new file mode 100644
--- /dev/null
+++ b/packages/services/gfx/mw/current/src/drivers/genmem.c
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2000, 2001 Greg Haerr <greg@censoft.com>
+ *
+ * Screen Driver Utilities
+ * 
+ * Microwindows memory device routines
+ */
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "device.h"
+#include "fb.h"
+#include "genmem.h"
+
+/* allocate a memory screen device*/
+PSD 
+gen_allocatememgc(PSD psd)
+{
+	PSD	mempsd;
+
+	/* if driver doesn't have blit, fail*/
+	if((psd->flags & PSF_HAVEBLIT) == 0)
+		return NULL;
+
+	mempsd = malloc(sizeof(SCREENDEVICE));
+	if (!mempsd)
+		return NULL;
+
+	/* copy passed device get initial values*/
+	*mempsd = *psd;
+
+	/* initialize*/
+	mempsd->flags |= PSF_MEMORY;
+	mempsd->flags &= ~PSF_SCREEN;
+	mempsd->addr = NULL;
+
+	return mempsd;
+}
+
+/* initialize memory device with passed parms*/
+void
+initmemgc(PSD mempsd,MWCOORD w,MWCOORD h,int planes,int bpp,int linelen,
+	int size,void *addr)
+{
+	assert(mempsd->flags & PSF_MEMORY);
+
+	/* create mem psd w/h aligned with hw screen w/h*/
+	if (mempsd->portrait & (MWPORTRAIT_LEFT|MWPORTRAIT_RIGHT)) {
+		mempsd->yres = w;
+		mempsd->xres = h;
+	} else {
+		mempsd->xres = w;
+		mempsd->yres = h;		
+	}
+	mempsd->xvirtres = w;
+	mempsd->yvirtres = h;
+	mempsd->planes = planes;
+	mempsd->bpp = bpp;
+	mempsd->linelen = linelen;
+	mempsd->size = size;
+	mempsd->addr = addr;
+}
+
+void
+gen_freememgc(PSD mempsd)
+{
+	assert(mempsd->flags & PSF_MEMORY);
+
+	/* note: mempsd->addr must be freed elsewhere*/
+
+	free(mempsd);
+}
+
+void
+gen_fillrect(PSD psd,MWCOORD x1, MWCOORD y1, MWCOORD x2, MWCOORD y2,
+	MWPIXELVAL c)
+{
+	while(y1 <= y2)
+		psd->DrawHorzLine(psd, x1, x2, y1++, c);
+}
+
+/*
+ * Set subdriver entry points in screen device
+ * Initialize subdriver if init flag is TRUE
+ * Return 0 on fail
+ */
+MWBOOL
+set_subdriver(PSD psd, PSUBDRIVER subdriver, MWBOOL init)
+{
+	/* set subdriver entry points in screen driver*/
+	psd->DrawPixel 		= subdriver->DrawPixel;
+	psd->ReadPixel 		= subdriver->ReadPixel;
+	psd->DrawHorzLine 	= subdriver->DrawHorzLine;
+	psd->DrawVertLine 	= subdriver->DrawVertLine;
+	psd->FillRect	 	= subdriver->FillRect;
+	psd->Blit 		= subdriver->Blit;
+	psd->DrawArea 		= subdriver->DrawArea;
+	psd->StretchBlit 	= subdriver->StretchBlit;
+
+	/* call driver init procedure to calc map size and linelen*/
+	if (init && !subdriver->Init(psd))
+		return 0;
+	return 1;
+}
+
+/* fill in a subdriver struct from passed screen device*/
+void
+get_subdriver(PSD psd, PSUBDRIVER subdriver)
+{
+	/* set subdriver entry points in screen driver*/
+	subdriver->DrawPixel 		= psd->DrawPixel;
+	subdriver->ReadPixel 		= psd->ReadPixel;
+	subdriver->DrawHorzLine 	= psd->DrawHorzLine;
+	subdriver->DrawVertLine 	= psd->DrawVertLine;
+	subdriver->FillRect	 	= psd->FillRect;
+	subdriver->Blit 		= psd->Blit;
+	subdriver->DrawArea 		= psd->DrawArea;
+	subdriver->StretchBlit 		= psd->StretchBlit;
+}