//
-// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
+// RMAC - Reboot's Macro Assembler for all Atari computers
// RMAC.C - Main Application Code
-// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends
// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
-// Source Utilised with the Kind Permission of Landon Dyer
+// Source utilised with the kind permission of Landon Dyer
//
#include "rmac.h"
+#include "6502.h"
+#include "debug.h"
+#include "direct.h"
#include "error.h"
-#include "listing.h"
-#include "procln.h"
-#include "token.h"
#include "expr.h"
-#include "sect.h"
+#include "listing.h"
#include "mark.h"
#include "macro.h"
+#include "object.h"
+#include "procln.h"
#include "riscasm.h"
-#include "direct.h"
-#include "version.h"
-#include "debug.h"
+#include "sect.h"
#include "symbol.h"
-#include "object.h"
-
-int perm_verb_flag; // Permanently verbose, interactive mode
-int list_flag; // "-l" Listing flag on command line
-int verb_flag; // Be verbose about what's going on
-int as68_flag; // as68 kludge mode
-int glob_flag; // Assume undefined symbols are global
-int lsym_flag; // Include local symbols in object file
-int sbra_flag; // Warn about possible short branches
-int legacy_flag; // Do stuff like insert code in RISC assembler
-int obj_format; // Object format flag
-int debug; // [1..9] Enable debugging levels
-int err_flag; // '-e' specified
-int err_fd; // File to write error messages to
-int rgpu, rdsp; // Assembling Jaguar GPU or DSP code
-int list_fd; // File to write listing to
-int regbank; // RISC register bank
-int segpadsize; // Segment padding size
-int endian; // Host processor endianess
-char * objfname; // Object filename pointer
-char * firstfname; // First source filename
-char * cmdlnexec; // Executable name, pointer to ARGV[0]
-char * searchpath; // Search path for include files
-char defname[] = "noname.o"; // Default output filename
-
-
-//
-// Copy stuff around, return pointer to dest+count+1 (doesn't handle overlap)
-//
-char * copy(char * dest, char * src, LONG count)
-{
- while (count--)
- *dest++ = *src++;
-
- return dest;
-}
-
-
-//
-// Clear a region of memory
-//
-void clear(char * dest, LONG count)
-{
- while(count--)
- *dest++ = 0;
-}
-
-
-//
-// Check to see if the string is a keyword. Returns -1, or a value from the
-// 'accept[]' table
-//
-int kmatch(char * p, int * base, int * check, int * tab, int * accept)
-{
- int state;
- int j;
-
- for(state=0; state>=0;)
- {
- j = base[state] + (int)tolowertab[*p];
-
- if (check[j] != state)
- { // Reject, character doesn't match
- state = -1; // No match
- break;
- }
-
- if (!*++p)
- { // Must accept or reject at EOS
- state = accept[j]; // (-1 on no terminal match)
- break;
- }
-
- state = tab[j];
- }
-
- return state;
-}
-
+#include "token.h"
+#include "version.h"
-//
-// Auto-even a section
-//
-void autoeven(int sect)
-{
- switchsect(sect);
- d_even();
- savsect();
-}
+int perm_verb_flag; // Permanently verbose, interactive mode
+int list_flag; // "-l" listing flag on command line
+int list_pag = 1; // Enable listing pagination by default
+int verb_flag; // Be verbose about what's going on
+int m6502; // 1, assembling 6502 code
+int as68_flag; // as68 kludge mode
+int glob_flag; // Assume undefined symbols are global
+int lsym_flag; // Include local symbols in object file
+int sbra_flag; // Warn about possible short branches
+int prg_flag; // !=0, produce .PRG executable (2=symbols)
+int legacy_flag; // Do stuff like insert code in RISC assembler
+int obj_format; // Object format flag
+int debug; // [1..9] Enable debugging levels
+int err_flag; // '-e' specified
+int err_fd; // File to write error messages to
+int rgpu, rdsp; // Assembling Jaguar GPU or DSP code
+int dsp56001; // Assembling DSP 56001 code
+int list_fd; // File to write listing to
+int regbank; // RISC register bank
+int segpadsize; // Segment padding size
+int endian; // Host processor endianess (0 = LE, 1 = BE)
+char * objfname; // Object filename pointer
+char * firstfname; // First source filename
+char * cmdlnexec; // Executable name, pointer to ARGV[0]
+char * searchpath; // Search path for include files
+char defname[] = "noname.o"; // Default output filename
+int optim_flags[OPT_COUNT]; // Specific optimisations on/off matrix
+int activecpu = CPU_68000; // Active 68k CPU (68000 by default)
+int activefpu = FPU_NONE; // Active FPU (none by default)
//
// Manipulate file extension.
-// `name' must be large enough to hold any possible filename.
-// If `stripp' is nonzero, any old extension is removed.
-// Then, if the file does not already have an extension,
-// `extension' is appended to the filename.
+//
+// 'name' must be large enough to hold any possible filename. If 'stripp' is
+// nonzero, any old extension is removed. If the file does not already have an
+// extension, 'extension' is appended to the filename.
//
char * fext(char * name, char * extension, int stripp)
{
- char * s, * beg; // String pointers
+ char * s;
- // Find beginning of "real" name
- beg = name + strlen(name) - 1;
+ // Find beginning of "real" name (strip off path)
+ char * beg = strrchr(name, SLASHCHAR);
- for(; beg>name; --beg)
- {
- if (*beg == SLASHCHAR)
- {
- ++beg;
- break;
- }
- }
+ if (beg == NULL)
+ beg = name;
+ // Clobber any old extension, if requested
if (stripp)
- { // Clobber any old extension
- for(s=beg; *s && *s!='.'; ++s)
+ {
+ for(s=beg; *s && *s!='.'; ++s)
;
*s = '\0';
}
- for(s=beg; *s!='.'; ++s)
- {
- if (!*s)
- { // Append the new extension
- strcat(beg, extension);
- break;
- }
- }
+ if (strrchr(beg, '.') == NULL)
+ strcat(beg, extension);
return name;
}
//
-// Return `item'nth element of semicolon-seperated pathnames specified in the
-// enviroment string `s'. Copy the pathname to `buf'. Return 0 if the `item'
+// Return 'item'nth element of semicolon-seperated pathnames specified in the
+// enviroment string 's'. Copy the pathname to 'buf'. Return 0 if the 'item'
// nth path doesn't exist.
-//
-// [`item' ranges from 0 to N-1, where N = #elements in search path]
+//
+// ['item' ranges from 0 to N-1, where N = #elements in search path]
//
int nthpath(char * env_var, int itemno, char * buf)
{
//
-// Display Command Line Help
+// Display command line help
//
-void display_help(void)
+void DisplayHelp(void)
{
printf("Usage:\n"
" %s [options] srcfile\n"
"\n"
"Options:\n"
" -? or -h Display usage information\n"
- " -dsymbol[=value] Define symbol\n"
+ " -dsymbol[=value] Define symbol (with optional value, default=0)\n"
" -e[errorfile] Send error messages to file, not stdout\n"
" -f[format] Output object file format\n"
+ " a: ALCYON (use this for ST)\n"
" b: BSD (use this for Jaguar)\n"
+ " e: ELF\n"
+ " x: com/exe/xex (Atari 800)\n"
" -i[path] Directory to search for include files\n"
" -l[filename] Create an output listing file\n"
+ " -l*[filename] Create an output listing file without pagination\n"
" -n Don't do things behind your back in RISC assembler\n"
" -o file Output file name\n"
+ " +o[value] Turn a specific optimisation on\n"
+ " Available optimisation values and default settings:\n"
+ " o0: Absolute long adddresses to word (on)\n"
+ " o1: move.l #x,dn/an to moveq (on)\n"
+ " o2: Word branches to short (on)\n"
+ " o3: Outer displacement 0(an) to (an) (off)\n"
+ " o4: lea size(An),An to addq #size,An (off)\n"
+ " o5: Absolute long base displacement to word (off)\n"
+ " ~o[value] Turn a specific optimisation off\n"
+ " +oall Turn all optimisations on\n"
+ " ~oall Turn all optimisations off\n"
+ " -p Create an ST .prg (without symbols)\n"
+ " -ps Create an ST .prg (with symbols)\n"
+ " Forces -fa\n"
" -r[size] Pad segments to boundary size specified\n"
" w: word (2 bytes, default alignment)\n"
" l: long (4 bytes)\n"
" d: double phrase (16 bytes)\n"
" q: quad phrase (32 bytes)\n"
" -s Warn about possible short branches\n"
+ " and applied optimisations\n"
" -u Force referenced and undefined symbols global\n"
" -v Set verbose mode\n"
+ " -x Turn on debugging mode\n"
" -y[pagelen] Set page line length (default: 61)\n"
"\n", cmdlnexec);
}
//
-// Display Version Information
+// Display version information
//
-void display_version(void)
+void DisplayVersion(void)
{
- printf("\nReboot's Macro Assembler for Atari Jaguar\n"
- "Copyright (C) 199x Landon Dyer, 2011 Reboot\n"
+ printf("\n"
+ " _ __ _ __ ___ __ _ ___ \n"
+ "| '__| '_ ` _ \\ / _` |/ __|\n"
+ "| | | | | | | | (_| | (__ \n"
+ "|_| |_| |_| |_|\\__,_|\\___|\n"
+ "\nReboot's Macro Assembler\n"
+ "Copyright (C) 199x Landon Dyer, 2011-2017 Reboot\n"
"V%01i.%01i.%01i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM);
}
-//
-// Process Command Line Arguments and do an Assembly
//
-int process(int argc, char ** argv)
+// Parse optimisation options
+//
+int ParseOptimization(char * optstring)
+{
+ int onoff = 0;
+
+ if (*optstring == '+')
+ onoff = 1;
+ else if (*optstring != '~')
+ return ERROR;
+
+ if ((optstring[2] == 'a' || optstring[2] == 'A')
+ && (optstring[3] == 'l' || optstring[3] == 'L')
+ && (optstring[4] == 'l' || optstring[4] == 'L'))
+ {
+ memset(optim_flags, onoff, OPT_COUNT * sizeof(int));
+ return OK;
+ }
+ else if (optstring[1] == 'o' || optstring[1] == 'O') // Turn on specific optimisation
+ {
+ int opt_no = atoi(&optstring[2]);
+
+ if ((opt_no >= 0) && (opt_no < OPT_COUNT))
+ {
+ optim_flags[opt_no] = onoff;
+ return OK;
+ }
+ else
+ return ERROR;
+ }
+ else
+ {
+ return ERROR;
+ }
+}
+
+
+//
+// Process command line arguments and do an assembly
+//
+int Process(int argc, char ** argv)
{
int argno; // Argument number
SYM * sy; // Pointer to a symbol record
char * s; // String pointer
int fd; // File descriptor
- char fnbuf[FNSIZ]; // Filename buffer
+ char fnbuf[FNSIZ]; // Filename buffer
int i; // Iterator
errcnt = 0; // Initialise error count
orgactive = 0; // Not in RISC org section
orgwarning = 0; // No ORG warning issued
segpadsize = 2; // Initialise segment padding size
+ m6502 = 0; // 6502 mode off by default
// Initialise modules
InitSymbolTable(); // Symbol table
InitMark(); // Mark tape-recorder
InitMacro(); // Macro processor
InitListing(); // Listing generator
+ Init6502(); // 6502 assembler
// Process command line arguments and assemble source files
- for(argno=0; argno<argc; ++argno)
+ for(argno=0; argno<argc; argno++)
{
if (*argv[argno] == '-')
{
switch (argv[argno][1])
{
- case 'd': // Define symbol
+ case 'd': // Define symbol
case 'D':
for(s=argv[argno]+2; *s!=EOS;)
{
}
sy->sattr = DEFINED | EQUATED | ABS;
-#if 0
- if (*s)
- sy->svalue = (VALUE)atoi(s);
- else
- sy->svalue = 0;
-#else
- sy->svalue = (*s ? (VALUE)atoi(s) : 0);
-#endif
+ sy->svalue = (*s ? (uint32_t)atoi(s) : 0);
break;
- case 'e': // Redirect error message output
+ case 'e': // Redirect error message output
case 'E':
err_fname = argv[argno] + 2;
break;
- case 'f': // -f<format>
+ case 'f': // -f<format>
case 'F':
switch (argv[argno][2])
{
case EOS:
- case 'b': // -fb = BSD (Jaguar Recommended)
+ case 'a': // -fa = Alcyon [the default]
+ case 'A':
+ obj_format = ALCYON;
+ break;
+ case 'b': // -fb = BSD (Jaguar Recommended: 3 out 4 jaguars recommend it!)
case 'B':
obj_format = BSD;
break;
+ case 'e': // -fe = ELF
+ case 'E':
+ obj_format = ELF;
+ break;
+ case 'x': // -fx = COM/EXE/XEX
+ case 'X':
+ obj_format = XEX;
+ break;
default:
printf("-f: unknown object format specified\n");
errcnt++;
return errcnt;
}
break;
- case 'g': // Debugging flag
+ case 'g': // Debugging flag
case 'G':
printf("Debugging flag (-g) not yet implemented\n");
break;
- case 'i': // Set directory search path
+ case 'i': // Set directory search path
case 'I':
searchpath = argv[argno] + 2;
break;
- case 'l': // Produce listing file
+ case 'l': // Produce listing file
case 'L':
- list_fname = argv[argno] + 2;
+ if (*(argv[argno] + 2) == '*')
+ {
+ list_fname = argv[argno] + 3;
+ list_pag = 0; // Special case - turn off pagination
+ }
+ else
+ {
+ list_fname = argv[argno] + 2;
+ }
+
listing = 1;
list_flag = 1;
lnsave++;
break;
- case 'o': // Direct object file output
+ case 'o': // Direct object file output
case 'O':
if (argv[argno][2] != EOS)
objfname = argv[argno] + 2;
errcnt++;
return errcnt;
}
+
objfname = argv[argno];
}
break;
- case 'r': // Pad seg to requested boundary size
+ case 'p': /* -p: generate ".PRG" executable output */
+ case 'P':
+ /*
+ * -p .PRG generation w/o symbols
+ * -ps .PRG generation with symbols
+ */
+ switch (argv[argno][2])
+ {
+ case EOS:
+ prg_flag = 1;
+ break;
+
+ case 's':
+ case 'S':
+ prg_flag = 2;
+ break;
+
+ default:
+ printf("-p: syntax error\n");
+ errcnt++;
+ return errcnt;
+ }
+
+ // Enforce Alcyon object format - kind of silly
+ // to ask for .prg output without it!
+ obj_format = ALCYON;
+ break;
+ case 'r': // Pad seg to requested boundary size
case 'R':
switch(argv[argno][2])
{
- case 'w': case 'W': segpadsize = 2; break;
+ case 'w': case 'W': segpadsize = 2; break;
case 'l': case 'L': segpadsize = 4; break;
case 'p': case 'P': segpadsize = 8; break;
case 'd': case 'D': segpadsize = 16; break;
case 'q': case 'Q': segpadsize = 32; break;
- default: segpadsize = 2; break; // Effective autoeven();
+ default: segpadsize = 2; break; // Effective autoeven();
}
break;
- case 's': // Warn about possible short branches
+ case 's': // Warn about possible short branches
case 'S':
sbra_flag = 1;
break;
- case 'u': // Make undefined symbols .globl
+ case 'u': // Make undefined symbols .globl
case 'U':
glob_flag = 1;
break;
- case 'v': // Verbose flag
+ case 'v': // Verbose flag
case 'V':
verb_flag++;
if (verb_flag > 1)
- display_version();
+ DisplayVersion();
break;
- case 'x': // Turn on debugging
+ case 'x': // Turn on debugging
case 'X':
debug = 1;
printf("~ Debugging ON\n");
break;
- case 'y': // -y<pagelen>
+ case 'y': // -y<pagelen>
case 'Y':
pagelen = atoi(argv[argno] + 2);
if (pagelen < 10)
{
printf("-y: bad page length\n");
- ++errcnt;
+ errcnt++;
return errcnt;
}
break;
- case EOS: // Input is stdin
- if (firstfname == NULL) // Kludge first filename
+ case EOS: // Input is stdin
+ if (firstfname == NULL) // Kludge first filename
firstfname = defname;
include(0, "(stdin)");
Assemble();
break;
- case 'h': // Display command line usage
+ case 'h': // Display command line usage
case 'H':
case '?':
- display_version();
- display_help();
+ DisplayVersion();
+ DisplayHelp();
errcnt++;
break;
- case 'n': // Turn off legacy mode
+ case 'n': // Turn off legacy mode
case 'N':
legacy_flag = 0;
printf("Legacy mode OFF\n");
break;
default:
- display_version();
+ DisplayVersion();
printf("Unknown switch: %s\n\n", argv[argno]);
- display_help();
+ DisplayHelp();
+ errcnt++;
+ break;
+ }
+ }
+ else if (*argv[argno] == '+' || *argv[argno] == '~')
+ {
+ if (ParseOptimization(argv[argno]) != OK)
+ {
+ DisplayVersion();
+ printf("Unknown switch: %s\n\n", argv[argno]);
+ DisplayHelp();
errcnt++;
break;
}
// Wind-up processing;
// o save current section (no more code generation)
- // o do auto-even of all sections (or boundary alignment as requested through '-r')
+ // o do auto-even of all sections (or boundary alignment as requested
+ // through '-r')
+ // o save the last pc value for 6502 (if we used 6502 at all) and
+ // detemine if the last section contains anything
// o determine name of object file:
// - "foo.o" for linkable output;
// - "foo.prg" for GEMDOS executable (-p flag).
- savsect();
+ SaveSection();
for(i=TEXT; i<=BSS; i<<=1)
{
- switchsect(i);
+ SwitchSection(i);
switch(segpadsize)
{
case 32: d_qphrase(); break;
}
- savsect();
+ SaveSection();
+ }
+
+ SwitchSection(M6502);
+
+ if (sloc != currentorg[0])
+ {
+ currentorg[1] = sloc;
+ currentorg += 2;
}
if (objfname == NULL)
firstfname = defname;
strcpy(fnbuf, firstfname);
- //fext(fnbuf, prg_flag ? ".prg" : ".o", 1);
- fext(fnbuf, ".o", 1);
+ fext(fnbuf, (prg_flag ? ".prg" : ".o"), 1);
objfname = fnbuf;
}
// (2) generate the output file image and symbol table;
// (3) generate relocation information from left-over fixups.
ResolveAllFixups(); // Do all fixups
- stopmark(); // Stop mark tape-recorder
+ StopMark(); // Stop mark tape-recorder
if (errcnt == 0)
{
if (verb_flag)
{
- s = "object";
+ s = (prg_flag ? "executable" : "object");
printf("[Writing %s file: %s]\n", s, objfname);
}
- object((WORD)fd);
+ WriteObject(fd);
close(fd);
if (errcnt != 0)
//
-// Determine Processor Endianess
+// Determine processor endianess
//
-int get_endianess(void)
+int GetEndianess(void)
{
int i = 1;
char * p = (char *)&i;
//
-// Application Entry Point; Handle the Command Line
+// Application entry point
//
int main(int argc, char ** argv)
{
perm_verb_flag = 0; // Clobber "permanent" verbose flag
legacy_flag = 1; // Default is legacy mode on (:-P)
- cmdlnexec = argv[0]; // Obtain executable name
- endian = get_endianess(); // Get processor endianess
+ // Set legacy optimisation flags to on and everything else to off
+ memset(optim_flags, 0, OPT_COUNT * sizeof(int));
+ optim_flags[OPT_ABS_SHORT] =
+ optim_flags[OPT_MOVEL_MOVEQ] =
+ optim_flags[OPT_BSR_BCC_S] = 1;
+
+ cmdlnexec = argv[0]; // Obtain executable name
+ endian = GetEndianess(); // Get processor endianess
// If commands were passed in, process them
if (argc > 1)
- {
- return process(argc - 1, argv + 1);
- }
+ return Process(argc - 1, argv + 1);
- display_version();
- display_help();
+ DisplayVersion();
+ DisplayHelp();
return 0;
}