#------------------------------------------------------------------------------ # 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