1#------------------------------------------------------------------------------ 2# pc98: file(1) magic for the MSX Home Computer 3# v1.0 4# Fabio R. Schmidlin <sd-snatcher@users.sourceforge.net> 5 6# Maki-chan v1 Graphic format 7# 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 8# http://www.jisyo.com/viewer/faq/maki_tech.htm 90 string/b MAKI01 Maki-chan v1. 10>6 ubyte|0x20 x \b%c image 11>8 ubelong >0x40404040 \b, system ID: 12>>8 byte x %c 13>>9 byte x \b%c 14>>10 byte x \b%c 15>>11 byte x \b%c 16>44 ubeshort x \b, %dx 17>46 ubeshort x \b%d 18>38 ubeshort&2 0 \b, 16 paletted RGB colors 19>38 ubeshort&2 2 \b, 8 fixed RGB colors 20>38 ubeshort&1 1 \b, 2:1 dot aspect ratio 21 22# Maki-chan v2 Graphic format 23# http://www.jisyo.com/viewer/faq/mag_tech.htm 24# https://mooncore.eu/bunny/txt/makichan.htm 25# http://metanest.jp/mag/mag.xhtml 260 string/b MAKI02\ \ Maki-chan v2 image, 27>8 byte x system ID: %c 28>9 byte x \b%c 29>10 byte x \b%c 30>11 byte x \b%c, 31>13 search/0x200 \x1A 32#Maki-chan video modes are a bit messy and seems to have been expanded over the years without too much planing: 33#1) When offset1(ubeshort) !=0x0344: 34# 1.1) And offset3(ubyte).b7=0: 35# - b0=pixel aspect ratio: 1=2:1 (note: this ignores that the machine's 1:1 pixel aspect ratio isn't really 1:1) 36# - b1=number of colors: 0=16 colors, 1=8 colors 37# - b2=Palette or fixed colors flag (called "analog" and "digital" in the doc): 0=Paletted, 1=Fixed colors encoded directly in the pixel data 38# 1.2) And offset3(ubyte).B7=1: 39# - b0=256 paletted colors 40# - b1=256 fixed colors using the MSX SCR8 palette 41#2) When offset1(ubeshort) =0x0344: 42# - 256x212 image with 19268 YJK colors. The usual resolution and color information fields from the file must be ignored 43>>&1 ubeshort 0x0344 256x212, 19268 fixed YJK colors 44>>&1 ubeshort !0x0344 45>>>&5 uleshort+1 x %dx 46>>>&7 uleshort+1 x \b%d, 47>>>&0 ubyte&0x86 0x00 16 paletted RGB colors 48>>>&0 ubyte&0x86 0x02 8 paletted RGB colors 49>>>&0 ubyte&0x86 0x04 16 fixed RGB colors 50>>>&0 ubyte&0x86 0x06 8 fixed RGB colors 51>>>&0 ubyte&0x81 0x80 256 paletted RGB colors 52>>>&0 ubyte&0x81 0x81 256 fixed MSX-SCR8 colors 53>>>&0 ubyte&0x01 1 \b, 2:1 dot aspect ratio 54 55# XLD4 (Q4) picture 5611 string/b MAJYO XLD4(Q4) picture 57 58# Yanagisawa Pi picture 59#0 string Pi\x1A\0 Yanagisawa Pi picture 60#>3 search/0x200 \x04 610 string Pi 62>2 search/0x200 \x1A 63>>&0 ubyte 0 64>>>&3 ubyte 4 Yanagisawa Pi 16 color picture, 65>>>&4 byte x system ID: %c 66>>>&5 byte x \b%c 67>>>&6 byte x \b%c 68>>>&7 byte x \b%c, 69>>>&10 ubeshort x %dx 70>>>&12 ubeshort x \b%d 71>>>&3 ubyte 8 Yanagisawa Pi 256 color picture 72>>>&4 byte x system ID: %c 73>>>&5 byte x \b%c 74>>>&6 byte x \b%c 75>>>&7 byte x \b%c, 76>>>&10 ubeshort x %dx 77>>>&12 ubeshort x \b%d 78