From: Toni Wilen <twilen@winuae.net>
Date: Sat, 18 Dec 2021 17:51:40 +0000 (+0200)
Subject: Enable Cirrus Logic planar modes, support planar mode horizontal doubling.
X-Git-Tag: 4910~42
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=b7cd0dbe30a1483a152946cf401f042ef4d8b705;p=francis%2Fwinuae.git

Enable Cirrus Logic planar modes, support planar mode horizontal doubling.
---

diff --git a/pcem/vid_cl5429.cpp b/pcem/vid_cl5429.cpp
index bce75e85..acc145d5 100644
--- a/pcem/vid_cl5429.cpp
+++ b/pcem/vid_cl5429.cpp
@@ -2788,7 +2788,7 @@ static void *cl_init(int type, char *fn, int pci_card, uint32_t force_vram_size)
                 gd5429->pci_regs[0x33] = 0x00;
         }
 
-        gd5429->svga.fb_only = -1;
+        gd5429->svga.fb_only = 0;
         
         return gd5429;
 }
diff --git a/pcem/vid_svga.cpp b/pcem/vid_svga.cpp
index 1b322192..c2a55226 100644
--- a/pcem/vid_svga.cpp
+++ b/pcem/vid_svga.cpp
@@ -466,6 +466,10 @@ void svga_recalctimings(svga_t *svga)
 
         if (!text) {
             if (!svga->lowres) {
+                if (svga->render == svga_render_2bpp_lowres)
+                    svga->render = svga_render_2bpp_highres;
+                if (svga->render == svga_render_4bpp_lowres)
+                    svga->render = svga_render_4bpp_highres;
                 if (svga->render == svga_render_8bpp_lowres)
                     svga->render = svga_render_8bpp_highres;
                 if (svga->render == svga_render_15bpp_lowres)
@@ -479,6 +483,10 @@ void svga_recalctimings(svga_t *svga)
             }
 
             if (svga->horizontal_linedbl) {
+                if (svga->render == svga_render_2bpp_highres)
+                    svga->render = svga_render_2bpp_lowres;
+                if (svga->render == svga_render_4bpp_highres)
+                    svga->render = svga_render_4bpp_lowres;
                 if (svga->render == svga_render_8bpp_highres)
                     svga->render = svga_render_8bpp_lowres;
                 if (svga->render == svga_render_15bpp_highres)