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Author SHA1 Message Date
Virgil Dupras
1f94b6c3f7 zasm: can now match all "constant" primary opcodes 2019-04-16 20:32:30 -04:00
Virgil Dupras
fc0cdede55 Move print(n)str from core to shell 
These routines had hardcoded references to ACIA and didn't belong to the
core.
 2019-04-16 19:45:05 -04:00
Virgil Dupras
453cf3d74a zasm: start matching args 
We now properly match arg-less operations.
 2019-04-16 19:40:37 -04:00
Virgil Dupras
b3af6e0115 zasm: reuse code from core 2019-04-16 17:00:19 -04:00
Virgil Dupras
9acca52e44 zasm: begin parsing with easy pickings 
Single opcodes that yield constants. "echo ret | zasm" yields 0xc9.
 2019-04-16 16:49:47 -04:00
Virgil Dupras
88cee235b1 zasm: have a whole kernel in emulation instead of a simple wrapper 
zasm is going to need to call to kernel code...
 2019-04-16 14:26:45 -04:00
Virgil Dupras
43c1005d61 zasm: implement stdin/stdout in emulator 2019-04-16 13:59:19 -04:00
Virgil Dupras
1ae2331763 Add zasm app 
For now, only a dummy app, but it's emulated properly with libz80.
Exciting times!
 2019-04-16 13:36:57 -04:00
Virgil Dupras
ff99062d5b Move RC2014 recipe in its own folder 
Also, remove `parts/platforms`. It makes no sense. Only recipes make
sense.
 2019-04-16 11:50:16 -04:00
Virgil Dupras
6597e8a75a doc: add emulate section 2019-04-16 11:37:04 -04:00
Virgil Dupras
056de2b19d doc: add glue code section 2019-04-16 11:26:58 -04:00
Virgil Dupras
7060ee4dc5 Add Status section to README 2019-04-16 10:52:29 -04:00
Virgil Dupras
6c4489d2a3 Add blockdev doc 2019-04-16 10:40:51 -04:00
Virgil Dupras
21eb64f751 blockdev: remove one layer of indirection 
The approach used for shell extra commands also works for blockdev. Much
simpler and tighter this way.
 2019-04-16 10:17:25 -04:00
Virgil Dupras
a27da6f41a add mmap part 
This also introduces the "seek" shell command.
 2019-04-16 08:36:26 -04:00
Virgil Dupras
af13b0bd00 Code consolidation 2019-04-16 08:35:44 -04:00
Virgil Dupras
ce49fc15d0 blockdev: reorganize routine pointers 
Also, add dummy seek reoutine.
 2019-04-15 21:56:15 -04:00
Virgil Dupras
a5addc989c shell: rename seek to mptr 
going to use `seek` for block devices
 2019-04-15 20:42:12 -04:00
Virgil Dupras
c996da8ac8 shell: add error codes to cmds 2019-04-15 20:38:25 -04:00
Virgil Dupras
12c23f52e0 Add blockdev part 
Also, add the ability for parts to define extra shell commands.
 2019-04-15 16:53:11 -04:00
Virgil Dupras
4600b5299c shell: place cmd metadata next to the routine 
This will facilitate the inclusion of extra commands other parts might
want to define.
 2019-04-15 15:08:00 -04:00
Virgil Dupras
f571664853 Improve user guide 2019-04-15 13:24:20 -04:00
Virgil Dupras
9aae4ea040 Add user guide 2019-04-15 12:10:41 -04:00
Virgil Dupras
26b125b337 shell: add shellParseArgs 
Replaces individual command parsing. Quite a big and complex chunk of
code, but makes each command much simpler.
 2019-04-14 23:14:07 -04:00
Virgil Dupras
83f63c7146 shell: add call command 2019-04-14 17:01:28 -04:00
Virgil Dupras
e4c23b4270 shell: echo types letters right away 
Easier to use this way...
 2019-04-14 15:18:41 -04:00
Virgil Dupras
942ff37bf8 shell: implement load command 2019-04-14 14:53:16 -04:00
Virgil Dupras
461c09f1e5 Decouple shell from acia 2019-04-14 14:24:29 -04:00
Virgil Dupras
8ccddbcb0e Separate shell and acia input buffers 
They serve a different purpose. The goal of the ACIA buffer is to ensure
that we don't miss an input. The goal of the shell buffer is to wait
until the user presses return.

The ACIA buffer has been moved to shell and replaced with a circular
buffer, a more appropriate data structure for this kind of purpose.

Also, introduce `aciaGetC`.
 2019-04-14 14:04:31 -04:00
Virgil Dupras
902c6a5dd3 shell: add count arg to peek 
Also, fix seek reversed endianness.
 2019-04-14 11:54:18 -04:00
Virgil Dupras
e4e7db8e23 shell: cleanup 2019-04-14 11:22:45 -04:00
Virgil Dupras
21168f6c4e shell: implement seek and peek 
This introduces `core.asm` which includes routines used by other parts.
 2019-04-14 11:17:38 -04:00
Virgil Dupras
9580cc3994 shell: add "seek" and "peek" dummy commands 
This change introduces a command name matching algo.
 2019-04-13 22:39:28 -04:00
Virgil Dupras
6bb454232a Extract "acia.asm" from shell 
Also, come up with a way to make parts play well together memory-wise.
 2019-04-13 16:01:20 -04:00
Virgil Dupras
ac22a206ae shell: handle inputs with interrupts 2019-04-13 15:02:29 -04:00
Virgil Dupras
358c551bcc shell: add input routine 2019-04-12 21:28:50 -04:00
Virgil Dupras
89e4edfa52 Add parts/platforms 2019-04-12 15:53:05 -04:00
Virgil Dupras
7bf3e2f71e Let's get the ball rolling! 2019-04-12 15:16:12 -04:00
Virgil Dupras
503089a41c Initial commit 2019-03-06 14:28:56 -05:00