collapseos/blk/284
Virgil Dupras b9fb6a6226 z80: move boot code around
Bring native words together, make the next/exec/does/compiled
cluster be at the beginning.

Next step: bring find code into _find word.
2020-07-05 22:23:40 -04:00

15 lines
461 B
Plaintext

PC ORG @ 1 + ! ( main )
( STACK OVERFLOW PROTECTION: See B76 )
SP PS_ADDR LDdn, IX RS_ADDR LDdn,
( 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,
HERESTART [IF]
HL HERESTART LDdn,
[THEN]
SYSVARS 0x04 + LD(n)HL, ( RAM+04 == HERE )
DE BIN( @ 0x04 ( BOOT ) + LDdd(n),
JR, L1 FWR ( execute, B287 )