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219 commits

Author SHA1 Message Date
folkert van heusden
9bbd4caef2
dates 2024-04-13 23:11:32 +02:00
folkert van heusden
32f8462a25
assert instead of return 2024-04-13 23:05:15 +02:00
folkert van heusden
16e78b9417
comments 2024-04-13 11:37:52 +02:00
folkert van heusden
078bf2da43
trap action 2024-04-13 11:22:59 +02:00
folkert van heusden
8745954e3c
debugger: mmures - resolve a virtual address 2024-04-13 10:59:40 +02:00
folkert van heusden
9883edc233
d-bit in mmr0 was always set 2024-04-13 02:21:15 +02:00
folkert van heusden
3b2e65a8a7
reworked page access control 2024-04-13 02:10:40 +02:00
folkert van heusden
f4e515ba44
const 2024-04-12 22:47:16 +02:00
folkert van heusden
0647819dd8
reset in ESP32 mode now will not reset complete ESP32, only the emulation 2024-04-11 17:44:14 +02:00
folkert van heusden
c7f8d83c2b
PSW addressing tweak 2024-04-08 16:03:52 +02:00
folkert van heusden
a80d3b711d
PSW accessing check 2024-04-08 15:01:30 +02:00
folkert van heusden
608d374138
logging no longer on by default 2024-04-07 23:28:32 +02:00
folkert van heusden
d020492384
DIV tweak (signed divisor) / RTI: clear TRAP flag 2024-04-05 23:56:20 +02:00
folkert van heusden
a6003698a6
also in disassembler mode it would throw exceptions 2024-04-05 15:00:45 +02:00
folkert van heusden
00ec6af6cd
Revert "clean-up & "instruction_aborted" flag for MTFPDI" 
This reverts commit ecbe3f5f84.
 2024-04-01 22:45:25 +02:00
folkert van heusden
4ecf4d0de2
if not ram nor i/o, then trap 4 2024-04-01 22:40:41 +02:00
folkert van heusden
31f1af4a7b
if (word_mode) => if (word_mode == wm_byte) 2024-04-01 22:21:04 +02:00
folkert van heusden
ecbe3f5f84
clean-up & "instruction_aborted" flag for MTFPDI 2024-04-01 22:03:15 +02:00
folkert van heusden
f43f0a889c
rework for PSW-access 2024-04-01 11:27:50 +02:00
folkert van heusden
8abdda5066
logging 2024-03-31 14:31:03 +02:00
folkert van heusden
d3cbab42fb
I/O base 2024-03-31 04:11:28 +02:00
folkert van heusden
c913cc3410
Can only use D-space when enabled in MMU 2024-03-30 00:42:55 +01:00
folkert van heusden
a3af6ef422
disable esp_backtrace_print 2024-03-29 22:53:05 +01:00
folkert van heusden
22d51ba515
slightly more (emulated) ram 2024-03-28 23:48:37 +01:00
folkert van heusden
1e91bb9814
testing tweaks 2024-03-28 22:00:12 +01:00
folkert van heusden
1d87ecc570
debugger runs 2023-04-08 15:08:13 +02:00
folkert van heusden
2b6de27c35
compiles 2023-04-07 23:10:26 +02:00
folkert van heusden
393ec9098b
Basic SHA20127-badge port 2023-04-01 19:07:59 +02:00
folkert van heusden
2333f4b92d
- make sure MMR1 is never updated when MMR0 is locked by moving the MMR0 
bit 15...13-check into bus::addToMMR1

- cpu::double_operand_instructions could do a register-increment etc
  even if it did not run any cases of the switch
 2023-03-27 21:01:58 +02:00
folkert van heusden
4bdc5272b2
"int" is 16 bit on an ESP32 2023-03-26 22:38:13 +02:00
folkert van heusden
7e11eacd6f
int may be tool small on esp32 2023-03-26 22:06:08 +02:00
Folkert van Heusden
4c7fcb4854 license 2023-03-26 21:47:42 +02:00
folkert van heusden
ebbcbee78f
initialize stack limit register with something saner 2023-03-26 15:28:31 +02:00
folkert van heusden
9d0bc9eea5
could not change msb of stack limit register 2023-03-26 15:24:21 +02:00
folkert van heusden
0f67490b13
word_mode is now a word_mode_t 2023-03-26 15:13:22 +02:00
folkert van heusden
ce1114a159
lf_csr can be altered from an other thread 2023-03-26 13:06:34 +02:00
folkert van heusden
3acf43acf7
sanity checks 2023-03-26 11:47:02 +02:00
folkert van heusden
0754aa692b
Relocate I/O to upper page of virtual address space 2023-03-26 00:22:12 +01:00
folkert van heusden
017339a768
abort should remember d/i-page in bit 4 of mmr0 2023-03-25 21:05:10 +01:00
folkert van heusden
7d5bec2197
apparenty all bits of the MMR3 could be set? even the unused bits? 2023-03-25 20:24:14 +01:00
folkert van heusden
28fa9afcca
clean-up of D-selection 2023-03-25 16:01:55 +01:00
folkert van heusden
b5f9d62f55
Methods for run-mode retrieval 2023-03-25 15:48:50 +01:00
folkert van heusden
d66650b5b2
prev_mode: rm_cur/rm_prev 2023-03-25 13:57:47 +01:00
folkert van heusden
6ad5802866
operator precedence warning from compiler 2023-03-25 10:33:32 +01:00
folkert van heusden
c708acead1
calculate_physical_address: d_i_space_t instead of a bool 2023-03-25 10:05:56 +01:00
folkert van heusden
b2f3fdb0e9
made word_mode into an enum 2023-03-25 09:56:52 +01:00
folkert van heusden
ba5916f750
SP is not selectable via bit 11 of PSW 
R0...R5 are not selectable via run-mode
 2023-03-24 19:59:52 +01:00
folkert van heusden
c66b79f1c7
typo 2023-03-24 16:35:22 +01:00
folkert van heusden
f0a199f7c1
i/o-read: value returned 2023-03-24 16:24:20 +01:00
folkert van heusden
875e7ff4dd
logging tweak (bus - write) 2023-03-24 16:06:28 +01:00