collapseos/blk/286

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lblnext BSET PC ORG @ 0x1b + ! ( next )
( This routine is jumped to at the end of every word. In it,
we jump to current IP, but we also take care of increasing
it by 2 before jumping. )
( Before we continue: are we overflowing? )
IX PUSH, EX(SP)HL, ( do EX to count the IX push in SP )
SP SUBHLd, HL POP,
IFNC, ( SP <= IX? overflow )
SP PS_ADDR LDdi, IX RS_ADDR LDdi,
DE BIN( @ 0x13 ( oflw ) + LDd(i),
JR, L2 FWR ( execute, B287 )
THEN,
LDA(BC), E A LDrr, BC INCd,
LDA(BC), D A LDrr, BC INCd,
( continue to execute )