2021-09-30 02:19:50 +00:00
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." powerpc-ofw-boot : Booting through OpenFirmware..." cr
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2022-01-01 20:23:00 +00:00
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2021-09-30 02:19:50 +00:00
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\ storing 0xBE for beige, 0x5A for mac99
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2021-09-30 14:59:48 +00:00
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\ cannot use superior, inferior, different symbols (bootinfo.txt)
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: sup - dup abs = ;
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: inf dup sup 1 + ;
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: diff = if 0 else -1 then ;
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: fba frame-buffer-adr ;
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: beige-vram 80000000 ; : mac99-vram 81000000 ;
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2022-01-01 20:23:00 +00:00
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: hardware-error ." Hardware not supported." cr ;
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: beige-message ." Beige hardware detected" cr ;
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: mac99-message ." mac99 hardware detected" cr ;
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: beige-magic-number 0BE ;
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: mac99-magic-number 05A ;
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: magic-number-offset 0 ;
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: width-offset 4 ;
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: height-offset 8 ;
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fba beige-vram = if beige-message beige-magic-number beige-vram c! then
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fba mac99-vram = if mac99-message mac99-magic-number mac99-vram c! then
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2022-01-01 03:21:12 +00:00
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2022-01-01 02:46:13 +00:00
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fba beige-vram = if screen-width 4 beige-vram + l! then
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fba beige-vram = if screen-height 8 beige-vram + l! then
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2021-09-30 14:59:48 +00:00
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2022-01-01 02:46:13 +00:00
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fba mac99-vram = if screen-width 4 mac99-vram + l! then
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fba mac99-vram = if screen-height 8 mac99-vram + l! then
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2022-01-01 20:23:00 +00:00
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." informations stored :" cr
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fba a dump
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2022-01-01 02:46:13 +00:00
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variable run
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-1 run !
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2022-01-01 20:23:00 +00:00
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fba beige-vram diff fba mac99-vram diff and if hardware-error 0 run ! then
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2021-09-30 14:59:48 +00:00
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run @ 0 = if 1 0 do 0 +loop then
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2022-01-01 13:20:19 +00:00
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." Running Game of Life: " cr
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2021-09-30 02:19:50 +00:00
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boot hd:,\boot\kernel.elf
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2022-01-01 02:46:13 +00:00
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