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collapseos/blk/299
Virgil Dupras 3068b58be5 Rename RAMSTART to SYSVARS
It's more descriptive this way. Also, I'll soon add a new HERESTART
config.
2020-06-28 18:49:30 -04:00

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PC ORG @ 1 + ! ( main )
( STACK OVERFLOW PROTECTION: See B76 )
SP PS_ADDR LDdn, IX RS_ADDR LDdn,
( HERE begins at RAMEND )
HL SYSVARS 0x80 + LDdn,
SYSVARS 0x04 + LD(n)HL, ( RAM+04 == HERE )
( LATEST is a label to the latest entry of the dict. It is
written at offset 0x08 by the process or person building
Forth. )
BIN( @ 0x08 + LDHL(n),
SYSVARS 0x02 ( CURRENT ) + LD(n)HL,
DE BIN( @ 0x04 ( BOOT ) + LDdd(n),
JR, L1 FWR ( execute, B301 )