45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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#define MAX_ARRAY 128
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extern int array[MAX_ARRAY][MAX_ARRAY];
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extern int array2[MAX_ARRAY][MAX_ARRAY];
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typedef struct {
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int x, y;
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int accum;
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int *load_ptr;
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int *store_ptr;
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int done;
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} State;
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#if defined(IN_TRANSLATED_CODE)
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#define ST(n) (n)
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#define BEGIN_TRANSLATED_FUNCTION() \
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int x=state->x, y=state->y, accum=state->accum; \
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int *load_ptr=state->load_ptr, *store_ptr=state->store_ptr; \
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int done = 0; \
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while (!done) {
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#define END_TRANSLATED_FUNCTION() \
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} /* end of while block started in BEGIN_TRANSLATED_FUNCTION() */ \
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state->x=x; state->y=y; state->accum=accum; \
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state->load_ptr=load_ptr; state->store_ptr=store_ptr;
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#endif // defined IN_TRANSLATED_CODE
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#define DO_MOVE_REL(delta_x,delta_y) do { \
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ST(x) += delta_x; \
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ST(y) += delta_y; \
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ST(load_ptr) = &array[ST(x)][ST(y)]; \
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} while (0)
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#define DO_SET_ACCUM(x) ST(accum) = x
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#define DO_ADD_DATA() ST(accum) += *ST(load_ptr)
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#define DO_SUBTRACT_DATA() ST(accum) -= *ST(load_ptr)
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#define DO_MULTIPLY_DATA() ST(accum) *= *ST(load_ptr)
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#define DO_STORE_DATA() *ST(store_ptr) = ST(accum)
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#define DO_END() done = 1
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