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Bugfixes on startup routine 

Memory addresses should be preceded by '#' when referring to them as integers
This commit is contained in:
Xavier ASUS 2019-10-25 02:56:56 +02:00
parent 46783fd76b
commit e801690e4f
1 changed files with 16 additions and 8 deletions
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24
src/stm8/main.c
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@ -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");
}
}