add rp6502 target

2023-11-16 18:46:16 -08:00
parent d7d1d89698
commit b17c4d3434
37 changed files with 1253 additions and 0 deletions
--- a/libsrc/rp6502/lseek.c
+++ b/libsrc/rp6502/lseek.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2023 Rumbledethumps
+ *
+ * SPDX-License-Identifier: Zlib
+ * SPDX-License-Identifier: BSD-3-Clause
+ * SPDX-License-Identifier: Unlicense
+ */
+
+#include <rp6502.h>
+#include <unistd.h>
+
+off_t __fastcall__ lseek(int fd, off_t offset, int whence)
+{
+    /* Modified argument order for short stacking offset */
+    ria_push_long(offset);
+    ria_push_char(whence);
+    ria_set_ax(fd);
+    return ria_call_long_errno(RIA_OP_LSEEK);
+}