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@ -33,7 +33,7 @@ WITH REGARD TO THIS SOFTWARE.
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#define HALT(c) { return emu_halt(u, ins, c, pc - 1); } |
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#define FLIP { s = ins & 0x40 ? &u->wst : &u->rst; } |
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#define SET(x, y) { r = s->ptr; if(x > r) HALT(1) r += (x & k) + y; if(r > 254) HALT(2) ptr = s->dat + r - 1; s->ptr = r; } |
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#define SET(x, y) { r = s->ptr; if(x > r) HALT(1) r += y; if(ins & 0x80) r += x; if(r > 254) HALT(2) ptr = s->dat + r - 1; s->ptr = r; } |
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#define SHIFT(y) { r = s->ptr + y; if(r > 254) HALT(2) ptr = s->dat + r - 1; s->ptr = r; } |
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int |
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@ -44,7 +44,6 @@ uxn_eval(Uxn *u, Uint16 pc)
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if(!pc || u->dev[0x0f]) return 0; |
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for(;;) { |
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int ins = ram[pc++]; |
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int k = ins & 0x80 ? 0xff : 0; |
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Stack *s = ins & 0x40 ? &u->rst : &u->wst; |
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Uint8 *ptr = s->dat + s->ptr - 1, *rr; |
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switch(ins & 0x1f ? ins & 0x3f : ins << 4) { |
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