diff --git a/utils/gr-utils/dgr2png.c b/utils/gr-utils/dgr2png.c
new file mode 100644
index 00000000..122e3350
--- /dev/null
+++ b/utils/gr-utils/dgr2png.c
@@ -0,0 +1,187 @@
+/* Take two Apple II 40x48 15-color graphics images (MAIN and AUX) */
+/* and make a png file */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <png.h>
+
+#define PAL_LENGTH	16	// PNG_MAX_PALETTE_LENGTH
+
+static int gr_offsets[24]={
+        0x400-0x400,0x480-0x400,0x500-0x400,0x580-0x400,0x600-0x400,0x680-0x400,0x700-0x400,0x780-0x400,
+        0x428-0x400,0x4A8-0x400,0x528-0x400,0x5A8-0x400,0x628-0x400,0x6A8-0x400,0x728-0x400,0x7A8-0x400,
+        0x450-0x400,0x4D0-0x400,0x550-0x400,0x5D0-0x400,0x650-0x400,0x6D0-0x400,0x750-0x400,0x7D0-0x400,
+};
+
+int main(int argc, char **argv) {
+
+	int fd;
+	char filename[256];
+	char main_screen[1024];
+	char aux_screen[1024];
+	FILE *output;
+	int width=80,height=48,y,x;
+	png_byte color_type=PNG_COLOR_TYPE_PALETTE;
+	png_byte bit_depth=8;
+
+	png_structp png_ptr;
+	png_infop info_ptr;
+//	int number_of_passes;
+	png_bytep *row_pointers;
+	png_colorp palette;
+	png_color *col;
+
+	if (argc<2) {
+		fprintf(stderr,"Usage: gr2png MAIN AUX OUTPUT\n");
+		fprintf(stderr,"  where MAIN/AUX are 1k AppleII LORES image\n\n");
+		return -1;
+	}
+
+	if (argc<3) {
+		sprintf(filename,"%s.png",argv[1]);
+	}
+	else {
+		strncpy(filename,argv[3],256-1);
+	}
+
+	fd=open(argv[1],O_RDONLY);
+	if (fd<0) {
+		printf("Error opening %s! %s\n",argv[1],strerror(errno));
+		return -1;
+	}
+	read(fd,main_screen,1024);
+	close(fd);
+
+	fd=open(argv[2],O_RDONLY);
+	if (fd<0) {
+		printf("Error opening %s! %s\n",argv[2],strerror(errno));
+		return -1;
+	}
+	read(fd,aux_screen,1024);
+	close(fd);
+
+
+
+	output = fopen(filename, "wb");
+	if (output==NULL) {
+		printf("Error opening %s, %s\n",filename,strerror(errno));
+		return -1;
+	}
+
+	/* initialize */
+	png_ptr = png_create_write_struct(
+			PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+
+        if (png_ptr==NULL) {
+		fprintf(stderr,"Error!  png_create_write_struct() failed\n");
+		return -1;
+	}
+
+        info_ptr = png_create_info_struct(png_ptr);
+        if (info_ptr==NULL) {
+		fprintf(stderr,"Error!  png_create_info_struct() failed\n");
+		return -1;
+	}
+
+//	setjmp(png_jmpbuf(png_ptr));
+
+	png_init_io(png_ptr, output);
+
+        /* write header */
+//	setjmp(png_jmpbuf(png_ptr));
+
+	png_set_IHDR(png_ptr, info_ptr, width, height,
+			bit_depth, color_type, PNG_INTERLACE_NONE,
+			PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
+
+//	png_write_info(png_ptr, info_ptr);
+
+	/* set palette */
+	palette = (png_colorp)png_malloc(png_ptr,
+		PAL_LENGTH * (sizeof (png_color)));
+
+	/* 0: black */
+	col=&palette[0]; col->red=0x00; col->green=0x00; col->blue=0x00;
+	/* 1: magenta */
+	col=&palette[1]; col->red=0xe3; col->green=0x1e; col->blue=0x60;
+	/* 2: dark blue */
+	col=&palette[2]; col->red=0x60; col->green=0x4e; col->blue=0xbd;
+	/* 3: purple */
+	col=&palette[3]; col->red=0xff; col->green=0x44; col->blue=0xfd;
+	/* 4: dark green */
+	col=&palette[4]; col->red=0x00; col->green=0xa3; col->blue=0x60;
+	/* 5: grey 1 */
+	col=&palette[5]; col->red=0x9c; col->green=0x9c; col->blue=0x9c;
+	/* 6: medium blue */
+	col=&palette[6]; col->red=0x14; col->green=0xcf; col->blue=0xfd;
+	/* 7: light blue */
+	col=&palette[7]; col->red=0xd0; col->green=0xc3; col->blue=0xff;
+	/* 8: brown */
+	col=&palette[8]; col->red=0x60; col->green=0x72; col->blue=0x03;
+	/* 9: orange */
+	col=&palette[9]; col->red=0xff; col->green=0x6a; col->blue=0x3c;
+	/* 10: gray 2 */
+	col=&palette[10]; col->red=0x9d; col->green=0x9d; col->blue=0x9d;
+	/* 11: pink */
+	col=&palette[11]; col->red=0xff; col->green=0xa0; col->blue=0xd0;
+	/* 12: bright green */
+	col=&palette[12]; col->red=0x14; col->green=0xf5; col->blue=0x3c;
+	/* 13: yellow */
+	col=&palette[13]; col->red=0xd0; col->green=0xdd; col->blue=0x8d;
+	/* 14: aqua */
+	col=&palette[14]; col->red=0x72; col->green=0xff; col->blue=0xd0;
+	/* 15: white */
+	col=&palette[15]; col->red=0xff; col->green=0xff; col->blue=0xff;
+
+	/* ... Set palette colors ... */
+	png_set_PLTE(png_ptr, info_ptr, palette, PAL_LENGTH);
+
+	png_write_info(png_ptr, info_ptr);
+
+
+
+	row_pointers = (png_bytep*)malloc(sizeof(png_bytep) * height);
+
+	for(y=0;y<height;y++) {
+		row_pointers[y]=malloc(width);
+	}
+
+	/*********************************************/
+	/* do the actual conversion                  */
+	/*********************************************/
+	int color1,color2;
+
+	for(y=0;y<height/2;y++) {
+		for(x=0;x<40;x++) {
+			color1=(aux_screen[gr_offsets[y]+x])&0xf;
+			row_pointers[y*2][x*2]=color1;
+			color2=(main_screen[gr_offsets[y]+x])&0xf;
+			row_pointers[y*2][(x*2)+1]=color2;
+
+			color1=((aux_screen[gr_offsets[y]+x])>>4)&0xf;
+			row_pointers[(y*2)+1][x*2]=color1;
+			color2=((main_screen[gr_offsets[y]+x])>>4)&0xf;
+			row_pointers[(y*2)+1][(x*2)+1]=color2;
+		}
+	}
+
+        png_write_image(png_ptr, row_pointers);
+
+
+	png_write_end(png_ptr, NULL);
+
+	/* cleanup heap allocation */
+	for (y=0; y<height; y++) {
+		free(row_pointers[y]);
+	}
+	free(row_pointers);
+
+	fclose(output);
+
+	return 0;
+}