static OPTION _z80_options[] =
{
- { 0, "--callee-saves-bc", &z80_opts.calleeSavesBC, "Force a called function to always save BC" },
- { 0, NULL }
+ { 0, "--callee-saves-bc", &z80_opts.calleeSavesBC, "Force a called function to always save BC" },
+ { 0, "--portmode=", NULL, "Determine PORT I/O mode (z80/z180)" },
+ { 0, NULL }
+ };
+
+static OPTION _gbz80_options[] =
+ {
+ { 0, "--callee-saves-bc", &z80_opts.calleeSavesBC, "Force a called function to always save BC" },
+ { 0, NULL }
};
typedef enum
"sfr",
"nonbanked",
"banked",
+ "at", //.p.t.20030714 adding support for 'sfr at ADDR' construct
+ "_naked", //.p.t.20030714 adding support for '_naked' functions
+ "critical",
NULL
};
}
static void
-_reset_regparm ()
+_reset_regparm (void)
{
_G.regParams = 0;
}
}
}
}
-
static int
_process_pragma (const char *sz)
{
- if (startsWith (sz, "bank="))
+ if( startsWith( sz, "bank=" ) || startsWith( sz, "bank " ))
+ {
+ char buffer[128];
+
+ if (sz[4]=='=')
+ werror(W_DEPRECATED_PRAGMA, "bank=");
+
+ strncpy (buffer, sz + 5, sizeof (buffer));
+ buffer[sizeof (buffer) - 1 ] = '\0';
+ chomp (buffer);
+ if (isdigit (buffer[0]))
{
- char buffer[128];
- strcpy (buffer, sz + 5);
- chomp (buffer);
- if (isdigit (buffer[0]))
- {
- }
- else if (!strcmp (buffer, "BASE"))
- {
- strcpy (buffer, "HOME");
- }
- if (isdigit (buffer[0]))
- {
+ }
+ else if (!strcmp (buffer, "BASE"))
+ {
+ strcpy (buffer, "HOME");
+ }
+ if (isdigit (buffer[0]))
+ {
/* Arg was a bank number. Handle in an ASM independent
way. */
- char num[128];
- strcpy (num, sz + 5);
- chomp (num);
+ char num[128];
+ strncpy (num, sz + 5, sizeof (num));
+ num[sizeof (num) -1] = '\0';
+ chomp (num);
- switch (_G.asmType)
- {
+ switch (_G.asmType)
+ {
case ASM_TYPE_ASXXXX:
sprintf (buffer, "CODE_%s", num);
break;
break;
default:
wassert (0);
- }
- }
- gbz80_port.mem.code_name = Safe_strdup (buffer);
- code->sname = gbz80_port.mem.code_name;
- return 0;
+ }
}
+ gbz80_port.mem.code_name = Safe_strdup (buffer);
+ code->sname = gbz80_port.mem.code_name;
+ return 0;
+ }
+ else if( startsWith( sz, "portmode=" ) || startsWith( sz, "portmode " ))
+ { /*.p.t.20030716 - adding pragma to manipulate z80 i/o port addressing modes */
+ char bfr[128];
+
+ if (sz[8]=='=')
+ werror(W_DEPRECATED_PRAGMA, "portmode=");
+
+ strncpy( bfr, sz + 9, sizeof (bfr));
+ bfr[sizeof (bfr) - 1] = '\0';
+ chomp( bfr );
+
+ if ( !strcmp( bfr, "z80" )){ z80_opts.port_mode = 80; }
+ else if( !strcmp( bfr, "z180" )){ z80_opts.port_mode = 180; }
+ else if( !strcmp( bfr, "save" )){ z80_opts.port_back = z80_opts.port_mode; }
+ else if( !strcmp( bfr, "restore" )){ z80_opts.port_mode = z80_opts.port_back; }
+ else return( 1 );
+
+ return( 0 );
+ }
+
return 1;
}
return TRUE;
}
}
+ else if (!strncmp (argv[*i], "--portmode=", 11))
+ {
+ if (!strcmp (argv[*i], "--portmode=z80"))
+ {
+ z80_opts.port_mode = 80;
+ return TRUE;
+ }
+ else if (!strcmp (argv[*i], "--portmode=z180"))
+ {
+ z80_opts.port_mode = 180;
+ return TRUE;
+ }
+ }
}
return FALSE;
}
return FALSE;
}
+/* Indicate which extended bit operations this port supports */
+static bool
+hasExtBitOp (int op, int size)
+{
+ if (op == GETHBIT)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/* Indicate the expense of an access to an output storage class */
+static int
+oclsExpense (struct memmap *oclass)
+{
+ if (IN_FARSPACE(oclass))
+ return 1;
+
+ return 0;
+}
+
+
+#define LINKCMD "link-{port} -nf {dstfilename}"
+/*
#define LINKCMD \
"link-{port} -n -c -- {z80bases} -m -j" \
" {z80libspec}" \
" {z80crt0}" \
" \"{dstfilename}{objext}\"" \
" {z80extraobj}"
+*/
#define ASMCMD \
"as-{port} -plosgff \"{objdstfilename}\" \"{dstfilename}{asmext}\""
NULL,
LINKCMD,
NULL,
- ".o"
+ ".o",
+ 1
},
{
_z80_defaultRules
"CODE",
"DATA",
"ISEG",
+ NULL, /* pdata */
"XSEG",
"BSEG",
"RSEG",
{
0, 2
},
+ {
+ z80_emitDebuggerSymbol
+ },
+ {
+ 255, /* maxCount */
+ 3, /* sizeofElement */
+ /* The rest of these costs are bogus. They approximate */
+ /* the behavior of src/SDCCicode.c 1.207 and earlier. */
+ {4,4,4}, /* sizeofMatchJump[] */
+ {0,0,0}, /* sizeofRangeCompare[] */
+ 0, /* sizeofSubtract */
+ 3, /* sizeofDispatch */
+ },
"_",
_z80_init,
_parseOptions,
_z80_options,
+ NULL,
_finaliseOptions,
_setDefaultOptions,
z80_assignRegisters,
NULL, /* no genAssemblerEnd */
0, /* no local IVT generation code */
0, /* no genXINIT code */
+ NULL, /* genInitStartup */
_reset_regparm,
_reg_parm,
_process_pragma,
_mangleSupportFunctionName,
_hasNativeMulFor,
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
TRUE,
+ TRUE, /* little endian */
0, /* leave lt */
0, /* leave gt */
1, /* transform <= to ! > */
NULL,
LINKCMD,
NULL,
- ".o"
+ ".o",
+ 1
},
{
_gbz80_defaultRules
"CODE",
"DATA",
"ISEG",
+ NULL, /* pdata */
"XSEG",
"BSEG",
"RSEG",
{
0, 2
},
+ {
+ z80_emitDebuggerSymbol
+ },
+ {
+ 255, /* maxCount */
+ 3, /* sizeofElement */
+ /* The rest of these costs are bogus. They approximate */
+ /* the behavior of src/SDCCicode.c 1.207 and earlier. */
+ {4,4,4}, /* sizeofMatchJump[] */
+ {0,0,0}, /* sizeofRangeCompare[] */
+ 0, /* sizeofSubtract */
+ 3, /* sizeofDispatch */
+ },
"_",
_gbz80_init,
_parseOptions,
- _z80_options,
+ _gbz80_options,
+ NULL,
_finaliseOptions,
_setDefaultOptions,
z80_assignRegisters,
NULL, /* no genAssemblerEnd */
0, /* no local IVT generation code */
0, /* no genXINIT code */
+ NULL, /* genInitStartup */
_reset_regparm,
_reg_parm,
_process_pragma,
_mangleSupportFunctionName,
_hasNativeMulFor,
+ hasExtBitOp, /* hasExtBitOp */
+ oclsExpense, /* oclsExpense */
TRUE,
+ TRUE, /* little endian */
0, /* leave lt */
0, /* leave gt */
1, /* transform <= to ! > */
projects / fw / sdcc / blobdiff