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implemented check if running on EmuTOS

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This commit is contained in:
Markus Fröschle
2014-09-29 22:42:38 +00:00
parent 628ba49c83
commit f506144bd8
1 changed files with 31 additions and 20 deletions
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13
BaS_gcc/tos/bascook/sources/bascook.c
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@@ -105,11 +105,17 @@ int main(int argc, char *argv[])
struct driver_table *dt; struct driver_table *dt;
void *ssp; void *ssp;
void *old_vector; void *old_vector;
char **sysbase = (char **) 0x4f2;
(void) Cconws("retrieve BaS driver interface\r\n"); (void) Cconws("retrieve BaS driver interface\r\n");
ssp = (void *) Super(0L); ssp = (void *) Super(0L); /* go to supervisor mode, we are doing dirty tricks */
/*
* first check if we are on EmuTOS, FireTOS want's to do everything itself
*/
if (* (long *)(*sysbase + 0x2c) == 0x45544f53)
{
old_vector = Setexc(0x20, my_own_trap0_handler); /* set our own temporarily */ old_vector = Setexc(0x20, my_own_trap0_handler); /* set our own temporarily */
dt = get_bas_drivers(); /* trap #1 */ dt = get_bas_drivers(); /* trap #1 */
(void) Setexc(0x20, old_vector); /* restore original vector */ (void) Setexc(0x20, old_vector); /* restore original vector */
@@ -136,6 +142,11 @@ int main(int argc, char *argv[])
ifc++; ifc++;
} }
} }
}
else
{
printf("not running on EmuTOS, exiting\r\n");
}
Super(ssp); Super(ssp);
while (Cconis()) Cconin(); /* eat keys */ while (Cconis()) Cconin(); /* eat keys */