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collapseos
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33 Commits

Author SHA1 Message Date
Virgil Dupras 289037a3dd lib/parse: make parseDecimal "tail" HL 
HL, instead of being preserved, is set to the character following
the last read character.
 2019-12-30 10:13:55 -05:00
Virgil Dupras 6d88c3a754 parseExprDE --> parseExpr 2019-12-23 19:13:44 -05:00
Virgil Dupras cc754e12aa parseExpr --> parseExprDE: easy ones 
Those replacements were trivially equivalent. For the other ones, an
examination of the context is necessary.
 2019-12-23 15:59:55 -05:00
Virgil Dupras 3db38b0d89 basic: add while command 2019-12-12 11:17:10 -05:00
Virgil Dupras 51c977f2ed basic: allow multiple commands on the same line 2019-12-12 10:51:13 -05:00
Virgil Dupras 25d25d017c Replace old shell with BASIC shell 
fixes #80
 2019-12-11 14:05:34 -05:00
Virgil Dupras beaea6f978 basic: add puth command 2019-12-09 14:34:14 -05:00
Virgil Dupras 4c07639808 basic: make cmd table more compact 
This shaves off quite a few bytes from the binary.
 2019-11-30 21:36:34 -05:00
Virgil Dupras 4ba84dac5c basic: add getc/putc commands 2019-11-30 21:13:44 -05:00
Virgil Dupras 77485a0031 basic: change welcome prompt 
This is becoming the new shell, it has to step up to its new responsibilities!
 2019-11-30 20:50:34 -05:00
Virgil Dupras fc23a7c4a1 basic: do registers-to-vars transfer after pgm hook call 2019-11-25 23:16:15 -05:00
Virgil Dupras a0daed6812 basic: add usr command 2019-11-24 21:07:03 -05:00
Virgil Dupras 8f1d942e5f basic: add addr command 2019-11-24 15:39:36 -05:00
Virgil Dupras 381d57a513 basic: make variable A the only input variable 
Mechanism for assigning inputs to the specified variable is clumsy and uses
binary space. Always using A is much simpler and doesn't seem very limiting to
me. I do that because there's many more "input" commands I'd like to add.
 2019-11-24 14:55:50 -05:00
Virgil Dupras e1df320d44 basic: add ldbas command 2019-11-24 14:26:32 -05:00
Virgil Dupras 13f935aa88 basic: add fls command 
Also, add the new `bshell` emulated tool. BASIC is on its way to replace the
shell.
 2019-11-24 10:24:15 -05:00
Virgil Dupras b7d4860acf basic: add in/out commands 
Also, fixed the cmd matching algo to not accept partial matches. For example,
to stop matching "input" when the command was "in".
 2019-11-23 20:38:56 -05:00
Virgil Dupras 7761cebb0a basic: add sleep command 
also fix broken "peek"
 2019-11-23 17:07:14 -05:00
Virgil Dupras 9602f9b983 basic: add peek/poke/deek/doke commands 2019-11-23 16:09:34 -05:00
Virgil Dupras a680fd3328 basic: add support for signed integers 2019-11-23 14:56:23 -05:00
Virgil Dupras e17dc1e1e1 basic: add input command 2019-11-21 20:17:55 -05:00
Virgil Dupras 982d20f895 basic: allow printing of quoted strings 2019-11-21 19:56:51 -05:00
Virgil Dupras 7262993f14 basic: add if 2019-11-21 16:06:14 -05:00
Virgil Dupras 3f3dd9141e basic: allow multiple args in print 2019-11-20 21:02:11 -05:00
Virgil Dupras 9c400ca642 basic: add goto 
Things are getting super cereal...
 2019-11-20 15:45:53 -05:00
Virgil Dupras 9d6cbe577c basic: add variables 
Things are getting cereal...
 2019-11-20 15:10:00 -05:00
Virgil Dupras 9c9484fb88 basic: add run command 2019-11-20 10:49:23 -05:00
Virgil Dupras 62138b12cf basic: add buffer line index 2019-11-19 20:43:01 -05:00
Virgil Dupras 4c6de413df basic: begin implementing a line buffer 2019-11-19 15:14:04 -05:00
Virgil Dupras f5b04fc02f basic: add expression support to print 
Again, same thing as in zasm.
 2019-11-18 15:52:44 -05:00
Virgil Dupras 0bd58fd178 basic: parse hex, binary and char literals 
Same thing as in zasm.
 2019-11-18 15:22:09 -05:00
Virgil Dupras 1cea6e71e0 basic: add a print cmd 
It can only print a decimal literal. But still, that's a big step because
I hadn't implemented decimal formatting yet.
 2019-11-18 13:40:23 -05:00
Virgil Dupras f3992ed598 basic: begin an implementation from sratch 
Let's see where it will lead us...
 2019-11-13 15:28:16 -05:00