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Implemented RFE #1899189
[fw/sdcc]
/
src
/
z80
/
peep.c
diff --git
a/src/z80/peep.c
b/src/z80/peep.c
index 7e27c07e52de6355648fc61d46d5b1f8efad36dd..ff72544bd6bf1d337f7ac256e693173a790ac2d3 100644
(file)
--- a/
src/z80/peep.c
+++ b/
src/z80/peep.c
@@
-229,8
+229,11
@@
z80MightRead(const lineNode *pl, const char *what)
strncmp(pl->line, "sub\t", 4) == 0 ||
strncmp(pl->line, "xor\t", 4) == 0)
{
strncmp(pl->line, "sub\t", 4) == 0 ||
strncmp(pl->line, "xor\t", 4) == 0)
{
- if( strstr(pl->line + 3, what) == 0 && strcmp("a", what))
- return FALSE;
+ if( strstr(pl->line + 3, what) != 0)
+ return TRUE;
+ if( strstr(pl->line + 3, "hl") == 0 && strcmp("a", what) == 0)
+ return TRUE;
+ return FALSE;
}
if(strncmp(pl->line, "pop\t", 4) == 0)
}
if(strncmp(pl->line, "pop\t", 4) == 0)
@@
-255,6
+258,9
@@
z80MightRead(const lineNode *pl, const char *what)
(bool)(strncmp(pl->line, "jr\t", 3)) == 0)
return FALSE;
(bool)(strncmp(pl->line, "jr\t", 3)) == 0)
return FALSE;
+ if(strncmp(pl->line, "djnz\t", 5) == 0)
+ return(strchr(what, 'b') != 0);
+
if(strncmp(pl->line, "rla", 3) == 0 ||
strncmp(pl->line, "rlca", 4) == 0)
return(strcmp(what, "a") == 0);
if(strncmp(pl->line, "rla", 3) == 0 ||
strncmp(pl->line, "rlca", 4) == 0)
return(strcmp(what, "a") == 0);
@@
-275,7
+281,8
@@
static bool
z80CondJump(const lineNode *pl)
{
if((strncmp(pl->line, "jp\t", 3) == 0 ||
z80CondJump(const lineNode *pl)
{
if((strncmp(pl->line, "jp\t", 3) == 0 ||
- strncmp(pl->line, "jr\t", 3) == 0) && strchr(pl->line, ',') != 0)
+ strncmp(pl->line, "jr\t", 3) == 0) && strchr(pl->line, ',') != 0 ||
+ strncmp(pl->line, "djnz\t", 5) == 0)
return TRUE;
return FALSE;
}
return TRUE;
return FALSE;
}