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Diffstat (limited to 'sim/erc32/examples/hello.c')
-rw-r--r-- | sim/erc32/examples/hello.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/sim/erc32/examples/hello.c b/sim/erc32/examples/hello.c deleted file mode 100644 index 02903cf..0000000 --- a/sim/erc32/examples/hello.c +++ /dev/null @@ -1,87 +0,0 @@ -/* A small test program to demonstrate use of UARTs and clock */ - - -#define RXADATA (int *) 0x01F800E0 -#define RXBDATA (int *) 0x01F800E4 -#define RXSTAT (int *) 0x01F800E8 - -int write (fd, buf, nbyte) -int fd; -char *buf; -int nbyte; -{ - - int *rxadata; - int rxmask; - int nsave; - volatile *rxstat; - - nsave = nbyte; - - switch (fd) { - case 0 : - rxadata = RXADATA; - rxmask = 6; - break; - case 1 : - rxadata = RXBDATA; - rxmask = 0x60000; - break; - default: - return (-1); - } - rxstat = RXSTAT; - while (nbyte > 0) { - while ((*rxstat & rxmask) == 0); - *rxadata = *buf; - buf++; - nbyte--; - } - return (nsave); -} - -int read (fd, buf, nbyte) -int fd; -char *buf; -int nbyte; -{ - - int rxmask,*rxadata; - int nsave; - volatile *rxstat; - - nsave = nbyte; - switch (fd) { - case 0 : - rxadata = RXADATA; - rxmask = 1; - break; - case 1 : - rxadata = RXBDATA; - rxmask = 0x10000; - break; - default: - return (-1); - } - rxstat = RXSTAT; - while (nbyte > 0) { - while ((*rxstat & rxmask) == 0); - *buf = *rxadata; - buf++; - nbyte--; - } - return (nsave); -} - -char * -puts(s) -char *s; -{ - while (*s) write(0,s++,1); -} - -main() -{ - puts("Hello world!\n"); -} - |