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Diffstat (limited to '')
| -rw-r--r-- | usr/libc.s | 8 |
1 files changed, 7 insertions, 1 deletions
@@ -1,7 +1,7 @@ .module libc .globl _writes, _putc, _puts, _nl, _strlen, _readc, _sexit, _getpid, _getargs .globl _open, _close, _fgetc, _fputc, _flist, _fremove, _pipe, _ssend, _srecv, _srecv_nb, _pollin, _pollcon - .globl _sys_net, _gsleep + .globl _sys_net, _gsleep, _gticks ;; SDCC sm83 sdcccall(1): 1st arg -> A (byte) or DE (pointer); ret A / BC. ;; rst $30 (the trap) clobbers BC/DE/HL; SDCC treats them caller-saved, so ;; wrappers need not preserve them - but we compute cleanly regardless. @@ -130,6 +130,12 @@ _gsleep: rst #0x30 ret + ;; void gticks(unsigned char buf[4] /*DE*/) - 64 Hz uptime ticks, LE +_gticks: + ld c, #36 ; SYS_UPTIME + rst #0x30 + ret + ;; unsigned char pollin(void) -> A (typed OSK char, or 0) _pollin: ld c, #32 ; SYS_POLLIN |