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Microcode that copies bytes in short without merging them

This commit is contained in:
Devine Lu Linvega 2024-08-16 20:13:41 -07:00
parent bffb31ccc8
commit a277ae1142
1 changed files with 10 additions and 7 deletions
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17
src/uxn.c
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@ -42,10 +42,13 @@ WITH REGARD TO THIS SOFTWARE.
#define PEK(o, x, r) if(_2) { r = (x); o = uxn.ram[r++] << 8 | uxn.ram[r]; } else o = uxn.ram[(x)];
#define POK(x, y, r) if(_2) { r = (x); uxn.ram[r++] = y >> 8, uxn.ram[r] = y; } else uxn.ram[(x)] = (y);
#define GET(x,y) if(_2) PO1(y) PO1(x)
#define PUT(x,y) PU1(x) if(_2) PU1(y)
int
uxn_eval(Uint16 pc)
{
int a,b,c,k;
int a,b,c,d,e,f,k;
Uint8 t;
Uint16 tt;
if(!pc || uxn.dev[0x0f]) return 0;
@ -60,12 +63,12 @@ uxn_eval(Uint16 pc)
/* L2r */ case 0xe0: INC(rst) = uxn.ram[pc++];
/* LIr */ case 0xc0: INC(rst) = uxn.ram[pc++]; break;
/* INC */ OPC(0x01, POx(a),PUx(a + 1))
/* POP */ OPC(0x02, POx(a),0)
/* NIP */ OPC(0x03, POx(a) POx(b),PUx(a))
/* SWP */ OPC(0x04, POx(a) POx(b),PUx(a) PUx(b))
/* ROT */ OPC(0x05, POx(a) POx(b) POx(c),PUx(b) PUx(a) PUx(c))
/* DUP */ OPC(0x06, POx(a),PUx(a) PUx(a))
/* OVR */ OPC(0x07, POx(a) POx(b),PUx(b) PUx(a) PUx(b))
/* POP */ OPC(0x02, GET(a,b),0)
/* NIP */ OPC(0x03, GET(a,b) GET(c,d),PUT(a,b))
/* SWP */ OPC(0x04, GET(a,b) GET(c,d),PUT(a,b) PUT(c,d))
/* ROT */ OPC(0x05, GET(a,b) GET(c,d) GET(e,f),PUT(c,d) PUT(a,b) PUT(e,f))
/* DUP */ OPC(0x06, GET(a,b),PUT(a,b) PUT(a,b))
/* OVR */ OPC(0x07, GET(a,b) GET(c,d),PUT(c,d) PUT(a,b) PUT(c,d))
/* EQU */ OPC(0x08, POx(a) POx(b),PU1(b == a))
/* NEQ */ OPC(0x09, POx(a) POx(b),PU1(b != a))
/* GTH */ OPC(0x0a, POx(a) POx(b),PU1(b > a))