ref: e19507679341fc234a61bcdfb3685e61853543d2
dir: /src/asm/asmy.y/
%{
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "asm/symbol.h"
#include "asm/asm.h"
#include "asm/charmap.h"
#include "asm/output.h"
#include "asm/mylink.h"
#include "asm/fstack.h"
#include "asm/mymath.h"
#include "asm/rpn.h"
#include "asm/main.h"
#include "asm/lexer.h"
char *tzNewMacro;
ULONG ulNewMacroSize;
size_t symvaluetostring(char *dest, size_t maxLength, char *sym)
{
size_t length;
if (sym_isString(sym)) {
char *src = sym_GetStringValue(sym);
size_t i;
for (i = 0; src[i] != 0; i++) {
if (i >= maxLength) {
fatalerror("Symbol value too long to fit buffer");
}
dest[i] = src[i];
}
length = i;
} else {
ULONG value = sym_GetConstantValue(sym);
int fullLength = snprintf(dest, maxLength + 1, "$%lX", value);
if (fullLength < 0) {
fatalerror("snprintf encoding error");
} else {
length = (size_t)fullLength;
if (length > maxLength) {
fatalerror("Symbol value too long to fit buffer");
}
}
}
return length;
}
ULONG str2int( char *s )
{
ULONG r=0;
while( *s )
{
r<<=8;
r|=(UBYTE)(*s++);
}
return( r );
}
ULONG str2int2( char *s, int length )
{
int i;
ULONG r=0;
i = (length - 4 < 0 ? 0 : length - 4);
while(i < length)
{
r<<=8;
r|=(UBYTE)(s[i]);
i++;
}
return( r );
}
ULONG isWhiteSpace( char s )
{
return( s==' ' || s=='\t' || s=='\0' || s=='\n' );
}
ULONG isRept( char *s )
{
return( (strncasecmp(s,"REPT",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
ULONG isEndr( char *s )
{
return( (strncasecmp(s,"Endr",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
void copyrept( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( instring==0 )
{
if( isRept(src) )
{
level+=1;
src+=4;
}
else if( isEndr(src) )
{
level-=1;
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer-4;
src=pCurrentBuffer->pBuffer;
ulNewMacroSize=len;
if ((tzNewMacro = malloc(ulNewMacroSize + 1)) != NULL) {
ULONG i;
tzNewMacro[ulNewMacroSize]=0;
for( i=0; i<ulNewMacroSize; i+=1 )
{
if( (tzNewMacro[i]=src[i])=='\n' )
nLineNo+=1;
}
} else
fatalerror( "No mem for REPT block" );
yyskipbytes( ulNewMacroSize+4 );
}
ULONG isMacro( char *s )
{
return( (strncasecmp(s,"MACRO",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[5]) );
}
ULONG isEndm( char *s )
{
return( (strncasecmp(s,"Endm",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
void copymacro( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( instring==0 )
{
if( isMacro(src) )
{
level+=1;
src+=4;
}
else if( isEndm(src) )
{
level-=1;
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer-4;
src=pCurrentBuffer->pBuffer;
ulNewMacroSize=len;
if( (tzNewMacro=(char *)malloc(ulNewMacroSize+2))!=NULL )
{
ULONG i;
tzNewMacro[ulNewMacroSize]='\n';
tzNewMacro[ulNewMacroSize+1]=0;
for( i=0; i<ulNewMacroSize; i+=1 )
{
if( (tzNewMacro[i]=src[i])=='\n' )
nLineNo+=1;
}
}
else
fatalerror( "No mem for MACRO definition" );
yyskipbytes( ulNewMacroSize+4 );
}
ULONG isIf( char *s )
{
return( (strncasecmp(s,"If",2)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[2]) );
}
ULONG isElse( char *s )
{
return( (strncasecmp(s,"Else",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
ULONG isEndc( char *s )
{
return( (strncasecmp(s,"Endc",4)==0) && isWhiteSpace(*(s-1)) && isWhiteSpace(s[4]) );
}
void if_skip_to_else( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( *src=='\n' )
nLineNo+=1;
if( instring==0 )
{
if( isIf(src) )
{
level+=1;
src+=2;
}
else if( level==1 && isElse(src) )
{
level-=1;
src+=4;
}
else if( isEndc(src) )
{
level-=1;
if( level!=0 )
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer;
yyskipbytes( len );
yyunput( '\n' );
nLineNo-=1;
}
void if_skip_to_endc( void )
{
SLONG level=1, len, instring=0;
char *src=pCurrentBuffer->pBuffer;
while( *src && level )
{
if( *src=='\n' )
nLineNo+=1;
if( instring==0 )
{
if( isIf(src) )
{
level+=1;
src+=2;
}
else if( isEndc(src) )
{
level-=1;
if( level!=0 )
src+=4;
}
else
{
if( *src=='\"' )
instring=1;
src+=1;
}
}
else
{
if( *src=='\\' )
{
src+=2;
}
else if( *src=='\"' )
{
src+=1;
instring=0;
}
else
{
src+=1;
}
}
}
len=src-pCurrentBuffer->pBuffer;
yyskipbytes( len );
yyunput( '\n' );
nLineNo-=1;
}
%}
%union
{
char tzSym[MAXSYMLEN + 1];
char tzString[MAXSTRLEN + 1];
struct Expression sVal;
SLONG nConstValue;
}
%type <sVal> relocconst
%type <nConstValue> const
%type <nConstValue> const_3bit
%type <sVal> const_8bit
%type <sVal> const_16bit
%type <sVal> const_PCrel
%type <nConstValue> sectiontype
%type <tzString> string
%token <nConstValue> T_NUMBER
%token <tzString> T_STRING
%left T_OP_LOGICNOT
%left T_OP_LOGICOR T_OP_LOGICAND T_OP_LOGICEQU
%left T_OP_LOGICGT T_OP_LOGICLT T_OP_LOGICGE T_OP_LOGICLE T_OP_LOGICNE
%left T_OP_ADD T_OP_SUB
%left T_OP_OR T_OP_XOR T_OP_AND
%left T_OP_SHL T_OP_SHR
%left T_OP_MUL T_OP_DIV T_OP_MOD
%left T_OP_NOT
%left T_OP_DEF
%left T_OP_BANK
%left T_OP_SIN
%left T_OP_COS
%left T_OP_TAN
%left T_OP_ASIN
%left T_OP_ACOS
%left T_OP_ATAN
%left T_OP_ATAN2
%left T_OP_FDIV
%left T_OP_FMUL
%left T_OP_ROUND
%left T_OP_CEIL
%left T_OP_FLOOR
%left T_OP_STRCMP
%left T_OP_STRIN
%left T_OP_STRSUB
%left T_OP_STRLEN
%left T_OP_STRCAT
%left T_OP_STRUPR
%left T_OP_STRLWR
%left NEG /* negation--unary minus */
%token <tzSym> T_LABEL
%token <tzSym> T_ID
%token <tzSym> T_POP_EQU
%token <tzSym> T_POP_SET
%token <tzSym> T_POP_EQUS
%token T_POP_INCLUDE T_POP_PRINTF T_POP_PRINTT T_POP_PRINTV T_POP_IF T_POP_ELSE T_POP_ENDC
%token T_POP_IMPORT T_POP_EXPORT T_POP_GLOBAL
%token T_POP_DB T_POP_DS T_POP_DW T_POP_DL
%token T_POP_SECTION
%token T_POP_RB
%token T_POP_RW
%token T_POP_RL
%token T_POP_MACRO
%token T_POP_ENDM
%token T_POP_RSRESET T_POP_RSSET
%token T_POP_INCBIN T_POP_REPT
%token T_POP_CHARMAP
%token T_POP_SHIFT
%token T_POP_ENDR
%token T_POP_FAIL
%token T_POP_WARN
%token T_POP_PURGE
%token T_POP_POPS
%token T_POP_PUSHS
%token T_POP_POPO
%token T_POP_PUSHO
%token T_POP_OPT
%token T_SECT_WRAM0 T_SECT_VRAM T_SECT_ROMX T_SECT_ROM0 T_SECT_HRAM T_SECT_WRAMX T_SECT_SRAM
%token T_Z80_ADC T_Z80_ADD T_Z80_AND
%token T_Z80_BIT
%token T_Z80_CALL T_Z80_CCF T_Z80_CP T_Z80_CPL
%token T_Z80_DAA T_Z80_DEC T_Z80_DI
%token T_Z80_EI T_Z80_EX
%token T_Z80_HALT
%token T_Z80_INC
%token T_Z80_JP T_Z80_JR
%token T_Z80_LD
%token T_Z80_LDI
%token T_Z80_LDD
%token T_Z80_LDIO
%token T_Z80_NOP
%token T_Z80_OR
%token T_Z80_POP T_Z80_PUSH
%token T_Z80_RES T_Z80_RET T_Z80_RETI T_Z80_RST
%token T_Z80_RL T_Z80_RLA T_Z80_RLC T_Z80_RLCA
%token T_Z80_RR T_Z80_RRA T_Z80_RRC T_Z80_RRCA
%token T_Z80_SBC T_Z80_SCF T_Z80_STOP
%token T_Z80_SLA T_Z80_SRA T_Z80_SRL T_Z80_SUB T_Z80_SWAP
%token T_Z80_XOR
%token T_MODE_A T_MODE_B T_MODE_C T_MODE_C_IND T_MODE_D T_MODE_E T_MODE_H T_MODE_L
%token T_MODE_AF
%token T_MODE_BC T_MODE_BC_IND
%token T_MODE_DE T_MODE_DE_IND
%token T_MODE_SP T_MODE_SP_IND
%token T_MODE_HL T_MODE_HL_IND T_MODE_HL_INDDEC T_MODE_HL_INDINC
%token T_CC_NZ T_CC_Z T_CC_NC
%type <nConstValue> reg_r
%type <nConstValue> reg_ss
%type <nConstValue> reg_rr
%type <nConstValue> reg_tt
%type <nConstValue> ccode
%type <sVal> op_a_n
%type <nConstValue> op_a_r
%type <nConstValue> op_hl_ss
%type <sVal> op_mem_ind
%start asmfile
%%
asmfile : lines lastline;
lastline : /* empty */
| line {
nLineNo += 1;
nTotalLines += 1;
};
lines : /* empty */
| lines line '\n' {
nLineNo += 1;
nTotalLines += 1;
};
line : /* empty */
| label
| label cpu_command
| label macro
| label simple_pseudoop
| pseudoop;
label : /* empty */
| T_LABEL {
if ($1[0] == '.')
sym_AddLocalReloc($1);
else
sym_AddReloc($1);
} | T_LABEL ':' {
if ($1[0] == '.')
sym_AddLocalReloc($1);
else
sym_AddReloc($1);
} | T_LABEL ':' ':' {
sym_AddReloc($1);
sym_Export($1);
};
macro : T_ID {
yy_set_state(LEX_STATE_MACROARGS);
} macroargs {
yy_set_state(LEX_STATE_NORMAL);
if (!fstk_RunMacro($1)) {
fatalerror("Macro '%s' not defined", $1);
}
};
macroargs : /* empty */
| macroarg
| macroarg ',' macroargs;
macroarg : T_STRING {
sym_AddNewMacroArg($1);
};
pseudoop : equ
| set
| rb
| rw
| rl
| equs
| macrodef;
simple_pseudoop : include
| printf
| printt
| printv
| if
| else
| endc
| import
| export
| global
| db
| dw
| dl
| ds
| section
| rsreset
| rsset
| incbin
| charmap
| rept
| shift
| fail
| warn
| purge
| pops
| pushs
| popo
| pusho
| opt;
opt : T_POP_OPT {
yy_set_state(LEX_STATE_MACROARGS);
} opt_list {
yy_set_state(LEX_STATE_NORMAL);
};
opt_list : opt_list_entry
| opt_list_entry ',' opt_list;
opt_list_entry : T_STRING {
opt_Parse($1);
};
popo : T_POP_POPO {
opt_Pop();
};
pusho : T_POP_PUSHO {
opt_Push();
};
pops : T_POP_POPS {
out_PopSection();
};
pushs : T_POP_PUSHS {
out_PushSection();
};
fail : T_POP_FAIL string {
fatalerror("%s", $2);
};
warn : T_POP_WARN string {
yyerror("%s", $2);
};
shift : T_POP_SHIFT
{ sym_ShiftCurrentMacroArgs(); }
;
rept : T_POP_REPT const
{
copyrept();
fstk_RunRept( $2 );
}
;
macrodef : T_LABEL ':' T_POP_MACRO
{
copymacro();
sym_AddMacro($1);
}
;
equs : T_LABEL T_POP_EQUS string
{ sym_AddString( $1, $3 ); }
;
rsset : T_POP_RSSET const
{ sym_AddSet( "_RS", $2 ); }
;
rsreset : T_POP_RSRESET
{ sym_AddSet( "_RS", 0 ); }
;
rl : T_LABEL T_POP_RL const
{
sym_AddEqu( $1, sym_GetConstantValue("_RS") );
sym_AddSet( "_RS", sym_GetConstantValue("_RS")+4*$3 );
}
;
rw : T_LABEL T_POP_RW const
{
sym_AddEqu( $1, sym_GetConstantValue("_RS") );
sym_AddSet( "_RS", sym_GetConstantValue("_RS")+2*$3 );
}
;
rb : T_LABEL T_POP_RB const
{
sym_AddEqu( $1, sym_GetConstantValue("_RS") );
sym_AddSet( "_RS", sym_GetConstantValue("_RS")+$3 );
}
;
ds : T_POP_DS const
{ out_Skip( $2 ); }
;
db : T_POP_DB constlist_8bit
;
dw : T_POP_DW constlist_16bit
;
dl : T_POP_DL constlist_32bit
;
purge : T_POP_PURGE
{
oDontExpandStrings = true;
}
purge_list
{
oDontExpandStrings = false;
}
;
purge_list : purge_list_entry
| purge_list_entry ',' purge_list
;
purge_list_entry : T_ID { sym_Purge($1); }
;
import : T_POP_IMPORT import_list
;
import_list : import_list_entry
| import_list_entry ',' import_list
;
import_list_entry : T_ID { sym_Import($1); }
;
export : T_POP_EXPORT export_list
;
export_list : export_list_entry
| export_list_entry ',' export_list
;
export_list_entry : T_ID { sym_Export($1); }
;
global : T_POP_GLOBAL global_list
;
global_list : global_list_entry
| global_list_entry ',' global_list
;
global_list_entry : T_ID { sym_Global($1); }
;
equ : T_LABEL T_POP_EQU const
{ sym_AddEqu( $1, $3 ); }
;
set : T_LABEL T_POP_SET const
{ sym_AddSet( $1, $3 ); }
;
include : T_POP_INCLUDE string
{
fstk_RunInclude($2);
}
;
incbin : T_POP_INCBIN string
{ out_BinaryFile( $2 ); }
| T_POP_INCBIN string ',' const ',' const
{
out_BinaryFileSlice( $2, $4, $6 );
}
;
charmap : T_POP_CHARMAP string ',' string
{
if(charmap_Add($2, $4[0] & 0xFF) == -1)
{
fprintf(stderr, "Error parsing charmap. Either you've added too many (%i), or the input character length is too long (%i)' : %s\n", MAXCHARMAPS, CHARMAPLENGTH, strerror(errno));
yyerror("Error parsing charmap.");
}
}
| T_POP_CHARMAP string ',' const
{
if(charmap_Add($2, $4 & 0xFF) == -1)
{
fprintf(stderr, "Error parsing charmap. Either you've added too many (%i), or the input character length is too long (%i)' : %s\n", MAXCHARMAPS, CHARMAPLENGTH, strerror(errno));
yyerror("Error parsing charmap.");
}
}
;
printt : T_POP_PRINTT string
{
if( nPass==1 )
printf( "%s", $2 );
}
;
printv : T_POP_PRINTV const
{
if( nPass==1 )
printf( "$%lX", $2 );
}
;
printf : T_POP_PRINTF const
{
if( nPass==1 )
math_Print( $2 );
}
;
if : T_POP_IF const
{
nIFDepth+=1;
if( !$2 )
{
if_skip_to_else(); /* will continue parsing just after ELSE or just at ENDC keyword */
}
}
else : T_POP_ELSE
{
if_skip_to_endc(); /* will continue parsing just at ENDC keyword */
}
;
endc : T_POP_ENDC
{
nIFDepth-=1;
}
;
const_3bit : const
{
if( ($1<0) || ($1>7) )
{
yyerror("Immediate value must be 3-bit");
}
else
$$=$1&0x7;
}
;
constlist_8bit : constlist_8bit_entry
| constlist_8bit_entry ',' constlist_8bit
;
constlist_8bit_entry : { out_Skip( 1 ); }
| const_8bit { out_RelByte( &$1 ); }
| string { char *s; int length; s = $1; length = charmap_Convert(&s); out_AbsByteGroup(s, length); free(s); }
;
constlist_16bit : constlist_16bit_entry
| constlist_16bit_entry ',' constlist_16bit
;
constlist_16bit_entry : { out_Skip( 2 ); }
| const_16bit { out_RelWord( &$1 ); }
;
constlist_32bit : constlist_32bit_entry
| constlist_32bit_entry ',' constlist_32bit
;
constlist_32bit_entry : { out_Skip( 4 ); }
| relocconst { out_RelLong( &$1 ); }
;
const_PCrel : relocconst
{
$$ = $1;
if( !rpn_isPCRelative(&$1) )
yyerror("Expression must be PC-relative");
}
;
const_8bit : relocconst
{
if( (!rpn_isReloc(&$1)) && (($1.nVal<-128) || ($1.nVal>255)) )
{
yyerror("Expression must be 8-bit");
}
$$=$1;
}
;
const_16bit : relocconst
{
if( (!rpn_isReloc(&$1)) && (($1.nVal<-32768) || ($1.nVal>65535)) )
{
yyerror("Expression must be 16-bit");
}
$$=$1;
}
;
relocconst : T_ID
{ rpn_Symbol(&$$,$1); $$.nVal = sym_GetValue($1); }
| T_NUMBER
{ rpn_Number(&$$,$1); $$.nVal = $1; }
| string
{ char *s; int length; ULONG r; s = $1; length = charmap_Convert(&s); r = str2int2(s, length); free(s); rpn_Number(&$$,r); $$.nVal=r; }
| T_OP_LOGICNOT relocconst %prec NEG
{ rpn_LOGNOT(&$$,&$2); }
| relocconst T_OP_LOGICOR relocconst
{ rpn_LOGOR(&$$,&$1,&$3); }
| relocconst T_OP_LOGICAND relocconst
{ rpn_LOGAND(&$$,&$1,&$3); }
| relocconst T_OP_LOGICEQU relocconst
{ rpn_LOGEQU(&$$,&$1,&$3); }
| relocconst T_OP_LOGICGT relocconst
{ rpn_LOGGT(&$$,&$1,&$3); }
| relocconst T_OP_LOGICLT relocconst
{ rpn_LOGLT(&$$,&$1,&$3); }
| relocconst T_OP_LOGICGE relocconst
{ rpn_LOGGE(&$$,&$1,&$3); }
| relocconst T_OP_LOGICLE relocconst
{ rpn_LOGLE(&$$,&$1,&$3); }
| relocconst T_OP_LOGICNE relocconst
{ rpn_LOGNE(&$$,&$1,&$3); }
| relocconst T_OP_ADD relocconst
{ rpn_ADD(&$$,&$1,&$3); }
| relocconst T_OP_SUB relocconst
{ rpn_SUB(&$$,&$1,&$3); }
| relocconst T_OP_XOR relocconst
{ rpn_XOR(&$$,&$1,&$3); }
| relocconst T_OP_OR relocconst
{ rpn_OR(&$$,&$1,&$3); }
| relocconst T_OP_AND relocconst
{ rpn_AND(&$$,&$1,&$3); }
| relocconst T_OP_SHL relocconst
{ rpn_SHL(&$$,&$1,&$3); }
| relocconst T_OP_SHR relocconst
{ rpn_SHR(&$$,&$1,&$3); }
| relocconst T_OP_MUL relocconst
{ rpn_MUL(&$$,&$1,&$3); }
| relocconst T_OP_DIV relocconst
{ rpn_DIV(&$$,&$1,&$3); }
| relocconst T_OP_MOD relocconst
{ rpn_MOD(&$$,&$1,&$3); }
| T_OP_ADD relocconst %prec NEG
{ $$ = $2; }
| T_OP_SUB relocconst %prec NEG
{ rpn_UNNEG(&$$,&$2); }
| T_OP_NOT relocconst %prec NEG
{ rpn_UNNOT(&$$,&$2); }
| T_OP_BANK '(' T_ID ')'
{ rpn_Bank(&$$,$3); $$.nVal = 0; }
| T_OP_DEF { oDontExpandStrings = true; } '(' T_ID ')'
{ rpn_Number(&$$,sym_isConstDefined($4)); oDontExpandStrings = false; }
| T_OP_ROUND '(' const ')' { rpn_Number(&$$,math_Round($3)); }
| T_OP_CEIL '(' const ')' { rpn_Number(&$$,math_Ceil($3)); }
| T_OP_FLOOR '(' const ')' { rpn_Number(&$$,math_Floor($3)); }
| T_OP_FDIV '(' const ',' const ')' { rpn_Number(&$$,math_Div($3,$5)); }
| T_OP_FMUL '(' const ',' const ')' { rpn_Number(&$$,math_Mul($3,$5)); }
| T_OP_SIN '(' const ')' { rpn_Number(&$$,math_Sin($3)); }
| T_OP_COS '(' const ')' { rpn_Number(&$$,math_Cos($3)); }
| T_OP_TAN '(' const ')' { rpn_Number(&$$,math_Tan($3)); }
| T_OP_ASIN '(' const ')' { rpn_Number(&$$,math_ASin($3)); }
| T_OP_ACOS '(' const ')' { rpn_Number(&$$,math_ACos($3)); }
| T_OP_ATAN '(' const ')' { rpn_Number(&$$,math_ATan($3)); }
| T_OP_ATAN2 '(' const ',' const ')' { rpn_Number(&$$,math_ATan2($3,$5)); }
| T_OP_STRCMP '(' string ',' string ')' { rpn_Number(&$$,strcmp($3,$5)); }
| T_OP_STRIN '(' string ',' string ')'
{
char *p;
if( (p=strstr($3,$5))!=NULL )
{
rpn_Number(&$$,p-$3+1);
}
else
{
rpn_Number(&$$,0);
}
}
| T_OP_STRLEN '(' string ')' { rpn_Number(&$$,strlen($3)); }
| '(' relocconst ')'
{ $$ = $2; }
;
const : T_ID { $$ = sym_GetConstantValue($1); }
| T_NUMBER { $$ = $1; }
| string { $$ = str2int($1); }
| T_OP_LOGICNOT const %prec NEG { $$ = !$2; }
| const T_OP_LOGICOR const { $$ = $1 || $3; }
| const T_OP_LOGICAND const { $$ = $1 && $3; }
| const T_OP_LOGICEQU const { $$ = $1 == $3; }
| const T_OP_LOGICGT const { $$ = $1 > $3; }
| const T_OP_LOGICLT const { $$ = $1 < $3; }
| const T_OP_LOGICGE const { $$ = $1 >= $3; }
| const T_OP_LOGICLE const { $$ = $1 <= $3; }
| const T_OP_LOGICNE const { $$ = $1 != $3; }
| const T_OP_ADD const { $$ = $1 + $3; }
| const T_OP_SUB const { $$ = $1 - $3; }
| T_ID T_OP_SUB T_ID { $$ = sym_GetDefinedValue($1) - sym_GetDefinedValue($3); }
| const T_OP_XOR const { $$ = $1 ^ $3; }
| const T_OP_OR const { $$ = $1 | $3; }
| const T_OP_AND const { $$ = $1 & $3; }
| const T_OP_SHL const { $$ = $1 << $3; }
| const T_OP_SHR const { $$ = $1 >> $3; }
| const T_OP_MUL const { $$ = $1 * $3; }
| const T_OP_DIV const {
if ($3 == 0)
fatalerror("division by zero");
$$ = $1 / $3;
}
| const T_OP_MOD const {
if ($3 == 0)
fatalerror("division by zero");
$$ = $1 % $3;
}
| T_OP_ADD const %prec NEG { $$ = +$2; }
| T_OP_SUB const %prec NEG { $$ = -$2; }
| T_OP_NOT const %prec NEG { $$ = 0xFFFFFFFF^$2; }
| T_OP_ROUND '(' const ')' { $$ = math_Round($3); }
| T_OP_CEIL '(' const ')' { $$ = math_Ceil($3); }
| T_OP_FLOOR '(' const ')' { $$ = math_Floor($3); }
| T_OP_FDIV '(' const ',' const ')' { $$ = math_Div($3,$5); }
| T_OP_FMUL '(' const ',' const ')' { $$ = math_Mul($3,$5); }
| T_OP_SIN '(' const ')' { $$ = math_Sin($3); }
| T_OP_COS '(' const ')' { $$ = math_Cos($3); }
| T_OP_TAN '(' const ')' { $$ = math_Tan($3); }
| T_OP_ASIN '(' const ')' { $$ = math_ASin($3); }
| T_OP_ACOS '(' const ')' { $$ = math_ACos($3); }
| T_OP_ATAN '(' const ')' { $$ = math_ATan($3); }
| T_OP_ATAN2 '(' const ',' const ')' { $$ = math_ATan2($3,$5); }
| T_OP_DEF { oDontExpandStrings = true; } '(' T_ID ')' { $$ = sym_isConstDefined($4); oDontExpandStrings = false; }
| T_OP_STRCMP '(' string ',' string ')' { $$ = strcmp( $3, $5 ); }
| T_OP_STRIN '(' string ',' string ')'
{
char *p;
if( (p=strstr($3,$5))!=NULL )
{
$$ = p-$3+1;
}
else
{
$$ = 0;
}
}
| T_OP_STRLEN '(' string ')' { $$ = strlen($3); }
| '(' const ')' { $$ = $2; }
;
string : T_STRING
{ strcpy($$,$1); }
| T_OP_STRSUB '(' string ',' const ',' const ')'
{ strncpy($$,$3+$5-1,$7); $$[$7]=0; }
| T_OP_STRCAT '(' string ',' string ')'
{ strcpy($$,$3); strcat($$,$5); }
| T_OP_STRUPR '(' string ')'
{ strcpy($$,$3); strupr($$); }
| T_OP_STRLWR '(' string ')'
{ strcpy($$,$3); strlwr($$); }
;
section:
T_POP_SECTION string ',' sectiontype
{
out_NewSection($2,$4);
}
| T_POP_SECTION string ',' sectiontype '[' const ']'
{
if( $6>=0 && $6<0x10000 )
out_NewAbsSection($2,$4,$6,-1);
else
yyerror("Address $%x not 16-bit", $6);
}
| T_POP_SECTION string ',' sectiontype ',' T_OP_BANK '[' const ']'
{
if( $4==SECT_ROMX ) {
if( $8>=1 && $8<=0x1ff )
out_NewAbsSection($2,$4,-1,$8);
else
yyerror("ROM bank value $%x out of range (1 to $1ff)", $8);
} else if ($4 == SECT_SRAM) {
if ($8 >= 0 && $8 <= 3) {
out_NewAbsSection($2, $4, -1, $8);
} else {
yyerror("SRAM bank value $%x out of range (0 to 3)", $8);
}
} else if ($4 == SECT_WRAMX) {
if ($8 >= 1 && $8 <= 7) {
out_NewAbsSection($2, $4, -1, $8 - 1);
} else {
yyerror("WRAMX bank value $%x out of range (1 to 7)", $8);
}
} else if ($4 == SECT_VRAM) {
if ($8 >= 0 && $8 <= 1) {
out_NewAbsSection($2, $4, -1, $8);
} else {
yyerror("VRAM bank value $%x out of range (0 to 1)", $8);
}
} else {
yyerror("BANK only allowed for ROMX, WRAMX, SRAM, or VRAM sections");
}
}
| T_POP_SECTION string ',' sectiontype '[' const ']' ',' T_OP_BANK '[' const ']'
{
if( $4==SECT_ROMX ) {
if( $6>=0 && $6<0x10000 ) {
if( $11>=1 && $11<=0x1ff )
out_NewAbsSection($2,$4,$6,$11);
else
yyerror("ROM bank value $%x out of range (1 to $1ff)", $11);
} else
yyerror("Address $%x not 16-bit", $6);
} else if ($4 == SECT_SRAM) {
if ($6 >= 0 && $6 < 0x10000) {
if ($11 >= 0 && $11 <= 3) {
out_NewAbsSection($2, $4, $6, $11);
} else {
yyerror("SRAM bank value $%x out of range (0 to 3)", $11);
}
} else {
yyerror("Address $%x not 16-bit", $6);
}
} else if ($4 == SECT_WRAMX) {
if ($6 >= 0 && $6 < 0x10000) {
if ($11 >= 1 && $11 <= 7) {
out_NewAbsSection($2, $4, $6, $11 - 1);
} else {
yyerror("WRAMX bank value $%x out of range (1 to 7)", $11);
}
} else {
yyerror("Address $%x not 16-bit", $6);
}
} else if ($4 == SECT_VRAM) {
if ($6 >= 0 && $6 < 0x10000) {
if ($11 >= 0 && $11 <= 1) {
out_NewAbsSection($2,$4,$6,$11);
} else {
yyerror("VRAM bank value $%x out of range (0 to 1)", $11);
}
} else {
yyerror("Address $%x not 16-bit", $6);
}
} else {
yyerror("BANK only allowed for ROMX, WRAMX, SRAM, or VRAM sections");
}
}
;
sectiontype:
T_SECT_WRAM0 { $$=SECT_WRAM0; }
| T_SECT_VRAM { $$=SECT_VRAM; }
| T_SECT_ROMX { $$=SECT_ROMX; }
| T_SECT_ROM0 { $$=SECT_ROM0; }
| T_SECT_HRAM { $$=SECT_HRAM; }
| T_SECT_WRAMX { $$=SECT_WRAMX; }
| T_SECT_SRAM { $$=SECT_SRAM; }
;
cpu_command : z80_adc
| z80_add
| z80_and
| z80_bit
| z80_call
| z80_ccf
| z80_cp
| z80_cpl
| z80_daa
| z80_dec
| z80_di
| z80_ei
| z80_ex
| z80_halt
| z80_inc
| z80_jp
| z80_jr
| z80_ld
| z80_ldd
| z80_ldi
| z80_ldio
| z80_nop
| z80_or
| z80_pop
| z80_push
| z80_res
| z80_ret
| z80_reti
| z80_rl
| z80_rla
| z80_rlc
| z80_rlca
| z80_rr
| z80_rra
| z80_rrc
| z80_rrca
| z80_rst
| z80_sbc
| z80_scf
| z80_set
| z80_sla
| z80_sra
| z80_srl
| z80_stop
| z80_sub
| z80_swap
| z80_xor
;
z80_adc : T_Z80_ADC op_a_n { out_AbsByte(0xCE); out_RelByte(&$2); }
| T_Z80_ADC op_a_r { out_AbsByte(0x88|$2); }
;
z80_add : T_Z80_ADD op_a_n { out_AbsByte(0xC6); out_RelByte(&$2); }
| T_Z80_ADD op_a_r { out_AbsByte(0x80|$2); }
| T_Z80_ADD op_hl_ss { out_AbsByte(0x09|($2<<4)); }
| T_Z80_ADD T_MODE_SP comma const_8bit
{ out_AbsByte(0xE8); out_RelByte(&$4); }
;
z80_and : T_Z80_AND op_a_n { out_AbsByte(0xE6); out_RelByte(&$2); }
| T_Z80_AND op_a_r { out_AbsByte(0xA0|$2); }
;
z80_bit : T_Z80_BIT const_3bit comma reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x40|($2<<3)|$4); }
;
z80_call : T_Z80_CALL const_16bit
{ out_AbsByte(0xCD); out_RelWord(&$2); }
| T_Z80_CALL ccode comma const_16bit
{ out_AbsByte(0xC4|($2<<3)); out_RelWord(&$4); }
;
z80_ccf : T_Z80_CCF
{ out_AbsByte(0x3F); }
;
z80_cp : T_Z80_CP op_a_n { out_AbsByte(0xFE); out_RelByte(&$2); }
| T_Z80_CP op_a_r { out_AbsByte(0xB8|$2); }
;
z80_cpl : T_Z80_CPL { out_AbsByte(0x2F); }
;
z80_daa : T_Z80_DAA { out_AbsByte(0x27); }
;
z80_dec : T_Z80_DEC reg_r
{ out_AbsByte(0x05|($2<<3)); }
| T_Z80_DEC reg_ss
{ out_AbsByte(0x0B|($2<<4)); }
;
z80_di : T_Z80_DI
{ out_AbsByte(0xF3); }
;
z80_ei : T_Z80_EI
{ out_AbsByte(0xFB); }
;
z80_ex : T_Z80_EX T_MODE_HL comma T_MODE_SP_IND
{ out_AbsByte(0xE3); }
| T_Z80_EX T_MODE_SP_IND comma T_MODE_HL
{ out_AbsByte(0xE3); }
;
z80_halt: T_Z80_HALT
{
out_AbsByte(0x76);
if (CurrentOptions.haltnop) {
out_AbsByte(0x00);
}
}
;
z80_inc : T_Z80_INC reg_r
{ out_AbsByte(0x04|($2<<3)); }
| T_Z80_INC reg_ss
{ out_AbsByte(0x03|($2<<4)); }
;
z80_jp : T_Z80_JP const_16bit
{ out_AbsByte(0xC3); out_RelWord(&$2); }
| T_Z80_JP ccode comma const_16bit
{ out_AbsByte(0xC2|($2<<3)); out_RelWord(&$4); }
| T_Z80_JP T_MODE_HL_IND
{ out_AbsByte(0xE9); }
| T_Z80_JP T_MODE_HL
{ out_AbsByte(0xE9); }
;
z80_jr : T_Z80_JR const_PCrel
{ out_AbsByte(0x18); out_PCRelByte(&$2); }
| T_Z80_JR ccode comma const_PCrel
{ out_AbsByte(0x20|($2<<3)); out_PCRelByte(&$4); }
;
z80_ldi : T_Z80_LDI T_MODE_HL_IND comma T_MODE_A
{ out_AbsByte(0x02|(2<<4)); }
| T_Z80_LDI T_MODE_A comma T_MODE_HL
{ out_AbsByte(0x0A|(2<<4)); }
;
z80_ldd : T_Z80_LDD T_MODE_HL_IND comma T_MODE_A
{ out_AbsByte(0x02|(3<<4)); }
| T_Z80_LDD T_MODE_A comma T_MODE_HL
{ out_AbsByte(0x0A|(3<<4)); }
;
z80_ldio : T_Z80_LDIO T_MODE_A comma op_mem_ind
{
rpn_CheckHRAM(&$4,&$4);
if( (!rpn_isReloc(&$4))
&& ($4.nVal<0 || ($4.nVal>0xFF && $4.nVal<0xFF00) || $4.nVal>0xFFFF) )
{
yyerror("Source address $%x not in HRAM ($FF00 to $FFFE)", $4.nVal);
}
out_AbsByte(0xF0);
$4.nVal&=0xFF;
out_RelByte(&$4);
}
| T_Z80_LDIO op_mem_ind comma T_MODE_A
{
rpn_CheckHRAM(&$2,&$2);
if( (!rpn_isReloc(&$2))
&& ($2.nVal<0 || ($2.nVal>0xFF && $2.nVal<0xFF00) || $2.nVal>0xFFFF) )
{
yyerror("Destination address $%x not in HRAM ($FF00 to $FFFE)", $2.nVal);
}
out_AbsByte(0xE0);
$2.nVal&=0xFF;
out_RelByte(&$2);
}
;
z80_ld : z80_ld_mem
| z80_ld_cind
| z80_ld_rr
| z80_ld_ss
| z80_ld_hl
| z80_ld_sp
| z80_ld_r
| z80_ld_a
;
z80_ld_hl : T_Z80_LD T_MODE_HL comma '[' T_MODE_SP const_8bit ']'
{ out_AbsByte(0xF8); out_RelByte(&$6); }
| T_Z80_LD T_MODE_HL comma T_MODE_SP const_8bit
{ out_AbsByte(0xF8); out_RelByte(&$5); }
| T_Z80_LD T_MODE_HL comma const_16bit
{ out_AbsByte(0x01|(REG_HL<<4)); out_RelWord(&$4); }
;
z80_ld_sp : T_Z80_LD T_MODE_SP comma T_MODE_HL
{ out_AbsByte(0xF9); }
| T_Z80_LD T_MODE_SP comma const_16bit
{ out_AbsByte(0x01|(REG_SP<<4)); out_RelWord(&$4); }
;
z80_ld_mem : T_Z80_LD op_mem_ind comma T_MODE_SP
{ out_AbsByte(0x08); out_RelWord(&$2); }
| T_Z80_LD op_mem_ind comma T_MODE_A
{
if( (!rpn_isReloc(&$2)) && $2.nVal>=0xFF00)
{
out_AbsByte(0xE0);
out_AbsByte($2.nVal&0xFF);
}
else
{
out_AbsByte(0xEA);
out_RelWord(&$2);
}
}
;
z80_ld_cind : T_Z80_LD T_MODE_C_IND comma T_MODE_A
{ out_AbsByte(0xE2); }
;
z80_ld_rr : T_Z80_LD reg_rr comma T_MODE_A
{ out_AbsByte(0x02|($2<<4)); }
;
z80_ld_r : T_Z80_LD reg_r comma const_8bit
{ out_AbsByte(0x06|($2<<3)); out_RelByte(&$4); }
| T_Z80_LD reg_r comma reg_r
{
if( ($2==REG_HL_IND) && ($4==REG_HL_IND) )
{
yyerror("LD [HL],[HL] not a valid instruction");
}
else
out_AbsByte(0x40|($2<<3)|$4);
}
;
z80_ld_a : T_Z80_LD reg_r comma T_MODE_C_IND
{
if( $2==REG_A )
out_AbsByte(0xF2);
else
{
yyerror("Destination operand must be A");
}
}
| T_Z80_LD reg_r comma reg_rr
{
if( $2==REG_A )
out_AbsByte(0x0A|($4<<4));
else
{
yyerror("Destination operand must be A");
}
}
| T_Z80_LD reg_r comma op_mem_ind
{
if( $2==REG_A )
{
if( (!rpn_isReloc(&$4)) && $4.nVal>=0xFF00 )
{
out_AbsByte(0xF0);
out_AbsByte($4.nVal&0xFF);
}
else
{
out_AbsByte(0xFA);
out_RelWord(&$4);
}
}
else
{
yyerror("Destination operand must be A");
}
}
;
z80_ld_ss : T_Z80_LD reg_ss comma const_16bit
{ out_AbsByte(0x01|($2<<4)); out_RelWord(&$4); }
;
z80_nop : T_Z80_NOP
{ out_AbsByte(0x00); }
;
z80_or : T_Z80_OR op_a_n
{ out_AbsByte(0xF6); out_RelByte(&$2); }
| T_Z80_OR op_a_r
{ out_AbsByte(0xB0|$2); }
;
z80_pop : T_Z80_POP reg_tt
{ out_AbsByte(0xC1|($2<<4)); }
;
z80_push : T_Z80_PUSH reg_tt
{ out_AbsByte(0xC5|($2<<4)); }
;
z80_res : T_Z80_RES const_3bit comma reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x80|($2<<3)|$4); }
;
z80_ret : T_Z80_RET
{ out_AbsByte(0xC9); }
| T_Z80_RET ccode
{ out_AbsByte(0xC0|($2<<3)); }
;
z80_reti : T_Z80_RETI
{ out_AbsByte(0xD9); }
;
z80_rl : T_Z80_RL reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x10|$2); }
;
z80_rla : T_Z80_RLA
{ out_AbsByte(0x17); }
;
z80_rlc : T_Z80_RLC reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x00|$2); }
;
z80_rlca : T_Z80_RLCA
{ out_AbsByte(0x07); }
;
z80_rr : T_Z80_RR reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x18|$2); }
;
z80_rra : T_Z80_RRA
{ out_AbsByte(0x1F); }
;
z80_rrc : T_Z80_RRC reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x08|$2); }
;
z80_rrca : T_Z80_RRCA
{ out_AbsByte(0x0F); }
;
z80_rst : T_Z80_RST const_8bit
{
if( rpn_isReloc(&$2) )
{
yyerror("Address for RST must be absolute");
}
else if( ($2.nVal&0x38)!=$2.nVal )
{
yyerror("Invalid address $%x for RST", $2.nVal);
}
else
out_AbsByte(0xC7|$2.nVal);
}
;
z80_sbc : T_Z80_SBC op_a_n { out_AbsByte(0xDE); out_RelByte(&$2); }
| T_Z80_SBC op_a_r { out_AbsByte(0x98|$2); }
;
z80_scf : T_Z80_SCF
{ out_AbsByte(0x37); }
;
z80_set : T_POP_SET const_3bit comma reg_r
{ out_AbsByte(0xCB); out_AbsByte(0xC0|($2<<3)|$4); }
;
z80_sla : T_Z80_SLA reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x20|$2); }
;
z80_sra : T_Z80_SRA reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x28|$2); }
;
z80_srl : T_Z80_SRL reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x38|$2); }
;
z80_stop : T_Z80_STOP
{ out_AbsByte(0x10); out_AbsByte(0x00); }
;
z80_sub : T_Z80_SUB op_a_n { out_AbsByte(0xD6); out_RelByte(&$2); }
| T_Z80_SUB op_a_r { out_AbsByte(0x90|$2); }
;
z80_swap : T_Z80_SWAP reg_r
{ out_AbsByte(0xCB); out_AbsByte(0x30|$2); }
;
z80_xor : T_Z80_XOR op_a_n { out_AbsByte(0xEE); out_RelByte(&$2); }
| T_Z80_XOR op_a_r { out_AbsByte(0xA8|$2); }
;
op_mem_ind : '[' const_16bit ']' { $$ = $2; }
;
op_hl_ss : reg_ss { $$ = $1; }
| T_MODE_HL comma reg_ss { $$ = $3; }
;
op_a_r : reg_r { $$ = $1; }
| T_MODE_A comma reg_r { $$ = $3; }
;
op_a_n : const_8bit { $$ = $1; }
| T_MODE_A comma const_8bit { $$ = $3; }
;
comma : ','
;
ccode : T_CC_NZ { $$ = CC_NZ; }
| T_CC_Z { $$ = CC_Z; }
| T_CC_NC { $$ = CC_NC; }
| T_MODE_C { $$ = CC_C; }
;
reg_r : T_MODE_B { $$ = REG_B; }
| T_MODE_C { $$ = REG_C; }
| T_MODE_D { $$ = REG_D; }
| T_MODE_E { $$ = REG_E; }
| T_MODE_H { $$ = REG_H; }
| T_MODE_L { $$ = REG_L; }
| T_MODE_HL_IND { $$ = REG_HL_IND; }
| T_MODE_A { $$ = REG_A; }
;
reg_tt : T_MODE_BC { $$ = REG_BC; }
| T_MODE_DE { $$ = REG_DE; }
| T_MODE_HL { $$ = REG_HL; }
| T_MODE_AF { $$ = REG_AF; }
;
reg_ss : T_MODE_BC { $$ = REG_BC; }
| T_MODE_DE { $$ = REG_DE; }
| T_MODE_HL { $$ = REG_HL; }
| T_MODE_SP { $$ = REG_SP; }
;
reg_rr : T_MODE_BC_IND { $$ = REG_BC_IND; }
| T_MODE_DE_IND { $$ = REG_DE_IND; }
| T_MODE_HL_INDINC { $$ = REG_HL_INDINC; }
| T_MODE_HL_INDDEC { $$ = REG_HL_INDDEC; }
;
%%