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/* |
/* |
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* Copyright (C) 2005 Anders Gavare. All rights reserved. |
* Copyright (C) 2005-2006 Anders Gavare. All rights reserved. |
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* |
* |
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* Redistribution and use in source and binary forms, with or without |
* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
* modification, are permitted provided that the following conditions are met: |
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* SUCH DAMAGE. |
* SUCH DAMAGE. |
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* |
* |
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* |
* |
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* $Id: cpu_avr_instr.c,v 1.3 2005/09/17 22:34:52 debug Exp $ |
* $Id: cpu_avr_instr.c,v 1.6 2006/02/09 22:40:27 debug Exp $ |
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* |
* |
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* Atmel AVR (8-bit) instructions. |
* Atmel AVR (8-bit) instructions. |
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* |
* |
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* Individual functions should keep track of cpu->n_translated_instrs. Since |
* Individual functions should keep track of cpu->n_translated_instrs. |
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* AVR uses variable length instructions, cpu->cd.avr.next_ic must also be |
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* increased by the number of "instruction slots" that were executed. (I.e. |
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* if an instruction occupying 6 bytes was executed, then next_ic should be |
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* increased by 3.) |
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* |
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* (n_translated_instrs is automatically increased by 1 for each function |
* (n_translated_instrs is automatically increased by 1 for each function |
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* call. If no instruction was executed, then it should be decreased. If, say, |
* call. If no instruction was executed, then it should be decreased. If, say, |
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* 4 instructions were combined into one function and executed, then it should |
* 4 instructions were combined into one function and executed, then it should |
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X(to_be_translated) |
X(to_be_translated) |
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{ |
{ |
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int addr, low_pc, rd, rr, main_opcode; |
int addr, low_pc, rd, rr, main_opcode; |
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#ifdef DYNTRANS_BACKEND |
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int simple = 0; |
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#endif |
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uint16_t iword; |
uint16_t iword; |
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unsigned char *page; |
unsigned char *page; |
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unsigned char ib[2]; |
unsigned char ib[2]; |