swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 1 | #include "cpu.h" |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 2 | #include "dbg.h" |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 3 | |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 4 | #include <bits/getopt_core.h> |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 5 | #include <ctype.h> |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <unistd.h> |
| 9 | |
| 10 | int main(int argc, char **argv) |
| 11 | { |
swissChili | da4803e | 2020-08-06 20:06:04 -0700 | [diff] [blame^] | 12 | bool disflag = false, |
| 13 | runflag = false, |
| 14 | helpflag = false, |
| 15 | debugflag = false, |
| 16 | should_read = false; |
| 17 | |
| 18 | int disasm_len = 0; |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 19 | |
| 20 | FILE *input = stdin; |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 21 | |
| 22 | char c; |
| 23 | |
swissChili | da4803e | 2020-08-06 20:06:04 -0700 | [diff] [blame^] | 24 | while ((c = getopt(argc, argv, "Ddrhi:n:")) != -1) |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 25 | { |
| 26 | switch (c) |
| 27 | { |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 28 | case 'd': |
| 29 | disflag = true; |
| 30 | should_read = true; |
| 31 | break; |
| 32 | case 'r': |
| 33 | runflag = true; |
| 34 | should_read = true; |
| 35 | break; |
| 36 | case 'D': |
| 37 | debugflag = true; |
| 38 | should_read = true; |
| 39 | break; |
| 40 | case 'i': |
| 41 | input = fopen(optarg, "r"); |
| 42 | break; |
swissChili | da4803e | 2020-08-06 20:06:04 -0700 | [diff] [blame^] | 43 | case 'n': |
| 44 | disasm_len = atoi(optarg); |
| 45 | break; |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 46 | case 'h': |
| 47 | case '?': |
| 48 | helpflag = 1; |
| 49 | break; |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 50 | } |
| 51 | } |
| 52 | |
| 53 | if (helpflag) |
| 54 | { |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 55 | printf("6502 emulator, disassembler and debugger\n" |
| 56 | "Usage:\n" |
| 57 | " -d disassemble input\n" |
| 58 | " -r run input\n" |
| 59 | " -D debug input (open debug prompt)\n" |
| 60 | " -i <input> set input file, defaults to standard input\n" |
swissChili | da4803e | 2020-08-06 20:06:04 -0700 | [diff] [blame^] | 61 | " -n <number> number of instructions to disassemble, 0 for all\n" |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 62 | " -h, -? show this help page\n"); |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 63 | return 0; |
| 64 | } |
| 65 | |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 66 | cpu_t cpu; |
| 67 | |
| 68 | if (should_read) |
| 69 | { |
| 70 | cpu = new_cpu(); |
| 71 | fread(cpu.mem, 0xFFFF, 1, input); |
| 72 | } |
swissChili | da4803e | 2020-08-06 20:06:04 -0700 | [diff] [blame^] | 73 | else |
| 74 | { |
| 75 | puts("6502 toolchain by swissChili <swisschili.sh>"); |
| 76 | printf("%s -h for help\n", argv[0]); |
| 77 | } |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 78 | |
| 79 | if (disflag) |
| 80 | { |
| 81 | disas(&cpu); |
| 82 | } |
swissChili | da4803e | 2020-08-06 20:06:04 -0700 | [diff] [blame^] | 83 | else if (runflag) |
| 84 | { |
| 85 | run(&cpu); |
| 86 | } |
swissChili | 62d6d5d | 2020-07-30 20:12:47 -0700 | [diff] [blame] | 87 | else if (debugflag) |
| 88 | { |
| 89 | debug(&cpu); |
| 90 | } |
| 91 | |
| 92 | if (should_read) |
| 93 | free_cpu(&cpu); |
swissChili | 6c61a79 | 2020-07-28 16:29:20 -0700 | [diff] [blame] | 94 | } |