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AVR Assember
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FILES
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readme.txt This file
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simple_calculator.asm A simple calculator program which I use to test RISCMCU
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memory_game.asm A simple memory game which I use to test RISCMCU
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riscmcu.inc AVR Assembler include file for this RISCMCU
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riscmcu.aio AVR Studio I/O View setting file for RISCMCU
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counter.asm Simulation DEMO program for RISCMCU, which is
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the program contains in program.mif in the vhdl directory
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and the program the MCU run in the simulation waveform (simulation directory)
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counter.lst List file for counter.asm
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AVR Assember 1.30
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Click on 'Options...' Menu
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Click on 'Options...' Menu
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1. Select 'Generic Format' under the Output file format (MUST for HEX2MIF to work!)
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1. Select 'Generic Format' under the Output file format (MUST for HEX2MIF to work!)
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2. Check the 'Save before assemble' box.
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2. Check the 'Save before assemble' box.
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calc.asm Simple Calculator Source Code
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memgame.asm Simple Memory Game Source Code
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riscmcu.inc Include File for *.ASM (I/O register and bit definition for this design)
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riscmcu.inc Include File for *.ASM (I/O register and bit definition for this design)
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With an ASM file and the riscmcu.inc file, AVR Assembler generates
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With an ASM file and the riscmcu.inc file, AVR Assembler generates
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*.hex Hex file : used by HEX2MIF
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*.hex Hex file : used by HEX2MIF
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*.lst Listing file
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*.lst Listing file
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*.obj Object file : used by AVR Studio for simulation
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*.obj Object file : used by AVR Studio for simulation
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AVR Studio
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AVR Studio 3.0
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Open the OBJ file, set
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Open the OBJ file, set
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Prog.Memory 512
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Prog.Memory 512
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Data Memory 256*
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Data Memory 256*
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You can go to Simulator Options (under Options menu) to set this anytime.
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You can go to Simulator Options (under Options menu) to set this anytime.
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Then press
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Then press
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ALT-0 Registers View
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ALT-0 Registers View
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ALT-4 New Memory View
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ALT-4 New Memory View
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ALT-5 New I/O View, choose riscmcu.aio**
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ALT-5 New I/O View, choose riscmcu.aio
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* The design only have 128 bytes of data RAM, but the simulator can not display the 128 locations when I put 128. 256 works, just ignored anything after the valid 128 byes.
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* The design only have 128 bytes of data RAM, but the simulator can not display the 128 locations when I put 128. 256 works, just ignored anything after the valid 128 byes.
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** External interrupt can not be simulated because the design mapped the external interrupt pin to D7 but the simulator map it to pin D2 (according to AT90S1200).
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HEX2MIF
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calc.mif Simple Calculator MIF file
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game.mif Simple Memory Game MIF file
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Both generated from the hex file by HEX2MIF to 'program.mif', then I rename it to reflect its application
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