." powerpc-ofw-boot : Booting through OpenFirmware..." cr
\ storing 0xBE for beige, 0x5A for mac99
\ cannot use superior, inferior, different symbols (bootinfo.txt)
: sup - dup abs = ;
: inf dup sup 1 + ; 
: diff = if 0 else -1 then ;
: fba frame-buffer-adr ;
: beige-vram 80000000 ; : mac99-vram 81000000 ;
: hardware-error ." Hardware not supported." cr ;
: beige-message  ." Beige hardware detected" cr ;
: mac99-message  ." mac99 hardware detected" cr ;
: beige-magic-number 0BE ;
: mac99-magic-number 05A ;
: magic-number-offset 0 ;
: width-offset 4 ;
: height-offset 8 ;
fba beige-vram = if beige-message beige-magic-number beige-vram c! then 
fba mac99-vram = if mac99-message mac99-magic-number mac99-vram c! then
fba beige-vram = if screen-width  4 beige-vram + l! then
fba beige-vram = if screen-height 8 beige-vram + l! then
fba mac99-vram = if screen-width  4 mac99-vram + l! then
fba mac99-vram = if screen-height 8 mac99-vram + l! then
." informations stored :" cr
fba a dump
variable run
-1 run !
fba beige-vram diff fba mac99-vram diff and if hardware-error 0 run ! then
run @ 0 = if 1 0 do 0 +loop then
." Running Game of Life: " cr
boot hd:,\boot\kernel.elf