add new retro-computing magic

diff --git a/magic/Magdir/pc88 b/magic/Magdir/pc88
new file mode 100644 (file)
index 0000000..e604a3b
--- /dev/null
+++ b/magic/Magdir/pc88
@@ -0,0 +1,24 @@
+#------------------------------------------------------------------------------
+# pc88:  file(1) magic for the NEC Home Computer
+# v1.0
+# Fabio R. Schmidlin <sd-snatcher@users.sourceforge.net>
+
+# PC88 2D disk image
+0x20           ulelong&0xFFFFFEFF      0x2A0
+>0x10          string          \0\0\0\0\0\0\0\0\0\0
+>>0x280                string          \0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
+>>>0x1A                ubyte&0xEF      0
+>>>>0x1B       ubyte&0x8F      0
+>>>>>0x1B      ubyte&70        <0x40   
+>>>>>>0x1C     ulelong >0x21
+>>>>>>>0               regex   [[:print:]]*    NEC PC-88 disk image, name=%s
+>>>>>>>>0x1B   ubyte   0       \b, media=2D
+>>>>>>>>0x1B   ubyte   0x10    \b, media=2DD
+>>>>>>>>0x1B   ubyte   0x20    \b, media=2HD
+>>>>>>>>0x1B   ubyte   0x30    \b, media=1D
+>>>>>>>>0x1B   ubyte   0x40    \b, media=1DD
+>>>>>>>>0x1A   ubyte   0x10    \b, write-protected
+
+
+
+

diff --git a/magic/Magdir/pc98 b/magic/Magdir/pc98
new file mode 100644 (file)
index 0000000..30f1ea3
--- /dev/null
+++ b/magic/Magdir/pc98
@@ -0,0 +1,77 @@
+#------------------------------------------------------------------------------
+# pc98:  file(1) magic for the MSX Home Computer
+# v1.0
+# Fabio R. Schmidlin <sd-snatcher@users.sourceforge.net>
+
+# Maki-chan v1 Graphic format
+# The image resolution should be X=(44.L - 40.L) and Y=(46.L - 42.L), but I couldn't find a way to do so
+# http://www.jisyo.com/viewer/faq/maki_tech.htm
+0      string/b                MAKI01  Maki-chan v1.
+>6     ubyte|0x20      x               \b%c image
+>8     ubelong         >0x40404040     \b, system ID: 
+>>8    byte            x               %c
+>>9    byte            x               \b%c
+>>10   byte            x               \b%c
+>>11   byte            x               \b%c
+>44    ubeshort        x               \b, %dx
+>46    ubeshort        x               \b%d
+>38    ubeshort&2      0               \b, 16 paletted RGB colors
+>38    ubeshort&2      2               \b, 8 fixed RGB colors
+>38    ubeshort&1      1               \b, 2:1 dot aspect ratio
+
+# Maki-chan v2 Graphic format
+# http://www.jisyo.com/viewer/faq/mag_tech.htm
+# http://mooncore.eu/bunny/txt/makichan.htm
+# http://metanest.jp/mag/mag.xhtml
+0      string/b                MAKI02\ \       Maki-chan v2 image,
+>8     byte            x               system ID: %c
+>9     byte            x               \b%c
+>10    byte            x               \b%c
+>11    byte            x               \b%c,
+>13    search/0x200    \x1A
+#Maki-chan video modes are a bit messy and seems to have been expanded over the years without too much planing:
+#1) When offset1(ubeshort) !=0x0344:
+# 1.1) And  offset3(ubyte).b7=0:
+# - b0=pixel aspect ratio: 1=2:1   (note: this ignores that the machine's 1:1 pixel aspect ratio isn't really 1:1)
+# - b1=number of colors: 0=16 colors, 1=8 colors
+# - b2=Palette or fixed colors flag (called "analog" and "digital" in the doc): 0=Paletted, 1=Fixed colors encoded directly in the pixel data
+# 1.2) And  offset3(ubyte).B7=1:
+# - b0=256 paletted colors
+# - b1=256 fixed colors using the MSX SCR8 palette
+#2) When offset1(ubeshort) =0x0344:
+# - 256x212 image with 19268 YJK colors. The usual resolution and color information fields from the file must be ignored
+>>&1   ubeshort        0x0344          256x212, 19268 fixed YJK colors
+>>&1   ubeshort        !0x0344
+>>>&5  uleshort+1      x               %dx
+>>>&7  uleshort+1      x               \b%d,
+>>>&0  ubyte&0x86      0x00            16 paletted RGB colors
+>>>&0  ubyte&0x86      0x02            8 paletted RGB colors
+>>>&0  ubyte&0x86      0x04            16 fixed RGB colors
+>>>&0  ubyte&0x86      0x06            8 fixed RGB colors
+>>>&0  ubyte&0x81      0x80            256 paletted RGB colors
+>>>&0  ubyte&0x81      0x81            256 fixed MSX-SCR8 colors
+>>>&0  ubyte&0x01      1               \b, 2:1 dot aspect ratio
+
+# XLD4 (Q4) picture
+11     string/b        MAJYO           XLD4(Q4) picture
+
+# Yanagisawa Pi picture
+#0     string          Pi\x1A\0        Yanagisawa Pi picture
+#>3    search/0x200    \x04
+0      string          Pi
+>2     search/0x200    \x1A
+>>&0   ubyte           0
+>>>&3  ubyte           4               Yanagisawa Pi 16 color picture,
+>>>&4  byte            x               system ID: %c
+>>>&5  byte            x               \b%c
+>>>&6  byte            x               \b%c
+>>>&7  byte            x               \b%c,
+>>>&10 ubeshort        x               %dx
+>>>&12 ubeshort        x               \b%d
+>>>&3  ubyte           8               Yanagisawa Pi 256 color picture
+>>>&4  byte            x               system ID: %c
+>>>&5  byte            x               \b%c
+>>>&6  byte            x               \b%c
+>>>&7  byte            x               \b%c,
+>>>&10 ubeshort        x               %dx
+>>>&12 ubeshort        x               \b%d

diff --git a/magic/Magdir/x68000 b/magic/Magdir/x68000
new file mode 100644 (file)
index 0000000..927b96d
--- /dev/null
+++ b/magic/Magdir/x68000
@@ -0,0 +1,25 @@
+#------------------------------------------------------------------------------
+# x68000:  file(1) magic for the Sharp Home Computer
+# v1.0
+# Fabio R. Schmidlin <sd-snatcher@users.sourceforge.net>
+
+# Yanagisawa PIC picture
+0      string          PIC
+>3     search/0x200    \x1A
+>>&0   search/0x200    \x0
+>>>&0  ubyte           0               Yanagisawa PIC image file,
+>>>>&0 ubyte&15        0               model: X68000,
+>>>>&0 ubyte&15        1               model: PC-88VA,
+>>>>&0 ubyte&15        2               model: FM-TOWNS,
+>>>>&0 ubyte&15        3               model: MAC,
+>>>>&0 ubyte&15        15              model: Generic,
+>>>>&3 ubeshort        x               %dx
+>>>>&5 ubeshort        x               \b%d,
+>>>>&1 ubeshort        4               colors: 16
+>>>>&1 ubeshort        8               colors: 256
+>>>>&1 ubeshort        12              colors: 4096
+>>>>&1 ubeshort        15              colors: 32768
+>>>>&1 ubeshort        16              colors: 65536
+>>>>&1 ubeshort        >16             colors: %d-bit
+
+