2021-08-16 02:40:47 +00:00
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(import-macros {:sss ! : compile} :ssc.macros)
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#(compile $1
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(start-symbol boot)
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2021-08-20 03:51:12 +00:00
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(org 0x1000)
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2021-08-16 02:40:47 +00:00
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(require ssc.iigs.toolbox)
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2021-08-20 03:51:12 +00:00
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(require ssc.task)
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2021-08-16 02:40:47 +00:00
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(global word BootUserID)
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(global long BootHandle-00)
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(global long BootHandle-01)
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(global long BootHandle-e0)
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(global long BootHandle-e1)
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(fn boot ()
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(asm (clc) (xce) (rep 0x30)) ; disable emulation mode, 16-bit index registers
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2021-08-21 02:29:21 +00:00
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(save-dp-sp 0x0800)
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2021-08-20 03:51:12 +00:00
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(set-task-base 0x0800) ; space for 8 tasks
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2021-08-21 02:29:21 +00:00
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(save-6502-stack)
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2021-08-16 02:40:47 +00:00
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; http://www.1000bit.it/support/manuali/apple/technotes/pdos/tn.pdos.27.html
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; When bootstrapping with no OS, we must reserve
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(TLStartUp)
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(LoadOneTool ToolsetMisc 0x0100)
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(MTStartUp)
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(set! BootUserID (GetNewID 0x1f00))
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(LoadOneTool ToolsetMemoryManager 0x0100)
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(set! BootHandle-00 (NewHandle 0xb800 BootUserID 0xb017 0x000800))
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(set! BootHandle-01 (NewHandle 0xb800 BootUserID 0xb017 0x010800))
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(set! BootHandle-e0 (NewHandle 0x4000 BootUserID 0xb017 0xe02000))
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(set! BootHandle-e1 (NewHandle 0x8000 BootUserID 0xb017 0xe12000))
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(asm (jsr [(or $2 :main)]))
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(DisposeHandle BootHandle-e1)
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(DisposeHandle BootHandle-e0)
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(DisposeHandle BootHandle-01)
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(DisposeHandle BootHandle-00)
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(DeleteID BootUserID)
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(MTShutDown)
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2021-08-20 03:51:12 +00:00
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2021-08-21 02:29:21 +00:00
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(restore-6502-stack)
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2021-08-20 03:51:12 +00:00
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(restore-dp-sp)
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2021-08-16 02:40:47 +00:00
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(asm (sec) (xce)) ; re-enter emulation mode
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))
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