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usage()
{
printf("usage: sis [-uart1 uart_device1] [-uart2 uart_device2]\n");
printf("[-nfp] [-freq frequency] [-c batch_file] [files]\n");
}
gen_help()
{
printf("\n batch <file> execute a batch file of SIS commands\n");
printf(" +bp <addr> add a breakpoint at <addr>\n");
printf(" -bp <num> delete breakpoint <num>\n");
printf(" bp print all breakpoints\n");
printf(" cont [icnt] continue execution for [icnt] instructions\n");
printf(" dis [addr] [count] disassemble [count] instructions at address [addr]\n");
printf(" echo <string> print <string> to the simulator window\n");
#ifdef ERRINJ
printf(" error <period> inject error traps in IU and FPU\n");
#endif
printf(" float print the FPU registers\n");
printf(" go <addr> [icnt] start execution at <addr> for [icnt] instructions\n");
printf(" hist [trace_length] enable/show trace history\n");
printf(" load <file_name> load a file into simulator memory\n");
printf(" mem [addr] [count] display memory at [addr] for [count] bytes\n");
printf(" quit exit the simulator\n");
printf(" perf [reset] show/reset performance statistics\n");
printf(" reg [w<0-7>] show integer registers (or windows, eg 're w2')\n");
printf(" run [inst_count] reset and start execution for [icnt] instruction\n");
printf(" step single step\n");
printf(" tra [inst_count] trace [inst_count] instructions\n");
printf("\n type Ctrl-C to interrupt execution\n\n");
}
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