int main(int argc, char *argv[])
{
register char *s, *p;
register int i;
char *pn = basename(argv[0]);
struct timeval tv;
#ifdef HAS_CONFIG
struct stat sbuf;
#endif
#ifdef BOOTROM
char *rom = "-r ";
#else
char *rom = "";
#endif
#ifdef CPU_SPEED
f_flag = CPU_SPEED;
tmax = CPU_SPEED * 10000;
#endif
while (--argc > 0 && (*++argv)[0] == '-')
for (s = argv[0] + 1; *s != '\0'; s++)
switch (*s) {
case 's': /* save core and CPU on exit */
s_flag = 1;
break;
case 'l': /* load core and CPU from file */
l_flag = 1;
break;
case 'u': /* trap undocumented ops */
u_flag = 1;
break;
case 'i': /* trap I/O on unused ports */
i_flag = 1;
break;
case 'm': /* initialise Z80 memory */
if (*(s+1) != '\0') {
m_flag = exatoi(s+1);
s += strlen(s+1);
} else {
if (argc <= 1)
goto usage;
argc--;
argv++;
m_flag = exatoi(argv[0]);
}
break;
case 'f': /* set emulation speed */
if (*(s+1) != '\0') {
f_flag = atoi(s+1);
s += strlen(s+1);
} else {
if (argc <= 1)
goto usage;
argc--;
argv++;
f_flag = atoi(argv[0]);
}
tmax = f_flag * 10000;
break;
case 'x': /* get filename with Z80 executable */
x_flag = 1;
s++;
if (*s == '\0') {
if (argc <= 1)
goto usage;
argc--;
argv++;
s = argv[0];
}
p = xfn;
while (*s)
*p++ = *s++;
*p = '\0';
s--;
break;
#ifdef BOOTROM
case 'r': /* load default boot ROM */
x_flag = 1;
strcpy(xfn, BOOTROM);
break;
#endif
#ifdef HAS_DISKS
case 'd': /* get path for disk images */
s++;
if (*s == '\0') {
if (argc <= 1)
goto usage;
argc--;
argv++;
s = argv[0];
}
p = diskdir = diskd;
while (*s)
*p++ = *s++;
*p = '\0';
s--;
break;
#endif
case '8':
cpu = I8080;
break;
case 'z':
cpu = Z80;
break;
case '?':
case 'h':
goto usage;
default:
printf("illegal option %c\n", *s);
usage:
#ifdef HAS_DISKS
printf("usage:\t%s -z -8 -s -l -i -u %s-m val -f freq -x filename -d diskpath\n", pn, rom);
#else
printf("usage:\t%s -z -8 -s -l -i -u %s-m val -f freq -x filename\n", pn, rom);
#endif
puts("\t-z = emulate Zilog Z80");
puts("\t-8 = emulate Intel 8080");
puts("\t-s = save core and CPU");
puts("\t-l = load core and CPU");
puts("\t-i = trap on I/O to unused ports");
puts("\t-u = trap on undocumented instructions");
#ifdef BOOTROM
puts("\t-r = load and execute default ROM");
printf("\t %s\n", BOOTROM);
#endif
puts("\t-m = init memory with val (00-FF)");
puts("\t-f = CPU clock frequency freq in MHz");
puts("\t-x = load and execute filename");
#ifdef HAS_DISKS
puts("\t-d = use disks images at diskpath");
puts("\t default path for disk images:");
puts("\t ./disks");
printf("\t %s\n", DISKSDIR);
#endif
exit(1);
}
putchar('\n');
if (cpu == Z80) {
puts("####### ##### ### ##### ### # #");
puts(" # # # # # # # # ## ##");
puts(" # # # # # # # # # # #");
puts(" # ##### # # ##### ##### # # # #");
puts(" # # # # # # # # #");
puts(" # # # # # # # # # #");
puts("####### ##### ### ##### ### # #");
} else {
puts(" ##### ### ##### ### ##### ### # #");
puts("# # # # # # # # # # # ## ##");
puts("# # # # # # # # # # # # # #");
puts(" ##### # # ##### # # ##### ##### # # # #");
puts("# # # # # # # # # # # #");
puts("# # # # # # # # # # # # #");
puts(" ##### ### ##### ### ##### ### # #");
}
printf("\nRelease %s, %s\n", RELEASE, COPYR);
#ifdef USR_COM
printf("%s Release %s, %s\n\n", USR_COM, USR_REL, USR_CPR);
#else
putchar('\n');
#endif
if (f_flag > 0)
printf("CPU speed is %d MHz\n", f_flag);
else
printf("CPU speed is unlimited\n");
fflush(stdout);
/* if the machine has configuration files try to find them */
#ifdef HAS_CONFIG
/* first try ./conf */
if ((stat("./conf", &sbuf) == 0) && S_ISDIR(sbuf.st_mode)) {
strcpy(&confdir[0], "./conf");
/* then CONFDIR as set in Makefile */
} else {
strcpy(&confdir[0], CONFDIR);
}
//printf("config = %s\n", &confdir[0]);
#endif
/* seed random generator */
gettimeofday(&tv, NULL);
srand(tv.tv_sec);
config(); /* read system configuration */
init_memory(); /* initialise memory configuration */
init_cpu(); /* initialise CPU */
wrk_ram = mem_base(); /* set work pointer for memory */
/* fill memory content with some initial value */
if (m_flag >= 0) {
memset((char *) wrk_ram, m_flag, 65536);
} else {
for (i = 0; i < 65536; i++)
*(wrk_ram + i) = (BYTE) (rand() % 256);
}
init_rom(); /* initialise ROM's */
if (l_flag) /* load core */
if (load_core())
return(1);
int_on(); /* initialize UNIX interrupts */
init_io(); /* initialize I/O devices */
mon(); /* run system */
if (s_flag) /* save core */
save_core();
exit_io(); /* stop I/O devices */
int_off(); /* stop UNIX interrupts */
return(0);
}
int main(int argc, char *argv[]) {
register char *s, *p;
register char *pn = argv[0];
// configure the I/O ports
AD1PCFG = 0xFFFF; // Default all pins to digital
mJTAGPortEnable(0); // turn off jtag
// setup the CPU
SYSTEMConfigPerformance(CLOCKFREQ); // System config performance
mOSCSetPBDIV(OSC_PB_DIV_1); // fix the peripheral bus to half main clock speed
INTEnableSystemMultiVectoredInt();
TRISBbits.TRISB15 = 0;
// TRISDbits.TRISD11 = 0;
// ODCDbits.ODCD11 = 1;
// LATDbits.LATD11=0;
TRISBbits.TRISB13 = 0;
ODCBbits.ODCB13 = 1;
PORTBbits.RB13=0;
#ifdef UARTConsole
UARTInit();
#endif
initKeyboard();
#ifdef UseVideo
initVideo();
#endif
#ifdef CPU_SPEED
f_flag = CPU_SPEED;
tmax = CPU_SPEED * 10000;
#endif
argc = 0;
while (--argc > 0 && (*++argv)[0] == '-')
for (s = argv[0] + 1; *s != '\0'; s++)
switch (*s) {
case 's': /* save core and CPU on exit */
s_flag = 1;
break;
case 'l': /* load core and CPU from file */
l_flag = 1;
break;
#ifdef Z80_UNDOC
case 'z': /* trap undocumented Z80 ops */
z_flag = 1;
break;
#endif
case 'i': /* trap I/O on unused ports */
i_flag = 1;
break;
case 'm': /* initialize Z80 memory */
m_flag = exatoi(s + 1);
s += strlen(s + 1);
break;
case 'f': /* set emulation speed */
f_flag = atoi(s + 1);
s += strlen(s + 1);
tmax = f_flag * 10000;
break;
case 'x': /* get filename with Z80 executable */
x_flag = 1;
s++;
p = xfn;
while (*s)
*p++ = *s++;
*p = '\0';
s--;
break;
case '?':
goto usage;
default:
printf("illegal option %c\n", *s);
#ifndef Z80_UNDOC
usage:
printf("usage:\t%s -s -l -i -mn -fn -xfilename\n", pn);
#else
usage:
printf("usage:\t%s -s -l -i -z -mn -fn -xfilename\n", pn);
#endif
puts("\ts = save core and cpu");
puts("\tl = load core and cpu");
puts("\ti = trap on I/O to unused ports");
#ifdef Z80_UNDOC
puts("\tz = trap on undocumented Z80 ops");
#endif
puts("\tm = init memory with n");
puts("\tf = CPU frequenzy n in MHz");
puts("\tx = load and execute filename");
exit(1);
}
putchar('\n');
puts("####### ##### ### ##### ### # #");
puts(" # # # # # # # # ## ##");
puts(" # # # # # # # # # # #");
puts(" # ##### # # ##### ##### # # # #");
puts(" # # # # # # # # #");
puts(" # # # # # # # # # #");
puts("####### ##### ### ##### ### # #");
printf("\nRelease %s, %s\n", RELEASE, COPYR);
printf("\nPort to PIC32 By kenseglerdesigns.com\n");
if (f_flag > 0)
printf("\nCPU speed is %d MHz\n", f_flag);
else
printf("\nCPU speed is unlimited\n");
#ifdef USR_COM
printf("\n%s Release %s, %s\n", USR_COM, USR_REL, USR_CPR);
#endif
fflush(stdout);
wrk_ram = PC = ram;
STACK = ram +0xffff;
memset((char *) ram, m_flag, 65536);
if (l_flag)
if (load_core())
return (1);
int_on();
init_io();
mon();
if (s_flag)
save_core();
exit_io();
int_off();
return (0);
}