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[/] [atlas_core/] [trunk/] - Rev 38

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Rev Log message Author Age Path
18 huge update:
- doc update
- several bug-fixes in MMU, CTRL and BUS_INTERFACE.vhd
have fun ;)		 zero_gravity 3997d 14h /atlas_core/trunk/
17 - new interrupt vector: unique vector for undefined instructions / access violations ("command error trap")
- bug fix in assembler: correct absolute address generator - assembler works fine now ;)		 zero_gravity 4007d 17h /atlas_core/trunk/
16 - assembler update: assembler can now include other files using the ".include" statement
- doc update: fixed error in instruction summary table		 zero_gravity 4019d 19h /atlas_core/trunk/
15 - new instruction added: NEG Rd, Rx (Rd <- 0 - Ra)
- instruction is built from redundant SUB with identical operands (SUB Rd, Ra, Ra; will always result in 0)
- since there are other instructions to clear a register, the redundant SUB has been recoded to perform the NEG operation
- NEG operation added to documentary and assembler		 zero_gravity 4026d 21h /atlas_core/trunk/
14 - instruction set summary card added to documentary (Atlas Processor Datasheet)
- minor edits in SYS_REG.vhd and ATLAS_pkg.vhd files		 zero_gravity 4027d 16h /atlas_core/trunk/
13 - new option added to the RT/GT/STPC instructions
- ATLAS_MICRO implementation scheme added (+testbench)
- huge DOC update		 zero_gravity 4042d 12h /atlas_core/trunk/
12 - assembler: dev c++ project changed to 32-bit
- atlas_asm.exe is now compiled for 32-bit system		 zero_gravity 4064d 18h /atlas_core/trunk/
11 - optimized memory components
-> less access hardware
-> easier mapping for quartus sythesis tool		 zero_gravity 4067d 12h /atlas_core/trunk/
10 - optimized opcode decoder
- deleted HALT signal from Atlas Micro - not feasible here
- doc update		 zero_gravity 4067d 13h /atlas_core/trunk/
9 - ATLAS_MICRO implementation example added to project (CPU + I/D memory) zero_gravity 4068d 14h /atlas_core/trunk/

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