commit a277ae1
Devine Lu Linvega
·
2024-08-17 03:13:41 +0000 UTC
parent bffb31c
Microcode that copies bytes in short without merging them
1 files changed,
+10,
-7
+10,
-7
1@@ -42,10 +42,13 @@ WITH REGARD TO THIS SOFTWARE.
2 #define PEK(o, x, r) if(_2) { r = (x); o = uxn.ram[r++] << 8 | uxn.ram[r]; } else o = uxn.ram[(x)];
3 #define POK(x, y, r) if(_2) { r = (x); uxn.ram[r++] = y >> 8, uxn.ram[r] = y; } else uxn.ram[(x)] = (y);
4
5+#define GET(x,y) if(_2) PO1(y) PO1(x)
6+#define PUT(x,y) PU1(x) if(_2) PU1(y)
7+
8 int
9 uxn_eval(Uint16 pc)
10 {
11- int a,b,c,k;
12+ int a,b,c,d,e,f,k;
13 Uint8 t;
14 Uint16 tt;
15 if(!pc || uxn.dev[0x0f]) return 0;
16@@ -60,12 +63,12 @@ uxn_eval(Uint16 pc)
17 /* L2r */ case 0xe0: INC(rst) = uxn.ram[pc++];
18 /* LIr */ case 0xc0: INC(rst) = uxn.ram[pc++]; break;
19 /* INC */ OPC(0x01, POx(a),PUx(a + 1))
20- /* POP */ OPC(0x02, POx(a),0)
21- /* NIP */ OPC(0x03, POx(a) POx(b),PUx(a))
22- /* SWP */ OPC(0x04, POx(a) POx(b),PUx(a) PUx(b))
23- /* ROT */ OPC(0x05, POx(a) POx(b) POx(c),PUx(b) PUx(a) PUx(c))
24- /* DUP */ OPC(0x06, POx(a),PUx(a) PUx(a))
25- /* OVR */ OPC(0x07, POx(a) POx(b),PUx(b) PUx(a) PUx(b))
26+ /* POP */ OPC(0x02, GET(a,b),0)
27+ /* NIP */ OPC(0x03, GET(a,b) GET(c,d),PUT(a,b))
28+ /* SWP */ OPC(0x04, GET(a,b) GET(c,d),PUT(a,b) PUT(c,d))
29+ /* ROT */ OPC(0x05, GET(a,b) GET(c,d) GET(e,f),PUT(c,d) PUT(a,b) PUT(e,f))
30+ /* DUP */ OPC(0x06, GET(a,b),PUT(a,b) PUT(a,b))
31+ /* OVR */ OPC(0x07, GET(a,b) GET(c,d),PUT(c,d) PUT(a,b) PUT(c,d))
32 /* EQU */ OPC(0x08, POx(a) POx(b),PU1(b == a))
33 /* NEQ */ OPC(0x09, POx(a) POx(b),PU1(b != a))
34 /* GTH */ OPC(0x0a, POx(a) POx(b),PU1(b > a))