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Basic link implementation

This commit is contained in:
neauoire 2023-08-25 10:15:57 -07:00
parent 618212a0d7
commit e522eeb7a5
4 changed files with 23 additions and 26 deletions
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13
etc/link.tal
View File

@ -4,9 +4,8 @@
;task1 #f0 DEO2
;task2 #f2 DEO2
#0000 #f0 DEO2k INC INC DEO2
#010e DEO
;end-txt print-text
#800f DEO
BRK
@ -20,13 +19,11 @@ BRK
BRK
@print-text ( str* -- )
&while
( send ) LDAk .Console/write DEO
( loop ) INC2 LDAk ?&while
( loop ) INC2 LDAk ?print-text
POP2
JMP2r
@t1 "Text1 00
@t2 "Text2 00
@t1 "AAAAAAAAAAAAAAAA 00
@t2 "BBBBBBBBBBBBBBBB 00
@end-txt 0a "Done. 0a

16
src/devices/link.c
View File

@ -16,7 +16,7 @@ WITH REGARD TO THIS SOFTWARE.
*/
pthread_t threads[8];
static int args[8];
static int tids[8];
static Uint16 link_vectors[8];
static Uint8 *link_ram;
@ -26,26 +26,27 @@ static void
{
int tid = *((int *)x);
Uxn u;
Uint16 vector = link_vectors[tid];
u.ram = link_ram;
printf("eval %d #%04x\n", tid, link_vectors[tid]);
u.wst.ptr = u.rst.ptr = 0;
uxn_eval(&u, link_vectors[tid]);
threads[tid] = 0;
link_vectors[tid] = 0;
return NULL;
}
static void
link_init(Uint8 *ram, int id, Uint16 vector)
{
printf("init %d #%04x\n", id, vector);
args[id] = id;
tids[id] = id;
link_vectors[id] = vector;
link_ram = ram;
pthread_create(&threads[id], NULL, link_eval, (void *)&args[id]);
pthread_create(&threads[id], NULL, link_eval, (void *)&tids[id]);
}
static void
link_wait(int id)
{
printf("wait %d\n", id);
pthread_join(threads[id], NULL);
threads[id] = 0;
}
@ -53,18 +54,17 @@ link_wait(int id)
Uint8
link_dei(Uxn *u, Uint8 addr)
{
/* TODO: return non-zero if active */
return 0;
}
void
link_deo(Uint8 *ram, Uint8 *d, Uint8 port)
{
if(port & 0x1) {
Uint8 id = port >> 0x1;
Uint16 vector = PEEK2(d + port - 1);
if(threads[id])
link_wait(id);
if(vector)
link_init(ram, id, vector);
}
}

2
src/devices/link.h
View File

@ -14,4 +14,4 @@ WITH REGARD TO THIS SOFTWARE.
#define LINK_DEOMASK 0xaaaa
Uint8 link_dei(Uxn *u, Uint8 addr);
void link_deo(Uxn *u, Uint8 *d, Uint8 port);
void link_deo(Uint8 *ram, Uint8 *d, Uint8 port);

2
src/uxncli.c
View File

@ -39,7 +39,7 @@ emu_deo(Uxn *u, Uint8 addr)
case 0x10: console_deo(&u->dev[d], p); break;
case 0xa0: file_deo(0, u->ram, &u->dev[d], p); break;
case 0xb0: file_deo(1, u->ram, &u->dev[d], p); break;
case 0xf0: link_deo(u, &u->dev[d], p); break;
case 0xf0: link_deo(u->ram, &u->dev[d], p); break;
}
}