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collapseos/blk/456
Virgil Dupras 25a35cf28e Move 8086 boot code from B800 to B440
That slims down blkfs a lot.
2020-09-21 20:09:42 -04:00

16 lines
411 B
Plaintext

CODE XOR 2 chkPS,
AX POPx, BX POPx, AX BX XORxx, AX PUSHx, ;CODE
CODE NOT 1 chkPS,
AX POPx, AX AX ORxx,
IFNZ, AX -1 MOVxI, THEN, AX INCx, AX PUSHx,
;CODE
CODE + 2 chkPS,
AX POPx, BX POPx, AX BX ADDxx, AX PUSHx, ;CODE
CODE - 2 chkPS,
BX POPx, AX POPx, AX BX SUBxx, AX PUSHx, ;CODE
CODE * 2 chkPS,
AX POPx, BX POPx,
DX PUSHx, ( protect from MUL ) BX MULx, DX POPx,
AX PUSHx,
;CODE