Initial commit

1 files changed, 50 insertions, 0 deletions

diff --git a/sys/gio/imdkern/idk.com b/sys/gio/imdkern/idk.com
new file mode 100644
index 00000000..62e4eaf7
--- /dev/null
+++ b/sys/gio/imdkern/idk.com
@@ -0,0 +1,50 @@
+# IDK.COM -- The common for the IDK kernel.  A common is used here for maximum
+# efficiency (minimum indirection) when rasterizing vectors and encoding
+# metacode.  The maximum bitmap size is set at compile time in idk.h.
+
+# Booleans put here to avoid possible alignment problems.
+
+bool	mf_bitmap			# metafile type, metacode or bitmap
+bool	mf_rotate			# rotate (swap x and y)
+bool	mf_yflip			# flip y axis end for end
+bool	mf_update			# update bitmap
+bool	mf_delete			# delete metacode file after dispose
+bool	mf_debug			# print kernel debugging messages
+bool	mf_swap2			# swap every 2 bytes on output
+bool	mf_swap4			# swap every 4 bytes on output
+bool	mf_oneperfile			# store each frame in a new file
+
+common	/idkboo/ mf_bitmap, mf_rotate, mf_yflip, mf_update, mf_delete, mf_debug,
+	mf_swap2, mf_swap4, mf_oneperfile
+
+# Everything else goes here.
+
+int	mf_fd				# image descriptor of frame buffer
+int	mf_frame			# frame counter
+char	mf_fname[SZ_PATHNAME]		# metafile filename
+char	mf_dispose[SZ_OSCMD]		# host dispose command
+
+int	mf_op				# [MCODE] index into obuf
+short	mf_obuf[LEN_OBUF]		# metacode buffer
+
+int	mf_cx, mf_cy			# [BITMAPS] current pen position
+int	mf_nbpb				# packing factor, bits per byte
+int	mf_pxsize, mf_pysize		# physical x, y size of bitmap, bits
+int	mf_wxsize, mf_wysize		# x, y size of bitmap window, bits
+int	mf_xorigin, mf_yorigin		# origin of bitmap window
+real	mf_xscale, mf_yscale		# to convert from NDC to device coords
+int	mf_xmin, mf_xmax		# x clipping limits
+int	mf_ymin, mf_ymax		# y clipping limits
+int	mf_lenframe			# frame size, words
+int	mf_linewidth			# relative line width
+int	mf_lworigin			# device width of line size 1.0
+real	mf_lwslope			# device pixels per line size increment
+int	mf_fbuf[LEN_FBUF]		# frame buffer (BIG)
+int	mf_bitmask[BPW]			# bit mask table
+int	mf_color			# color index
+
+common	/idkcom/ mf_fd, mf_frame, mf_op, mf_cx, mf_cy, mf_nbpb, mf_pxsize,
+	mf_pysize, mf_wxsize, mf_wysize, mf_xorigin, mf_yorigin, mf_xscale,
+	mf_yscale, mf_xmin, mf_xmax, mf_ymin, mf_ymax, mf_lenframe,
+	mf_linewidth, mf_lworigin, mf_lwslope, mf_fbuf, mf_bitmask, mf_color,
+	mf_obuf, mf_fname, mf_dispose