//
// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
// RMAC.C - Main Application Code
-// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011 - 2016 Reboot and Friends
// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
// 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"
+#include "token.h"
+#include "version.h"
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 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 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
+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 * 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)
//
// Clobber any old extension, if requested
if (stripp)
{
- for(s=beg; *s && *s!='.'; ++s)
+ for(s=beg; *s && *s!='.'; ++s)
;
*s = '\0';
// 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]
//
int nthpath(char * env_var, int itemno, char * buf)
"\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"
- " -p[n] Create an ST .prg (1=normal, 2=w/symbols)\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"
" 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);
}
//
void DisplayVersion(void)
{
- printf("\nReboot's Macro Assembler for Atari Jaguar\n"
- "Copyright (C) 199x Landon Dyer, 2011-2015 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);
}
-//
+//
+// 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)
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] == '-')
{
case 'A':
obj_format = ALCYON;
break;
- case 'b': // -fb = BSD (Jaguar Recommended)
+ 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++;
break;
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++;
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;
break;
}
}
+ else if (*argv[argno] == '+' || *argv[argno] == '~')
+ {
+ if (ParseOptimization(argv[argno]) != OK)
+ {
+ DisplayVersion();
+ printf("Unknown switch: %s\n\n", argv[argno]);
+ DisplayHelp();
+ errcnt++;
+ break;
+ }
+ }
else
{
// Record first filename.
// o save current section (no more code generation)
// 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).
SaveSection();
}
+ SwitchSection(M6502);
+
+ if (sloc != currentorg[0])
+ {
+ currentorg[1] = sloc;
+ currentorg += 2;
+ }
+
if (objfname == NULL)
{
if (firstfname == NULL)
strcpy(fnbuf, firstfname);
fext(fnbuf, (prg_flag ? ".prg" : ".o"), 1);
- fext(fnbuf, ".o", 1);
objfname = fnbuf;
}
{
perm_verb_flag = 0; // Clobber "permanent" verbose flag
legacy_flag = 1; // Default is legacy mode on (:-P)
- cmdlnexec = argv[0]; // Obtain executable name
+ // 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);
DisplayVersion();
DisplayHelp();
projects / rmac / blobdiff