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-rw-r--r--c/libc.s7
1 files changed, 7 insertions, 0 deletions
diff --git a/c/libc.s b/c/libc.s
index 7897a79..724fc3b 100644
--- a/c/libc.s
+++ b/c/libc.s
@@ -1,6 +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
+ .globl _sys_net
;; SDCC sm83 sdcccall(1): 1st arg -> A (byte) or DE (pointer); ret A / BC.
;; rst $30 (the trap) clobbers BC/DE/HL; SDCC treats them caller-saved, so
;; wrappers need not preserve them - but we compute cleanly regardless.
@@ -116,6 +117,12 @@ _srecv_nb:
1$: ld bc, #0xffff
ret
+ ;; unsigned char sys_net(void *req /*DE*/) -> A -- socket layer trap
+_sys_net:
+ ld c, #33 ; SYS_NET (DE already = &netreq)
+ rst #0x30
+ ret
+
;; unsigned char pollin(void) -> A (typed OSK char, or 0)
_pollin:
ld c, #32 ; SYS_POLLIN