29 lines
857 B
Scheme
29 lines
857 B
Scheme
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(define-structures ((vm-utilities vm-utilities-interface))
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(open pre-scheme)
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(files vm-utilities)
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(begin
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(define-syntax assert
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(lambda (exp rename compare)
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0))
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))
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(define-structures ((external external-interface))
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(open pre-scheme)
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(begin
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(define extended-vm (external (=> (int32 int32) int32) #f))
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(define lookup-external-name (external (=> (int32 int32) boolean) #f))
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(define ps-schedule-interrupt (external (=> (int32) int32) #f))
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(define ps-real-time (external (=> () int32) #f))
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(define ps-run-time (external (=> () int32) #f))
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(define ps-ticks-per-second (external (=> () int32) #f))))
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; The number of usable bits in a small integer.
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(define-structures ((system-spec (export useful-bits-per-word)))
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(open pre-scheme)
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(begin
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(define useful-bits-per-word 32) ; when compiled
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))
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