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Removed multiplication from SET macro in uxn core

This commit is contained in:
Devine Lu Linvega 2023-05-17 20:43:50 -07:00
parent 7377477f23
commit 5a8ee380fe
1 changed files with 2 additions and 2 deletions
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4
src/uxn.c
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@ -28,7 +28,7 @@ WITH REGARD TO THIS SOFTWARE.
*/ */
#define HALT(c) { return uxn_halt(u, ins, (c), pc - 1); } #define HALT(c) { return uxn_halt(u, ins, (c), pc - 1); }
#define SET(mul, add) { if(mul > s->ptr) HALT(1) tmp = s->ptr + k * mul + add; if(tmp > 254) HALT(2) s->ptr = tmp; } #define SET(mul, add) { if(mul > s->ptr) HALT(1) tmp = (mul & k) + add + s->ptr; if(tmp > 254) HALT(2) s->ptr = tmp; }
#define PUT(o, v) { s->dat[(Uint8)(s->ptr - 1 - (o))] = (v); } #define PUT(o, v) { s->dat[(Uint8)(s->ptr - 1 - (o))] = (v); }
#define PUT2(o, v) { tmp = (v); s->dat[(Uint8)(s->ptr - o - 2)] = tmp >> 8; s->dat[(Uint8)(s->ptr - o - 1)] = tmp; } #define PUT2(o, v) { tmp = (v); s->dat[(Uint8)(s->ptr - o - 2)] = tmp >> 8; s->dat[(Uint8)(s->ptr - o - 1)] = tmp; }
#define PUSH(x, v) { z = (x); if(z->ptr > 254) HALT(2) z->dat[z->ptr++] = (v); } #define PUSH(x, v) { z = (x); if(z->ptr > 254) HALT(2) z->dat[z->ptr++] = (v); }
@ -45,7 +45,7 @@ uxn_eval(Uxn *u, Uint16 pc)
if(!pc || u->dev[0x0f]) return 0; if(!pc || u->dev[0x0f]) return 0;
for(;;) { for(;;) {
ins = ram[pc++] & 0xff; ins = ram[pc++] & 0xff;
k = !!(ins & 0x80); k = ins & 0x80 ? 0xff : 0;
s = ins & 0x40 ? &u->rst : &u->wst; s = ins & 0x40 ? &u->rst : &u->wst;
opc = !(ins & 0x1f) ? (0 - (ins >> 5)) & 0xff : ins & 0x3f; opc = !(ins & 0x1f) ? (0 - (ins >> 5)) & 0xff : ins & 0x3f;
switch(opc) { switch(opc) {