etc/uxn
0
0
Fork 0
mirror of https://git.sr.ht/~rabbits/uxn synced 2024-11-05 13:55:06 +00:00
Code Issues Projects Releases Wiki Activity

Removed multiplication from SET macro in uxn core

Browse source
This commit is contained in:
Devine Lu Linvega 2023-05-17 20:39:03 -07:00
parent 305b8469b0
commit 1d4ae74e41
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/uxn.c
View file

@ -28,7 +28,7 @@ WITH REGARD TO THIS SOFTWARE.
*/
#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 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); }
@ -45,7 +45,7 @@ uxn_eval(Uxn *u, Uint16 pc)
if(!pc || u->dev[0x0f]) return 0;
for(;;) {
ins = ram[pc++] & 0xff;
k = !!(ins & 0x80);
k = ins & 0x80 ? 0xff : 0;
s = ins & 0x40 ? &u->rst : &u->wst;
opc = !(ins & 0x1f) ? (0 - (ins >> 5)) & 0xff : ins & 0x3f;
switch(opc) {