Bugfixes on startup routine

Memory addresses should be preceded by '#' when referring to them as integers

1 files changed, 16 insertions, 8 deletions

diff --git a/src/stm8/main.c b/src/stm8/main.c
index 5c48247..3226aae 100644
--- a/src/stm8/main.c
+++ b/src/stm8/main.c
@@ -278,23 +278,31 @@ stm8_genInitStartup (FILE *of)
       fprintf(of,
       "\t.global _start\n"
       "_start:\n"
-      "\t; Zeroing .bss\n"
-      "\tldw x, __bss_start\n"
+      "\t; Check if there is at least one byte allocated on .bss\n"
+      "\tldw x, #__bss_start\n"
+      "\tcpw x, #__bss_end\n"
+      "\tjreq 1$\n"
       "0$:\n"
+      "\t; Zeroing .bss\n"
       "\tclr (x)\n"
       "\tincw x\n"
-      "\tcpw x, __bss_end\n"
+      "\tcpw x, #__bss_end\n"
       "\tjrne 0$\n"
-      "\t; Transfer .data from ROM to RAM\n"
-      "\tldw x, __data_load_start\n"
-      "\tldw y, __data_start\n"
       "1$:\n"
+      "\t; Check if there is at least one byte allocated on .data\n"
+      "\tldw y, #__data_start\n"
+      "\tcpw y, #_edata\n"
+      "\tjreq 3$\n"
+      "\t; Transfer .data from ROM to RAM\n"
+      "\tldw x, #__data_load_start\n"
+      "2$:\n"
       "\tld a, (x)\n"
       "\tld (y), a\n"
       "\tincw x\n"
       "\tincw y\n"
-      "\tcpw y, _edata\n"
-      "\tjrne 1$\n");
+      "\tcpw y, #_edata\n"
+      "\tjrne 2$\n"
+      "3$:\n");
     }
 }