| Rev |
Log message |
Author |
Age |
Path |
| 50 |
Adding function to do combinational unsigned division, problem that it would change the clock to 5Mhz :(
The combinational delay increased a lot
udivResult := CONV_STD_LOGIC_VECTOR(udivision(unsigned(A),unsigned(B)), 32);
intermediate_S := udivResult(nBits downto 0); |
leonardoaraujo.santos |
4435d 23h |
/opencpu32/trunk/hdl/opencpu32/ |
| 48 |
Working on jump instrunctions (Imediate) |
leonardoaraujo.santos |
4437d 00h |
/opencpu32/trunk/hdl/opencpu32/ |
| 47 |
Changing the Multiplexer3_1 (The one who chooses the alu input) selection signals |
leonardoaraujo.santos |
4437d 08h |
/opencpu32/trunk/hdl/opencpu32/ |
| 46 |
Working on load instructions |
leonardoaraujo.santos |
4437d 08h |
/opencpu32/trunk/hdl/opencpu32/ |
| 45 |
Preparing to test the load operation |
leonardoaraujo.santos |
4438d 00h |
/opencpu32/trunk/hdl/opencpu32/ |
| 44 |
Start to work on store operation |
leonardoaraujo.santos |
4438d 00h |
/opencpu32/trunk/hdl/opencpu32/ |
| 43 |
Solved an issue where the imediate values where switched from the memory values |
leonardoaraujo.santos |
4438d 06h |
/opencpu32/trunk/hdl/opencpu32/ |
| 42 |
Changing Multiplexer to use the constants
Changing timing on top testbench (To have valid and stable data when the memory enable is asserted) |
leonardoaraujo.santos |
4438d 06h |
/opencpu32/trunk/hdl/opencpu32/ |
| 41 |
Adding interesting website with VHDL I/O tutorial |
leonardoaraujo.santos |
4438d 17h |
/opencpu32/trunk/hdl/opencpu32/ |
| 40 |
Adding feature to create file with source code tested from testControlUnit.vhd |
leonardoaraujo.santos |
4438d 18h |
/opencpu32/trunk/hdl/opencpu32/ |
| 39 |
Adding file i/o support (Still on test) |
leonardoaraujo.santos |
4439d 00h |
/opencpu32/trunk/hdl/opencpu32/ |
| 38 |
Working a little bit on documentation |
leonardoaraujo.santos |
4439d 17h |
/opencpu32/trunk/hdl/opencpu32/ |
| 37 |
Working a little bit on documentation |
leonardoaraujo.santos |
4439d 17h |
/opencpu32/trunk/hdl/opencpu32/ |
| 36 |
Adding top level testbench |
leonardoaraujo.santos |
4439d 18h |
/opencpu32/trunk/hdl/opencpu32/ |
| 35 |
Adding test to add values from imediate... Now I will work a little bit on the tests with the ControlUnit and DataPath together |
leonardoaraujo.santos |
4440d 07h |
/opencpu32/trunk/hdl/opencpu32/ |
| 34 |
Fixing time issues on ControlUnit and adding more tests |
leonardoaraujo.santos |
4440d 18h |
/opencpu32/trunk/hdl/opencpu32/ |
| 33 |
Continue testControlUnit and fixing some errors on ControlUnit |
leonardoaraujo.santos |
4440d 21h |
/opencpu32/trunk/hdl/opencpu32/ |
| 32 |
Cleaning room to start to play with the control unit testbench |
leonardoaraujo.santos |
4441d 04h |
/opencpu32/trunk/hdl/opencpu32/ |
| 31 |
Adding store and load instructions ... (Now is a good time to stop a little bit and work on the testbench of the CPU) |
leonardoaraujo.santos |
4446d 01h |
/opencpu32/trunk/hdl/opencpu32/ |
| 30 |
Adding top level CPU file, fixing some problems on ControlUnit.vhd |
leonardoaraujo.santos |
4446d 04h |
/opencpu32/trunk/hdl/opencpu32/ |
| 29 |
Udating DataPath.vhd with the flags comming out from Alu, added jump instructions into the ControlUnit.vhd |
leonardoaraujo.santos |
4446d 21h |
/opencpu32/trunk/hdl/opencpu32/ |
| 28 |
Adding flags and shift/rotate operations to the Alu.vhd |
leonardoaraujo.santos |
4446d 22h |
/opencpu32/trunk/hdl/opencpu32/ |
| 27 |
Changing Datapath for operations with Imediate values, working on the Control Unit... (Datapath testbench was updated also) |
leonardoaraujo.santos |
4448d 22h |
/opencpu32/trunk/hdl/opencpu32/ |
| 26 |
|
leonardoaraujo.santos |
4449d 23h |
/opencpu32/trunk/hdl/opencpu32/ |
| 25 |
Working on ControlUnit |
leonardoaraujo.santos |
4450d 23h |
/opencpu32/trunk/hdl/opencpu32/ |
| 24 |
Working on the Control unit, (Don't forget to add the Carry, Flags Out, shift/rotates on the Alu...) |
leonardoaraujo.santos |
4451d 22h |
/opencpu32/trunk/hdl/opencpu32/ |
| 22 |
Adding ControlUnit skeleton |
leonardoaraujo.santos |
4453d 18h |
/opencpu32/trunk/hdl/opencpu32/ |
| 21 |
Add new test case on DataPath |
leonardoaraujo.santos |
4453d 19h |
/opencpu32/trunk/hdl/opencpu32/ |
| 20 |
Still working on Datapath (Lack of status signals, and shift operations)
I will add some of them on the Alu |
leonardoaraujo.santos |
4453d 19h |
/opencpu32/trunk/hdl/opencpu32/ |
| 19 |
Working on DataPath |
leonardoaraujo.santos |
4454d 06h |
/opencpu32/trunk/hdl/opencpu32/ |
