vid_pcjr.o vid_ps1_svga.o vid_s3.o vid_s3_virge.o vid_sdac_ramdac.o vid_stg_ramdac.o vid_svga.o \
diff --git a/src/Makefile.mingw64 b/src/Makefile.mingw64
index 6e76b05..9a9a2b7 100644
--- a/src/Makefile.mingw64
+++ b/src/Makefile.mingw64
@@ -13,7 +13,7 @@ OBJ = 386.o 386_dynarec.o 386_dynarec_ops.o 808x.o acer386sx.o ali1429.o amstrad
 	sound_emu8k.o sound_gus.o sound_mpu401_uart.o sound_opl.o sound_pas16.o sound_ps1.o sound_pssj.o sound_resid.o \
 	sound_sb.o sound_sb_dsp.o sound_sn76489.o sound_speaker.o sound_ssi2001.o sound_wss.o sound_ym7128.o \
 	soundopenal.o tandy_eeprom.o tandy_rom.o timer.o um8881f.o um8669f.o vid_ati_eeprom.o vid_ati_mach64.o vid_ati18800.o \
-	vid_ati28800.o vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_ega.o vid_et4000.o \
+	vid_ati28800.o vid_ati68860_ramdac.o vid_cga.o vid_cl5429.o vid_colorplus.o vid_ega.o vid_et4000.o \
 	vid_et4000w32.o vid_et4000w32i.o vid_hercules.o vid_icd2061.o vid_ics2595.o vid_incolor.o vid_mda.o \
 	vid_olivetti_m24.o vid_oti067.o vid_paradise.o vid_pc1512.o vid_pc1640.o vid_pc200.o \
 	vid_pcjr.o vid_ps1_svga.o vid_s3.o vid_s3_virge.o vid_sdac_ramdac.o vid_stg_ramdac.o vid_svga.o \
diff --git a/src/ibm.h b/src/ibm.h
index 9c85b02..a4a0daf 100644
--- a/src/ibm.h
+++ b/src/ibm.h
@@ -342,7 +342,7 @@ char discfns[2][256];
 int driveempty[2];
 
 #define MDA ((gfxcard==GFX_MDA || gfxcard==GFX_HERCULES || gfxcard==GFX_INCOLOR) && (romset<ROM_TANDY || romset>=ROM_IBMAT))
-#define VGA ((gfxcard>=GFX_TVGA || romset==ROM_ACER386) && gfxcard!=GFX_INCOLOR && romset!=ROM_PC1640 && romset!=ROM_PC1512 && romset!=ROM_TANDY && romset!=ROM_PC200)
+#define VGA ((gfxcard>=GFX_TVGA || romset==ROM_ACER386) && gfxcard!=GFX_COLORPLUS && gfxcard!=GFX_INCOLOR && romset!=ROM_PC1640 && romset!=ROM_PC1512 && romset!=ROM_TANDY && romset!=ROM_PC200)
 #define PCJR (romset == ROM_IBMPCJR)
 #define AMIBIOS (romset==ROM_AMI386 || romset==ROM_AMI486 || romset == ROM_WIN486)
 
@@ -425,6 +425,7 @@ enum
         GFX_PHOENIX_TRIO32, /*S3 732/Trio32 (Phoenix)*/
         GFX_PHOENIX_TRIO64, /*S3 764/Trio64 (Phoenix)*/
        	GFX_INCOLOR,	/* Hercules InColor */ 
+	GFX_COLORPLUS,	/* Plantronics ColorPlus */
         GFX_MAX
 };
 
diff --git a/src/jim.c b/src/jim.c
index 1e8b879..7c311e8 100644
--- a/src/jim.c
+++ b/src/jim.c
@@ -70,7 +70,7 @@ void jim_init()
         europc_rtc.dat[3]=1;
         europc_rtc.dat[4]=1;
         europc_rtc.dat[5]=0x88;
-        if (gfxcard==GFX_CGA) viddat=0x12;
+        if (gfxcard==GFX_CGA || gfxcard == GFX_COLORPLUS) viddat=0x12;
         else if (gfxcard==GFX_MDA || gfxcard==GFX_HERCULES || gfxcard==GFX_INCOLOR) viddat=3;
         else viddat=0x10;
         europc_rtc.dat[0xB]=viddat;
diff --git a/src/vid_colorplus.c b/src/vid_colorplus.c
new file mode 100644
index 0000000..31110bd
--- /dev/null
+++ b/src/vid_colorplus.c
@@ -0,0 +1,378 @@
+/*Plantronics ColorPlus emulation*/
+#include <stdlib.h>
+#include <math.h>
+#include "ibm.h"
+#include "device.h"
+#include "io.h"
+#include "mem.h"
+#include "timer.h"
+#include "video.h"
+#include "vid_cga.h"
+#include "vid_colorplus.h"
+
+typedef struct colorplus_t
+{
+	cga_t cga;
+        uint8_t control;
+} colorplus_t;
+
+/* Bits in the colorplus control register: */
+#define COLORPLUS_PLANE_SWAP	0x40	/* Swap planes at 0000h and 4000h */
+#define COLORPLUS_640x200_MODE	0x20	/* 640x200x4 mode active */
+#define COLORPLUS_320x200_MODE	0x10	/* 320x200x16 mode active */
+#define COLORPLUS_EITHER_MODE   0x30	/* Either mode active */
+
+/* Bits in the CGA graphics mode register */
+#define CGA_GRAPHICS_MODE       0x02	/* CGA graphics mode selected? */
+
+void colorplus_out(uint16_t addr, uint8_t val, void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+
+//        pclog("COLORPLUS_OUT %04X %02X\n", addr, val);
+        if (addr == 0x3DD)
+        {
+                colorplus->control = val & 0x70;
+	}
+        else
+        {
+                cga_out(addr, val, &colorplus->cga);
+	}
+}
+
+uint8_t colorplus_in(uint16_t addr, void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+
+        return cga_in(addr, &colorplus->cga);
+}
+
+void colorplus_write(uint32_t addr, uint8_t val, void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+
+//        pclog("COLORPLUS_WRITE %04X %02X\n", addr, val);
+	if ((colorplus->control & COLORPLUS_PLANE_SWAP) &&
+	    (colorplus->control & COLORPLUS_EITHER_MODE) &&
+	    (colorplus->cga.cgamode & CGA_GRAPHICS_MODE))
+	{
+		addr ^= 0x4000;
+	}
+	else if (!(colorplus->control & COLORPLUS_EITHER_MODE))
+	{
+		addr &= 0x3FFF;
+	}
+        colorplus->cga.vram[addr & 0x7fff] = val;
+        egawrites++;
+        cycles -= 4;
+}
+
+uint8_t colorplus_read(uint32_t addr, void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+
+	if ((colorplus->control & COLORPLUS_PLANE_SWAP) &&
+	    (colorplus->control & COLORPLUS_EITHER_MODE) &&
+	    (colorplus->cga.cgamode & CGA_GRAPHICS_MODE))
+	{
+		addr ^= 0x4000;
+	}	
+	else if (!(colorplus->control & COLORPLUS_EITHER_MODE))
+	{
+		addr &= 0x3FFF;
+	}
+        cycles -= 4;        
+        egareads++;
+//        pclog("COLORPLUS_READ %04X\n", addr);
+        return colorplus->cga.vram[addr & 0x7fff];
+}
+
+void colorplus_recalctimings(colorplus_t *colorplus)
+{
+	cga_recalctimings(&colorplus->cga);
+}
+
+void colorplus_poll(void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+        int x, c;
+        int oldvc;
+        uint16_t dat0, dat1;
+        int cols[4];
+        int col;
+        int oldsc;
+	static const int cols16[16] = { 0x10,0x12,0x14,0x16,
+					0x18,0x1A,0x1C,0x1E,
+					0x11,0x13,0x15,0x17,
+					0x19,0x1B,0x1D,0x1F };
+	uint8_t *plane0 = colorplus->cga.vram;
+	uint8_t *plane1 = colorplus->cga.vram + 0x4000;
+
+	/* If one of the extra modes is not selected, drop down to the CGA
+	 * drawing code. */
+	if (!((colorplus->control & COLORPLUS_EITHER_MODE) &&
+	      (colorplus->cga.cgamode & CGA_GRAPHICS_MODE)))
+	{
+		cga_poll(&colorplus->cga);
+		return;
+	}
+
+        if (!colorplus->cga.linepos)
+        {
+                colorplus->cga.vidtime += colorplus->cga.dispofftime;
+                colorplus->cga.cgastat |= 1;
+                colorplus->cga.linepos = 1;
+                oldsc = colorplus->cga.sc;
+                if ((colorplus->cga.crtc[8] & 3) == 3) 
+                   colorplus->cga.sc = ((colorplus->cga.sc << 1) + colorplus->cga.oddeven) & 7;
+                if (colorplus->cga.cgadispon)
+                {
+                        if (colorplus->cga.displine < colorplus->cga.firstline)
+                        {
+                                colorplus->cga.firstline = colorplus->cga.displine;
+                                video_wait_for_buffer();
+//                                printf("Firstline %i\n",firstline);
+                        }
+                        colorplus->cga.lastline = colorplus->cga.displine;
+			/* Left / right border */
+                        for (c = 0; c < 8; c++)
+                        {
+                                buffer->line[colorplus->cga.displine][c] = 
+                                buffer->line[colorplus->cga.displine][c + (colorplus->cga.crtc[1] << 4) + 8] = (colorplus->cga.cgacol & 15) + 16;
+                        }
+			if (colorplus->control & COLORPLUS_320x200_MODE)
+			{
+                                for (x = 0; x < colorplus->cga.crtc[1]; x++)
+                                {
+                                        dat0 = (plane0[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000)] << 8) |
+                                                plane0[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000) + 1];
+                                        dat1 = (plane1[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000)] << 8) |
+                                                plane1[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000) + 1];
+                                        colorplus->cga.ma++;
+                                        for (c = 0; c < 8; c++)
+                                        {
+                                                buffer->line[colorplus->cga.displine][(x << 4) + (c << 1) + 8] =
+                                                buffer->line[colorplus->cga.displine][(x << 4) + (c << 1) + 1 + 8] = 
+                                                  cols16[(dat0 >> 14) | ((dat1 >> 14) << 2)];
+                                                dat0 <<= 2;
+                                                dat1 <<= 2;
+                                        }
+                                }
+			}
+			else if (colorplus->control & COLORPLUS_640x200_MODE)
+                        {
+                                cols[0] = (colorplus->cga.cgacol & 15) | 16;
+                                col = (colorplus->cga.cgacol & 16) ? 24 : 16;
+                                if (colorplus->cga.cgamode & 4)
+                                {
+                                        cols[1] = col | 3;
+                                        cols[2] = col | 4;
+                                        cols[3] = col | 7;
+                                }
+                                else if (colorplus->cga.cgacol & 32)
+                                {
+                                        cols[1] = col | 3;
+                                        cols[2] = col | 5;
+                                        cols[3] = col | 7;
+                                }
+                                else
+                                {
+                                        cols[1] = col | 2;
+                                        cols[2] = col | 4;
+                                        cols[3] = col | 6;
+                                }
+                                for (x = 0; x < colorplus->cga.crtc[1]; x++)
+                                {
+                                        dat0 = (plane0[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000)] << 8) |
+                                                plane0[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000) + 1];
+                                        dat1 = (plane1[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000)] << 8) |
+                                                plane1[((colorplus->cga.ma << 1) & 0x1fff) + ((colorplus->cga.sc & 1) * 0x2000) + 1];
+                                        colorplus->cga.ma++;
+                                        for (c = 0; c < 16; c++)
+                                        {
+                                                buffer->line[colorplus->cga.displine][(x << 4) + c + 8] =
+                                                  cols[(dat0 >> 15) | ((dat1 >> 15) << 1)];
+                                                dat0 <<= 1;
+                                                dat1 <<= 1;
+                                        }
+                                }
+                        }
+                }
+                else	/* Top / bottom border */
+                {
+                        cols[0] = (colorplus->cga.cgacol & 15) + 16;
+                        hline(buffer, 0, colorplus->cga.displine, (colorplus->cga.crtc[1] << 4) + 16, cols[0]);
+                }
+
+                x = (colorplus->cga.crtc[1] << 4) + 16;
+
+                colorplus->cga.sc = oldsc;
+                if (colorplus->cga.vc == colorplus->cga.crtc[7] && !colorplus->cga.sc)
+                   colorplus->cga.cgastat |= 8;
+                colorplus->cga.displine++;
+                if (colorplus->cga.displine >= 360) 
+                        colorplus->cga.displine = 0;
+        }
+        else
+        {
+                colorplus->cga.vidtime += colorplus->cga.dispontime;
+                colorplus->cga.linepos = 0;
+                if (colorplus->cga.vsynctime)
+                {
+                        colorplus->cga.vsynctime--;
+                        if (!colorplus->cga.vsynctime)
+                           colorplus->cga.cgastat &= ~8;
+                }
+                if (colorplus->cga.sc == (colorplus->cga.crtc[11] & 31) || ((colorplus->cga.crtc[8] & 3) == 3 && colorplus->cga.sc == ((colorplus->cga.crtc[11] & 31) >> 1))) 
+                { 
+                        colorplus->cga.con = 0; 
+                        colorplus->cga.coff = 1; 
+                }
+                if ((colorplus->cga.crtc[8] & 3) == 3 && colorplus->cga.sc == (colorplus->cga.crtc[9] >> 1))
+                   colorplus->cga.maback = colorplus->cga.ma;
+                if (colorplus->cga.vadj)
+                {
+                        colorplus->cga.sc++;
+                        colorplus->cga.sc &= 31;
+                        colorplus->cga.ma = colorplus->cga.maback;
+                        colorplus->cga.vadj--;
+                        if (!colorplus->cga.vadj)
+                        {
+                                colorplus->cga.cgadispon = 1;
+                                colorplus->cga.ma = colorplus->cga.maback = (colorplus->cga.crtc[13] | (colorplus->cga.crtc[12] << 8)) & 0x3fff;
+                                colorplus->cga.sc = 0;
+                        }
+                }
+                else if (colorplus->cga.sc == colorplus->cga.crtc[9])
+                {
+                        colorplus->cga.maback = colorplus->cga.ma;
+                        colorplus->cga.sc = 0;
+                        oldvc = colorplus->cga.vc;
+                        colorplus->cga.vc++;
+                        colorplus->cga.vc &= 127;
+
+                        if (colorplus->cga.vc == colorplus->cga.crtc[6]) 
+                                colorplus->cga.cgadispon = 0;
+
+                        if (oldvc == colorplus->cga.crtc[4])
+                        {
+                                colorplus->cga.vc = 0;
+                                colorplus->cga.vadj = colorplus->cga.crtc[5];
+                                if (!colorplus->cga.vadj) colorplus->cga.cgadispon = 1;
+                                if (!colorplus->cga.vadj) colorplus->cga.ma = colorplus->cga.maback = (colorplus->cga.crtc[13] | (colorplus->cga.crtc[12] << 8)) & 0x3fff;
+                                if ((colorplus->cga.crtc[10] & 0x60) == 0x20) colorplus->cga.cursoron = 0;
+                                else                                colorplus->cga.cursoron = colorplus->cga.cgablink & 8;
+                        }
+
+                        if (colorplus->cga.vc == colorplus->cga.crtc[7])
+                        {
+                                colorplus->cga.cgadispon = 0;
+                                colorplus->cga.displine = 0;
+                                colorplus->cga.vsynctime = 16;
+                                if (colorplus->cga.crtc[7])
+                                {
+                                        if (colorplus->cga.cgamode & 1) x = (colorplus->cga.crtc[1] << 3) + 16;
+                                        else                  x = (colorplus->cga.crtc[1] << 4) + 16;
+                                        colorplus->cga.lastline++;
+                                        if (x != xsize || (colorplus->cga.lastline - colorplus->cga.firstline) != ysize)
+                                        {
+                                                xsize = x;
+                                                ysize = colorplus->cga.lastline - colorplus->cga.firstline;
+                                                if (xsize < 64) xsize = 656;
+                                                if (ysize < 32) ysize = 200;
+                                                updatewindowsize(xsize, (ysize << 1) + 16);
+                                        }
+                                        
+                                        video_blit_memtoscreen_8(0, colorplus->cga.firstline - 4, xsize, (colorplus->cga.lastline - colorplus->cga.firstline) + 8);
+                                        frames++;
+
+                                        video_res_x = xsize - 16;
+                                        video_res_y = ysize;
+                                        if (colorplus->cga.cgamode & 1)
+                                        {
+                                                video_res_x /= 8;
+                                                video_res_y /= colorplus->cga.crtc[9] + 1;
+                                                video_bpp = 0;
+                                        }
+                                        else if (!(colorplus->cga.cgamode & 2))
+                                        {
+                                                video_res_x /= 16;
+                                                video_res_y /= colorplus->cga.crtc[9] + 1;
+                                                video_bpp = 0;
+                                        }
+                                        else if (!(colorplus->cga.cgamode & 16))
+                                        {
+                                                video_res_x /= 2;
+                                                video_bpp = 2;
+                                        }
+                                        else
+                                        {
+                                                video_bpp = 1;
+                                        }
+                                }
+                                colorplus->cga.firstline = 1000;
+                                colorplus->cga.lastline = 0;
+                                colorplus->cga.cgablink++;
+                                colorplus->cga.oddeven ^= 1;
+                        }
+                }
+                else
+                {
+                        colorplus->cga.sc++;
+                        colorplus->cga.sc &= 31;
+                        colorplus->cga.ma = colorplus->cga.maback;
+                }
+                if (colorplus->cga.cgadispon)
+                        colorplus->cga.cgastat &= ~1;
+                if ((colorplus->cga.sc == (colorplus->cga.crtc[10] & 31) || ((colorplus->cga.crtc[8] & 3) == 3 && colorplus->cga.sc == ((colorplus->cga.crtc[10] & 31) >> 1)))) 
+                        colorplus->cga.con = 1;
+                if (colorplus->cga.cgadispon && (colorplus->cga.cgamode & 1))
+                {
+                        for (x = 0; x < (colorplus->cga.crtc[1] << 1); x++)
+                            colorplus->cga.charbuffer[x] = colorplus->cga.vram[(((colorplus->cga.ma << 1) + x) & 0x3fff)];
+                }
+        }
+}
+
+void *colorplus_init()
+{
+        colorplus_t *colorplus = malloc(sizeof(colorplus_t));
+        memset(colorplus, 0, sizeof(colorplus_t));
+
+        colorplus->cga.vram = malloc(0x8000);
+        colorplus->cga.composite = colorplus->cga.snow_enabled = 0;
+                
+        timer_add(colorplus_poll, &colorplus->cga.vidtime, TIMER_ALWAYS_ENABLED, colorplus);
+        mem_mapping_add(&colorplus->cga.mapping, 0xb8000, 0x08000, colorplus_read, NULL, NULL, colorplus_write, NULL, NULL,  NULL, 0, colorplus);
+        io_sethandler(0x03d0, 0x0010, colorplus_in, NULL, NULL, colorplus_out, NULL, NULL, colorplus);
+		
+        return colorplus;
+}
+
+void colorplus_close(void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+
+        free(colorplus->cga.vram);
+        free(colorplus);
+}
+
+void colorplus_speed_changed(void *p)
+{
+        colorplus_t *colorplus = (colorplus_t *)p;
+        
+        cga_recalctimings(&colorplus->cga);
+}
+
+device_t colorplus_device =
+{
+        "Colorplus",
+        0,
+        colorplus_init,
+        colorplus_close,
+        NULL,
+        colorplus_speed_changed,
+        NULL,
+        NULL,
+        NULL
+};
diff --git a/src/vid_colorplus.h b/src/vid_colorplus.h
new file mode 100644
index 0000000..07b04a6
--- /dev/null
+++ b/src/vid_colorplus.h
@@ -0,0 +1 @@
+extern device_t colorplus_device;
diff --git a/src/video.c b/src/video.c
index 2ee75dc..642044b 100644
--- a/src/video.c
+++ b/src/video.c
@@ -22,6 +22,7 @@
 #include "vid_et4000w32.h"
 #include "vid_hercules.h"
 #include "vid_incolor.h"
+#include "vid_colorplus.h"
 #include "vid_mda.h"
 #include "vid_olivetti_m24.h"
 #include "vid_oti067.h"
@@ -64,6 +65,7 @@ static VIDEO_CARD video_cards[] =
         {"Paradise Bahamas 64 (S3 Vision864)",     &s3_bahamas64_device,        GFX_BAHAMAS64},
         {"Phoenix S3 Trio32",                      &s3_phoenix_trio32_device,   GFX_PHOENIX_TRIO32},
         {"Phoenix S3 Trio64",                      &s3_phoenix_trio64_device,   GFX_PHOENIX_TRIO64},
+        {"Plantronics ColorPlus",                  &colorplus_device,           GFX_COLORPLUS},
         {"S3 ViRGE/DX",                            &s3_virge_375_device,        GFX_VIRGEDX},
         {"Trident TVGA8900D",                      &tvga8900d_device,           GFX_TVGA},
         {"Tseng ET4000AX",                         &et4000_device,              GFX_ET4000},