Virgil Dupras
7ace3032ef
zasm: complete mnemonic argspecs harmonization
2020-08-15 08:11:48 -04:00
Virgil Dupras
5adbf88591
z80: move lbluflw code around
...
with uflw checks not being in next anymore, we can save ourselves
a forward jump.
2020-08-08 08:19:31 -04:00
Virgil Dupras
bf4ab0f1b4
z80: protect or avoid BC wherever it's used
...
For the IY->BC move, of course.
2020-07-05 23:12:17 -04:00
Virgil Dupras
440ea43a88
z80a: make mnemonic names more uniform across assemblers
...
Initially, I used the same letters as those used in the z80 ref
docs, but it makes the different assemblers harder to use than they
should. Having consistent "argtype" rules across assemblers should
help.
2020-06-27 22:01:56 -04:00
Virgil Dupras
2d9a07d215
blkunpack: don't include trailing empty lines
...
This was becoming heavy to manage.
2020-06-23 06:52:34 -04:00
Virgil Dupras
eba83fa9a9
z80: use named labels for boot routines
...
The usage of numerotated labels for this was becoming severly
confusing.
2020-06-18 07:16:40 -04:00
Virgil Dupras
f6ded7712e
VE: add 't'
...
This is the first commit I do entirely in VE. It's a habit I'm planning
on taking as it helps a lot to find usability issues.
2020-06-11 18:12:01 -04:00
Virgil Dupras
d041b91846
Optimize chkPS
...
Use EXX instead of the stack for HL protection and remove all
spurious uses of chkPS,
I wanted to inline chkPS in next because of its "tight loop" status,
but for reasons I don't understand, doing so breaks Collapse OS.
Later...
2020-05-22 23:12:03 -04:00
Virgil Dupras
da371451cc
Replace INITIAL_SP with PS_ADDR conf
...
Now I struggle to remember why I ever did things they way I did.
There must have been a reason...
2020-05-11 21:08:24 -04:00
Virgil Dupras
503dbe9a2c
Copy boot.z80 to blkfs
2020-04-22 21:19:12 -04:00
