diff --git a/src/include/86box/vid_svga.h b/src/include/86box/vid_svga.h
index a66dd8c03..cbd6c511a 100644
--- a/src/include/86box/vid_svga.h
+++ b/src/include/86box/vid_svga.h
@@ -141,6 +141,7 @@ typedef struct svga_t {
     int render_line_offset;
     int start_retrace_latch;
     int vga_mode;
+    int half_pixel;
 
     /*The three variables below allow us to implement memory maps like that seen on a 1MB Trio64 :
       0MB-1MB - VRAM
diff --git a/src/video/vid_svga.c b/src/video/vid_svga.c
index 302a26f23..d3a95f0bb 100644
--- a/src/video/vid_svga.c
+++ b/src/video/vid_svga.c
@@ -1480,6 +1480,7 @@ svga_poll(void *priv)
                 svga->scanline = 0;
                 if (svga->attrregs[0x10] & 0x20) {
                     svga->scrollcache   = 0;
+                    svga->half_pixel    = 0;
                     svga->x_add         = svga->left_overscan;
                 }
             }
@@ -1580,11 +1581,15 @@ svga_poll(void *priv)
                     if (svga->scrollcache > 8)
                         svga->scrollcache = 0;
                 }
+                svga->half_pixel  = 0;
             } else if ((svga->render == svga_render_2bpp_lowres) || (svga->render == svga_render_2bpp_highres) ||
-                       (svga->render == svga_render_4bpp_lowres) || (svga->render == svga_render_4bpp_highres))
+                       (svga->render == svga_render_4bpp_lowres) || (svga->render == svga_render_4bpp_highres)) {
+                svga->half_pixel  = 0;
                 svga->scrollcache &= 0x07;
-            else
+            } else {
+                svga->half_pixel  = svga->scrollcache & 0x01;
                 svga->scrollcache = (svga->scrollcache & 0x06) >> 1;
+            }
 
             if ((svga->seqregs[1] & 8) || (svga->render == svga_render_8bpp_lowres))
                 svga->scrollcache <<= 1;
diff --git a/src/video/vid_svga_render.c b/src/video/vid_svga_render.c
index 5e4844aed..773874322 100644
--- a/src/video/vid_svga_render.c
+++ b/src/video/vid_svga_render.c
@@ -805,6 +805,8 @@ svga_render_indexed_gfx(svga_t *svga, bool highres, bool combine8bits)
     uint32_t incr_counter = 0;
     uint32_t load_counter = 0;
     uint32_t edat         = 0;
+    uint32_t col          = 0;
+    uint32_t col2         = 0;
     for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += charwidth) {
         if (load_counter == 0) {
             /* Find our address */
@@ -923,8 +925,19 @@ svga_render_indexed_gfx(svga_t *svga, bool highres, bool combine8bits)
                 }
             } else if (combine8bits) {
                 if (svga->packed_4bpp) {
-                    uint32_t  p0      = svga->map8[c0 & svga->dac_mask];
-                    uint32_t  p1      = svga->map8[c1 & svga->dac_mask];
+                    uint32_t  p0;
+                    uint32_t  p1;
+                    if (svga->half_pixel) {
+                        col                 |= (c0 >> 4) & 0xff;
+                        col2                 = (c0 << 4) & 0xff;
+                        col2                |= (c1 >> 4) & 0xff;
+                        p0                  = svga->map8[col & svga->dac_mask];
+                        p1                  = svga->map8[col2 & svga->dac_mask];
+                        col                 = (c1 << 4) & 0xff;
+                    } else {
+                        p0                = svga->map8[c0 & svga->dac_mask];
+                        p1                = svga->map8[c1 & svga->dac_mask];
+                    }
                     const int outoffs = i << dwshift;
                     for (int subx = 0; subx < dotwidth; subx++)
                         p[outoffs + subx] = p0;
@@ -932,7 +945,13 @@ svga_render_indexed_gfx(svga_t *svga, bool highres, bool combine8bits)
                         p[outoffs + subx + dotwidth] = p1;
                 } else {
                     uint32_t  ccombined = (c0 << 4) | c1;
-                    uint32_t  p0        = svga->map8[ccombined & svga->dac_mask];
+                    uint32_t  p0;
+                    if (svga->half_pixel) {
+                        col                 |= (ccombined >> 4) & 0xff;
+                        p0                  = svga->map8[col & svga->dac_mask];
+                        col                 = (ccombined << 4) & 0xff;
+                    } else
+                        p0                  = svga->map8[ccombined & svga->dac_mask];
                     const int outoffs   = (i >> 1) << dwshift;
                     for (int subx = 0; subx < dotwidth; subx++)
                         p[outoffs + subx] = p0;