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7 Commits

Author SHA1 Message Date
Virgil Dupras
c4db9d4420 8086: implement stack overflow error condition 
Also, remove RSP underflow check from next for the same reason as
in the previous commit in z80.
 2020-08-08 10:18:43 -04:00
Virgil Dupras
f2f520cacc Extract (br), (?br) and (loop)'s code out of stable ABI zone 
There is now no more actual code in stable ABI, only references.
This makes refactoring of this code much easier. For example,
changing IY to BC as the IP register.
 2020-07-05 14:57:18 -04:00
Virgil Dupras
daeb3b3c69 Extract (n) code from stable ABI 2020-07-05 14:16:24 -04:00
Virgil Dupras
5705cd5c31 Extract EXIT code from stable ABI zone 2020-07-05 13:41:12 -04:00
Virgil Dupras
4a91ee5c9c Extract (s) code from stable ABI zone 
Only its jump addr remains.
 2020-07-05 08:54:22 -04:00
Virgil Dupras
650481f849 z80/8086: extract 2>R code from stable ABI zone 
Only its jump at 0x33 remains.

I've also fixed a strange offset oddity in 8086's (n) placement.
It was off by 2, but strangely, it ran properly. Anyway, now it's
fixed.
 2020-07-05 08:03:15 -04:00
Virgil Dupras
94ed01086a pcat: move drivers and xcomp to blkfs 2020-06-22 14:21:25 -04:00