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/write_xstack.c
+++ b/libsrc/rp6502/write_xstack.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2023 Rumbledethumps
+ *
+ * SPDX-License-Identifier: Zlib
+ * SPDX-License-Identifier: BSD-3-Clause
+ * SPDX-License-Identifier: Unlicense
+ */
+
+#include <rp6502.h>
+
+int __fastcall__ write_xstack(const void *buf, unsigned count, int fildes)
+{
+    unsigned i;
+    for (i = count; i;)
+    {
+        ria_push_char(((char *)buf)[--i]);
+    }
+    ria_set_ax(fildes);
+    return ria_call_int_errno(RIA_OP_WRITE_XSTACK);
+}