 Paul Gardner-Stephen
|
86a579e91c
|
don't corrupt Y register in iec_wait60ns
|
2019-05-01 22:45:02 +09:30 |
|
|
Paul Gardner-Stephen
|
568bbb1cb2
|
fix iec_release_clk to release correct bit
|
2019-05-01 22:44:29 +09:30 |
|
|
Paul Gardner-Stephen
|
3a8200d66d
|
IEC serial bytes have 8 bits, not 9. Fix logic to count 8 bits on TX
|
2019-05-01 22:16:33 +09:30 |
|
|
Paul Gardner-Stephen
|
7caae74955
|
move debug code for testing IEC bus
|
2019-05-01 22:12:33 +09:30 |
|
|
Paul Gardner-Stephen
|
9f0880ed7e
|
fix sense of DATA line reading.
|
2019-05-01 22:11:17 +09:30 |
|
|
Paul Gardner-Stephen
|
38b35d05ad
|
fix asserting ATN line.
|
2019-05-01 22:10:57 +09:30 |
|
|
Paul Gardner-Stephen
|
af7e93476c
|
setup DDR for IEC serial bus
|
2019-05-01 21:52:22 +09:30 |
|
|
Paul Gardner-Stephen
|
687ed9c56a
|
more work towards IEC bus. Also don't corrupt $DD00 VIC-II bank bits in the process.
|
2019-05-01 21:47:00 +09:30 |
|
|
Paul Gardner-Stephen
|
16dcfbe22b
|
begin implementing IEC serial protocol.
|
2019-05-01 21:40:32 +09:30 |
|
|
Paul Gardner-Stephen
|
27b33c2b26
|
use more space efficient calling convention for calling errors
|
2019-05-01 07:37:52 +09:30 |
|
|
Paul Gardner-Stephen
|
b45e7aab65
|
RUN does implicit CLR
|
2019-04-29 23:23:30 +09:30 |
|
|
Paul Gardner-Stephen
|
f439cb0a83
|
correctly detect end of program
|
2019-04-29 23:21:46 +09:30 |
|
|
Paul Gardner-Stephen
|
dec1ce257d
|
simplify BASIC execution logic
|
2019-04-29 23:10:10 +09:30 |
|
|
Paul Gardner-Stephen
|
8ecd10d5cd
|
implement SYS command.
|
2019-04-29 23:02:22 +09:30 |
|
|
Paul Gardner-Stephen
|
0d891bb06a
|
consume white space when checking for end of statement
|
2019-04-29 22:41:51 +09:30 |
|
|
Paul Gardner-Stephen
|
6df769320a
|
parse line number argument in RUN statement
|
2019-04-29 22:40:24 +09:30 |
|
|
Paul Gardner-Stephen
|
65af677caa
|
factor out basic line number parsing routine
|
2019-04-29 22:36:25 +09:30 |
|
|
Paul Gardner-Stephen
|
270314640c
|
refactor end of statement check.
|
2019-04-29 22:27:58 +09:30 |
|
|
Paul Gardner-Stephen
|
3bdfa8f834
|
make injest_number work from current basic statement pointer
|
2019-04-29 22:25:03 +09:30 |
|
|
Paul Gardner-Stephen
|
7c960fd6b4
|
implement RUN command. Show line number in errors when in program mode.
|
2019-04-29 22:20:02 +09:30 |
|
|
Paul Gardner-Stephen
|
995dc52967
|
work towards being able to run programs
|
2019-04-29 22:16:00 +09:30 |
|
|
Paul Gardner-Stephen
|
b15ddafa6a
|
allow multiple statements on single line. Issue #14
|
2019-04-29 22:05:27 +09:30 |
|
|
Paul Gardner-Stephen
|
3a58c781c7
|
carriage return clears quote and insert modes
|
2019-04-29 22:05:12 +09:30 |
|
|
Paul Gardner-Stephen
|
b44869c87b
|
fix handling of Vendor key combo parsing when screen scraping keyboard input
|
2019-04-29 21:53:06 +09:30 |
|
|
Paul Gardner-Stephen
|
38c3f158d2
|
Fix display of shift+key combos in REM and quote strings. Issue #11
|
2019-04-29 21:44:29 +09:30 |
|
|
Paul Gardner-Stephen
|
b5ab7ba10c
|
fix CHROUT handling of most character codes
|
2019-04-29 21:36:56 +09:30 |
|
|
Paul Gardner-Stephen
|
8ffe1b61da
|
fix display of quoted control codes. Issue #11
|
2019-04-29 21:25:23 +09:30 |
|
|
Paul Gardner-Stephen
|
366ee483cb
|
Simplify and improve control code detection
|
2019-04-29 21:19:04 +09:30 |
|
|
Paul Gardner-Stephen
|
2b9f1cc2ee
|
Fix Issue #17
|
2019-04-29 21:12:01 +09:30 |
|
|
Paul Gardner-Stephen
|
67ac641741
|
make LIST command honour REM and quotes.
|
2019-04-29 21:08:53 +09:30 |
|
|
Paul Gardner-Stephen
|
bc5e3cdbb9
|
Fix Issue #15
|
2019-04-29 21:00:00 +09:30 |
|
|
Paul Gardner-Stephen
|
71567e39ac
|
LIST now largely works.
|
2019-04-28 22:48:03 +09:30 |
|
|
Paul Gardner-Stephen
|
8c84566e53
|
begin implementing LIST command printing of line bodies
|
2019-04-28 22:37:11 +09:30 |
|
|
Paul Gardner-Stephen
|
c7db426bd3
|
begin implementing LIST command
|
2019-04-28 22:30:49 +09:30 |
|
|
Paul Gardner-Stephen
|
6a0b2d8e7f
|
implement beginnings of BASIC main loop execution
|
2019-04-28 22:10:32 +09:30 |
|
|
Paul Gardner-Stephen
|
06a227696e
|
begin implementing BASIC command loop
|
2019-04-28 21:59:02 +09:30 |
|
|
Paul Gardner-Stephen
|
30e900e2cf
|
implement syntax error as default behaviour
|
2019-04-28 21:51:44 +09:30 |
|
|
Paul Gardner-Stephen
|
249266232c
|
begin implementing framework for interpreting BASIC statements.
|
2019-04-28 21:50:52 +09:30 |
|
|
Paul Gardner-Stephen
|
3ab4f385ac
|
fix printing of integers and BASIC free bytes on startup
|
2019-04-28 21:36:33 +09:30 |
|
|
Paul Gardner-Stephen
|
0c05cd335f
|
fix inverted sense of cartridge detect in free RAM calculation
|
2019-04-28 21:27:31 +09:30 |
|
|
Paul Gardner-Stephen
|
9ac00426f3
|
display correct # of basic bytes free on startup
|
2019-04-28 21:26:33 +09:30 |
|
|
Paul Gardner-Stephen
|
2193cf9520
|
fix integer printing routine
|
2019-04-28 21:21:53 +09:30 |
|
|
Paul Gardner-Stephen
|
c1a85217a0
|
work towards printing integers
|
2019-04-28 21:19:41 +09:30 |
|
|
Paul Gardner-Stephen
|
e0bd266f6e
|
don't print READY after entering, modifying or deleting a line of BASIC
|
2019-04-28 20:51:54 +09:30 |
|
|
Paul Gardner-Stephen
|
4a4e6ddbb9
|
fix Issue #13
|
2019-04-28 20:48:46 +09:30 |
|
|
Paul Gardner-Stephen
|
f43fedea21
|
remove more debug output
|
2019-04-28 20:44:05 +09:30 |
|
|
Paul Gardner-Stephen
|
ced0eeb319
|
disable debug output in basic line inserting, deleting and replacing
|
2019-04-28 20:41:38 +09:30 |
|
|
Paul Gardner-Stephen
|
ff10535447
|
fix deleting line bugs
|
2019-04-28 20:39:15 +09:30 |
|
|
Paul Gardner-Stephen
|
696c908483
|
fix bugs in calculation of memory range to copy down.
|
2019-04-28 20:33:07 +09:30 |
|
|
Paul Gardner-Stephen
|
906fe108b3
|
work towards being able to delete BASIC lines
|
2019-04-28 20:27:19 +09:30 |
|
|
Paul Gardner-Stephen
|
490dda059f
|
expand documentation of line replacement
|
2019-04-28 20:06:26 +09:30 |
|
|
Paul Gardner-Stephen
|
9d83d95a6c
|
don't re-insert an empty line if deleting a line
|
2019-04-28 19:58:45 +09:30 |
|
|
Paul Gardner-Stephen
|
5031764214
|
Fix issue #12
|
2019-04-28 17:01:17 +09:30 |
|
|
Paul Gardner-Stephen
|
885fcca833
|
fix bug in calculation of shift memory up bounds, and add debugging
|
2019-04-28 16:37:38 +09:30 |
|
|
Paul Gardner-Stephen
|
e04a648044
|
finish implementing printf function
|
2019-04-28 16:20:25 +09:30 |
|
|
Paul Gardner-Stephen
|
e1462ae989
|
replace out of range branch to stop inference by Ophis
|
2019-04-28 16:20:04 +09:30 |
|
|
Paul Gardner-Stephen
|
cbd92e9351
|
printf inline hex bytes and word display now works.
|
2019-04-28 13:54:43 +09:30 |
|
|
Paul Gardner-Stephen
|
83fbaeffe2
|
fix bug in return from printf
|
2019-04-28 13:44:55 +09:30 |
|
|
Paul Gardner-Stephen
|
5f19f62ab8
|
more work on basic line linking and management
|
2019-04-28 13:41:36 +09:30 |
|
|
Paul Gardner-Stephen
|
183e6f784c
|
begin implementing printf-like debug function
|
2019-04-28 13:41:08 +09:30 |
|
|
Paul Gardner-Stephen
|
daaa0b51af
|
fix bugs with storing basic lines. Now inserting lines seems to mostly work.
|
2019-04-28 02:52:04 +09:30 |
|
|
Paul Gardner-Stephen
|
5a5be5d8ec
|
fix several bugs with storing BASIC lines
|
2019-04-28 02:07:17 +09:30 |
|
|
Paul Gardner-Stephen
|
d2e4822f37
|
zero all bytes of FAC1 when erasing
|
2019-04-28 01:22:50 +09:30 |
|
|
Paul Gardner-Stephen
|
064b84d2e9
|
zero memory pointer in NEW command
|
2019-04-28 01:22:26 +09:30 |
|
|
Paul Gardner-Stephen
|
7f54f6cdd8
|
copy null at end of basic line when storing to memory
|
2019-04-28 01:22:09 +09:30 |
|
|
Paul Gardner-Stephen
|
08b1327044
|
set $2B/$2C pointers when inserting a line of BASIC text
|
2019-04-28 01:08:56 +09:30 |
|
|
Paul Gardner-Stephen
|
64dbdcdefb
|
can now store a single line of basic into memory
|
2019-04-28 01:06:16 +09:30 |
|
|
Paul Gardner-Stephen
|
580b7961a5
|
more work on inserting and deleting BASIC lines.
|
2019-04-28 00:28:38 +09:30 |
|
|
Paul Gardner-Stephen
|
84c02486fe
|
begin implementing memory copy routines for inserting and deleting BASIC lines.
|
2019-04-28 00:17:20 +09:30 |
|
|
Paul Gardner-Stephen
|
b7de93a3a6
|
abort line search as soon as we find a line with too high a line number.
|
2019-04-27 23:48:57 +09:30 |
|
|
Paul Gardner-Stephen
|
5358743318
|
begin implementing basic text manipulation routines.
|
2019-04-27 23:47:06 +09:30 |
|
|
Paul Gardner-Stephen
|
6d57d17b74
|
properly initialise memory when BASIC starts.
|
2019-04-27 23:08:11 +09:30 |
|
|
Paul Gardner-Stephen
|
eef572e0ab
|
work on getting BASIC line number entry working.
|
2019-04-27 23:00:20 +09:30 |
|
|
Paul Gardner-Stephen
|
bd4af88e02
|
fix bug in number parsing.
|
2019-04-27 22:22:42 +09:30 |
|
|
Paul Gardner-Stephen
|
26ca54660a
|
begin parsing line numbers at start of lines
|
2019-04-27 22:18:43 +09:30 |
|
|
Paul Gardner-Stephen
|
1325f31010
|
rename inject_number to injest_number
|
2019-04-27 22:14:32 +09:30 |
|
|
Paul Gardner-Stephen
|
13a2d6f6cb
|
don't tokenise content following a REM statement.
|
2019-04-27 22:13:20 +09:30 |
|
|
Paul Gardner-Stephen
|
7831441cac
|
strip leading spaces from received line before tokenising
|
2019-04-27 22:09:56 +09:30 |
|
|
Paul Gardner-Stephen
|
b1655ac7a9
|
work on parsing numbers from strings.
|
2019-04-27 22:03:04 +09:30 |
|
|
Paul Gardner-Stephen
|
8cb5e7e7c5
|
add more explanations of matching bytes
|
2019-04-26 23:53:25 +09:30 |
|
|
Paul Gardner-Stephen
|
fd46b9314c
|
speed up line tokeniser for common cases
|
2019-04-26 23:39:52 +09:30 |
|
|
Paul Gardner-Stephen
|
fd612be221
|
replace keywords with correct tokens in tokeniser
|
2019-04-26 23:31:08 +09:30 |
|
|
Paul Gardner-Stephen
|
79997c9e0e
|
implement quote mode when tokenising basic lines
|
2019-04-26 23:16:54 +09:30 |
|
|
Paul Gardner-Stephen
|
df55ff6d25
|
honour length of packed keyword table
|
2019-04-26 23:10:47 +09:30 |
|
|
Paul Gardner-Stephen
|
11392d883c
|
remove debug output from tokeniser
|
2019-04-26 23:05:14 +09:30 |
|
|
Paul Gardner-Stephen
|
eedf82f1fd
|
fix bugs in pack_word and tokenising
|
2019-04-26 23:01:05 +09:30 |
|
|
Paul Gardner-Stephen
|
1bb72973fa
|
implement reporting BASIC errors, continuing work on tokeniser
|
2019-04-26 22:27:59 +09:30 |
|
|
Paul Gardner-Stephen
|
428bd8e497
|
fix advancing in raw string when encountering a non-token during tokenisation
|
2019-04-26 22:09:16 +09:30 |
|
|
Paul Gardner-Stephen
|
1c46bc55e6
|
add gitignore with entries for generated assembly files
|
2019-04-26 22:08:56 +09:30 |
|
|
Paul Gardner-Stephen
|
06c6bd9c20
|
work on basic tokeniser
|
2019-04-26 22:02:56 +09:30 |
|
|
Paul Gardner-Stephen
|
736fbca535
|
fix compression of exception characters in some sitatuations.
|
2019-04-25 23:29:50 +09:30 |
|
|
Paul Gardner-Stephen
|
92f80e2281
|
fix display of keywords from TAB( onwards. Issue #9
|
2019-04-25 23:24:03 +09:30 |
|
|
Paul Gardner-Stephen
|
7243e41749
|
reject false positive matches on keywords
|
2019-04-25 23:11:44 +09:30 |
|
|
Paul Gardner-Stephen
|
c6167d37cb
|
token search now basically works.
|
2019-04-25 23:04:39 +09:30 |
|
|
Paul Gardner-Stephen
|
04e5dd326f
|
fix some problems with token searching
|
2019-04-25 22:37:00 +09:30 |
|
|
Paul Gardner-Stephen
|
3892503289
|
begin implementing token search routine
|
2019-04-25 22:28:10 +09:30 |
|
|
Paul Gardner-Stephen
|
fbad812b56
|
fix bounds check
|
2019-04-25 22:11:59 +09:30 |
|
|
Paul Gardner-Stephen
|
8469eac339
|
fix unpacking of strings with $FF tokens
|
2019-04-25 21:58:37 +09:30 |
|
|
Paul Gardner-Stephen
|
55cd33d1db
|
fix input of letter Z
|
2019-04-25 21:58:27 +09:30 |
|
|
Paul Gardner-Stephen
|
54b0cff2fd
|
fix some bugs with unpacking literal chars
|
2019-04-25 21:52:09 +09:30 |
|