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2version 2.0 05-02-96
3--------------------
4
5* Switched to bfd library. Any supported format (elf, coff, ...) can be used.
6* The UART devices can be set through -uart1 and -uart2 switches.
7* Switched to GNU readline.
8* Added -c option to run batch files at startup
9* 'reg' command can show different register windows (eg 'reg w3').
10* Use 'help' for online help on simulator commands
11
12version 1.8.1 20-01-96
13--------------------
14
15* added -mevrev0 switch to simulate MEC rev.0 bugs in timer and uart
16
17* added -iurev0 switch to simulate IU rev.0 jmpl/restore bug
18
19* Added sis command 'batch' to run batch files
20
21
22version 1.8 30-10-95
23--------------------
24
25* Added s-record support. Use the '-s' switch with sis or the 'load' command.
26
27* IU load dependencies are now modelled
28
29version 1.7 30-10-95
30--------------------
31
32* Power-down mode implemented in erc32.c.
33
34* Performance display shows the ratio between simulator-time and real-time.
35
36
37version 1.6.2 25-10-95
38--------------------
39
40* The UARTs can now be run at a given speed (simulator time) to better
41 simulate the behaviour of interrupt routines. The "true mode" is
42 selected through a compile switch in the makefile.
43
44
45version 1.6 28-09-95
46--------------------
47
48* Major reorganisation of the code. mec.c and mem.c merged into erc32.c.
49
50* The load command does NOT longer load the initialised data at an address
51 defined by .bdata. This is done in srt0.s using _environ.
52
53* Additional MEC functionallity added - software reset, memory access
54 protection and waitstate configuration register.
55
56* interf.c - a GDB interface added
57
58* -v switch (verbose) added
59
60version 1.5 14-09-95
61--------------------
62
63* Added a instruction trace buffer, enabled through the 'hist' command.
64
65* Added a 'perf' command to display statistics such as instruction mix,
66 CPI, FPU holds etc.
67
68* Added -nfp switch to disable FPU.
69
70* Added -freq switch to set simulated frequency.
71
72version 1.4 22-08-95
73--------------------
74
75* A -g is provided for those who have problems with GNU readline().
76
77version 1.3 26-07-95
78--------------------
79
80* No major news, just a bug fix release ...
81
82
83version 1.2 13-07-95
84--------------------
85
86* Added setting of IU registers through the 'reg' command. See README.
87
88* The GNU readline() function is used for command input. However, a
89ctrl-D still kills the simulator ...
90
91
92version 1.1 07-07-95
93--------------------
94
95
96* Added a 'go' command
97
98* Added cycle counting for interrupt overhead.
99
100* Function 'get_mem_ptr' takes one more parameter to avoid segmentation
101 faults if a.out files are loaded outside the simulated memory. See README.
102
103* Added user-defined function sim_stop().
104
105* Added a reset command. See README.
106
107* Implemented buffered output for MEC uarts to improve output speed.
108