etc
/
uxn
mirror of https://git.sr.ht/~rabbits/uxn
0
1
Fork 0
Code Issues Projects Releases Wiki Activity

(uxn.c) Merged PUSH calls

This commit is contained in:
neauoire 2023-08-08 19:53:23 -07:00
parent b523162cf8
commit 5675d8e65d
2 changed files with 31 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
etc/hello.tal Normal file
View File

@ -0,0 +1,24 @@
( init )
|0100 @program
#1234 SWP
#010e DEO
#010f DEO
BRK
#1234 #5678 SWP2
BRK
;hello-word
&while
( send ) LDAk #18 DEO
( loop ) INC2 LDAk ,&while JCN
POP2
#010f DEO
BRK
@hello-word "Hello 20 "World! 00

12
src/uxn.c
View File

@ -16,20 +16,22 @@ WITH REGARD TO THIS SOFTWARE.
#define JUMP(x) { if(m2) pc = (x); else pc += (Sint8)(x); }
#define POKE(x, y) { if(m2) { POKE2(ram + x, y) } else { ram[(x)] = (y); } }
#define PEEK(o, x) { if(m2) { o = PEEK2(ram + x); } else o = ram[(x)]; }
#define DEVW(p, y) { if(m2) { DEO(p, y >> 8) DEO((p + 1), y) } else { DEO(p, y) } }
#define DEVR(o, p) { if(m2) { o = DEI(p) << 8 | DEI(p + 1); } else { o = DEI(p); } }
#define PUSH1(y) { if(s->ptr == 0xff) HALT(2) s->dat[s->ptr++] = (y); }
#define PUSH2(y) { if((tsp = s->ptr) >= 0xfe) HALT(2) t = (y); POKE2(&s->dat[tsp], t); s->ptr = tsp + 2; }
#define PUSHx(y) { if(m2) { PUSH2(y) } else { PUSH1(y) } }
#define PUSH11(y, z) { if((tsp = s->ptr) >= 0xfe) HALT(2) s->dat[s->ptr++] = y; s->dat[s->ptr++] = z; }
#define PUSH22(y, z) { PUSH2(y) PUSH2(z) }
#define PUSH11(y, z) { if(s->ptr >= 0xfe) HALT(2) s->dat[s->ptr++] = (y); s->dat[s->ptr++] = (z); }
#define PUSH22(y, z) { if((tsp = s->ptr) >= 0xfc) HALT(2) POKE2(&s->dat[tsp], (y)); POKE2(&s->dat[tsp+2], (z)); s->ptr = tsp + 4; }
#define PUSHxx(y, z) { if(m2) { PUSH22(y, z) } else { PUSH11(y, z) } }
#define POP1(o) { if(*sp == 0x00) HALT(1) o = s->dat[--*sp]; }
#define POP2(o) { if((tsp = *sp) <= 0x01) HALT(1) o = PEEK2(&s->dat[tsp - 2]); *sp = tsp - 2; }
#define POPx(o) { if(m2) { POP2(o) } else { POP1(o) } }
#define POP11(o, p) { POP1(o) POP1(p) }
#define POP11(o, p) { if((tsp = *sp) <= 0x01) HALT(1) o = s->dat[--*sp]; p = s->dat[--*sp]; }
#define POP22(o, p) { POP2(o) POP2(p) }
#define POPxx(o, p) { if(m2) { POP22(o, p) } else { POP11(o, p) } }
#define DEVW(p, y) { if(m2) { DEO(p, y >> 8) DEO((p + 1), y) } else { DEO(p, y) } }
#define DEVR(o, p) { if(m2) { o = DEI(p) << 8 | DEI(p + 1); } else { o = DEI(p); } }
int
uxn_eval(Uxn *u, Uint16 pc)