diff options
author | alekseiplusplus <alekseijeaves@protonmail.com> | 2023-03-27 20:30:26 +1100 |
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committer | alekseiplusplus <alekseijeaves@protonmail.com> | 2023-03-27 20:30:26 +1100 |
commit | 5f11aac2f0a8c2bbc86180161d94158e890da285 (patch) | |
tree | 0ced043d977725e63bef8e09a32308f9f5544001 /debug.c | |
parent | 9e2ce013ebcf17846f84549357b5715a48df659b (diff) |
debug.c > interpreter.c
Diffstat (limited to 'debug.c')
-rw-r--r-- | debug.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/debug.c b/debug.c deleted file mode 100644 index 4e0b270..0000000 --- a/debug.c +++ /dev/null @@ -1,63 +0,0 @@ -/* - * debug.c is a tool which can be used to interpret 6502 machine code inline. - * Machine code is expected as hexadecimal of length 2 or 6, depending on the instruction. - * Note that zero-page addressing is not fully emulated yet; it will still address the zero-page - section of memory but the instructions still take an address of length 4. - This will be fixed later when the whole system is functional. - * There are a few special keywords which have particular debugging meaning - */ - -#include"include.h" - -int charToNum (char c, int mul) { - if (c != 0x20 && (c >= 0x30 && c <= 0x39)){ - a = (mul * (c - 0x30)); - }else if (c != 0x20 && (c >= 0x41 && c <= 0x46)){ - a = (mul * (c - 0x31)); - } -} - -void debug_print(){ - printf("\nacc:\t%x\nX:\t%x\nY:\t%x\nstack:\t%x\nflags:\t%x", acc, X, Y, S, P); -} - -int main(){ - char c; - unsigned char a, b; - while(true){ - // Pass 1 - c = getchar(); - if (c == EOF) break; - switch(c){ - case D: case d: - debug_print(); - break; - case M: case m: - int m = 0; - for(int i = 1; i <= 1000; i *= 10){ - m += charToNum(getchar(), 1000/i); - } - printf("Address %d has %x", m, Memory[m]); - break; - - } - a += charToNum(c, 0x10); - // Pass 2 - c = getchar(); if (c == EOF) break; - a += charToNum(c, 0x01); - //Check for next value - c = getchar(); - if (!(c == EOF || c == ' ')) { - // Four passes - b += charToNum(c, 0x1000); - c = getchar(); if (c == EOF) break; - b += charToNum(c, 0x0100); - c = getchar(); if (c == EOF) break; - b += charToNum(c, 0x0010); - c = getchar(); if (c == EOF) break; - b += charToNum(c, 0x0001); - } - runInstruction(a, b); - c = getchar(); if (c == EOF) break; - } -}
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