2020-04-15 04:25:14 +10:00
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Initialization sequence
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2020-05-14 04:19:54 +10:00
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On boot, we jump to the "main" routine in B289 which does
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2020-04-15 04:25:14 +10:00
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very few things.
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2020-05-14 04:19:54 +10:00
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1. Set SP to PS_ADDR and IX to RS_ADDR
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2020-04-15 04:25:14 +10:00
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2. Sets HERE to RAMEND (RAMSTART+0x80).
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3. Sets CURRENT to value of LATEST field in stable ABI.
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4. Look for the word "BOOT" and calls it.
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2020-05-14 04:19:54 +10:00
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In a normal system, BOOT is in xcomp core (B411) and does a
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few things:
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2020-04-15 04:25:14 +10:00
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2020-05-14 04:19:54 +10:00
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1. Initialize all overrides to 0.
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2. Write LATEST in BOOT C< PTR ( see below )
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3. Set "C<*", the word that C< calls to (boot<). (cont.)
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