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[/] [openmsp430/] [trunk/] [core/] [rtl/] [verilog/] [omsp_frontend.v] - Rev 103

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103 Removed the timescale from all RTL files.
Added possibility to exclude the "includes" statements from the RTL.
olivier.girard 1539d 19h /openmsp430/trunk/core/rtl/verilog/omsp_frontend.v
91 Fixed bug when an IRQ arrives while CPU is halted through the serial debug interface.
This bug is CRITICAL for people using working with interrupts and the Serial Debug Interface.
olivier.girard 1552d 14h /openmsp430/trunk/core/rtl/verilog/omsp_frontend.v
85 Diverse RTL cosmetic updates. olivier.girard 1575d 13h /openmsp430/trunk/core/rtl/verilog/omsp_frontend.v
60 Cleanup of the PC (R0) generation logic.
Formal equivalence was shown between the new and old code with Synopsys' Formality (to make sure that nothing has been broken :-P ).
olivier.girard 1934d 13h /openmsp430/trunk/core/rtl/verilog/omsp_frontend.v
53 Fixed the following combinatorial timing loop:
1- irq_detect (omsp_frontend)
2- decode (omsp_frontend)
3- dbg_swbrk (omsp_dbg)
4- halt_flag_set (omsp_dbg)
6- dbg_halt_cmd (omsp_dbg)
7- irq_detect (omsp_frontend)

Without this fix, problem could occur whenever an IRQ request arrives during a software breakpoint instruction fetch.
olivier.girard 1941d 16h /openmsp430/trunk/core/rtl/verilog/omsp_frontend.v
34 To avoid potential conflicts with other Verilog modules in bigger projects, the openMSP430 sub-modules have all been renamed with the "omsp_" prefix. olivier.girard 1970d 15h /openmsp430/trunk/core/rtl/verilog/omsp_frontend.v
33 In order to avoid confusion, the following changes have been implemented to the Verilog code:
- renamed the "rom_*" ports and defines to "pmem_*" (program memory).
- renamed the "ram_*" ports and defines to "dmem_*" (data memory).

In addition, in order to prevent potential conflicts with the Verilog defines of other IPs, a Verilog undefine file has been created.
olivier.girard 1970d 16h /openmsp430/trunk/core/rtl/verilog/frontend.v
23 Renamed the "openMSP430.inc" file to "openMSP430_defines.v" & added the "timescale.v" file.
In order to follow the same structure as other OpenCores projects, the timescale and the defines are now included from within the Verilog files (using the `include construct).
olivier.girard 2091d 17h /openmsp430/trunk/core/rtl/verilog/frontend.v
17 Updated header with SVN info olivier.girard 2117d 13h /openmsp430/trunk/core/rtl/verilog/frontend.v
2 Upload complete openMSP430 project to the SVN repository olivier.girard 2152d 12h /openmsp430/trunk/core/rtl/verilog/frontend.v

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