- Comença a vores el depurador

main.cpp

@@ -2,10 +2,17 @@
 #include <stdio.h>
 #include "z80.h"
 #include "z80dis.h"
+#include <ncurses.h>
+#include <string.h>
 
 uint8_t memory[65536];
 uint32_t t = 0;
 
+int w, h;
+WINDOW *win_regs;
+WINDOW *win_mem;
+WINDOW *win_code;
+
 int ula_in()
 {
     return 0;
@@ -16,6 +23,17 @@ void ula_out(int val)
 
 }
 
+void refresh_registers()
+{
+    mvwprintw(win_regs, 1, 2, "AF: %04X  AF': %04X", z80::getAF(), z80::getAF(true));
+    mvwprintw(win_regs, 2, 2, "BC: %04X  BC': %04X", z80::getBC(), z80::getBC(true));
+    mvwprintw(win_regs, 3, 2, "DE: %04X  DE': %04X", z80::getDE(), z80::getDE(true));
+    mvwprintw(win_regs, 4, 2, "HL: %04X  HL': %04X", z80::getHL(), z80::getHL(true));
+    mvwprintw(win_regs, 5, 2, "IX: %04X  IY': %04X", z80::getIX(), z80::getIY());
+    mvwprintw(win_regs, 6, 2, "SP: %04X  PC': %04X", z80::getSP(), z80::getPC());
+    wrefresh(win_regs);
+}
+
 int main(int argc, char *argv[])
 {
     FILE* f = fopen("48.rom", "rb");
@@ -25,16 +43,54 @@ int main(int argc, char *argv[])
     z80::reset(memory);
     z80::connect_port(0xfe, ula_in, ula_out);
 
+    initscr();
+    start_color();
+    init_pair(1, COLOR_WHITE, COLOR_BLACK);
+    init_pair(2, COLOR_YELLOW, COLOR_BLUE);
+    getmaxyx(stdscr, h, w);
+
+    win_regs = newwin(10,23,0,0);
+    win_mem  = newwin(10,w-23,0,23);
+    win_code = newwin(h-10,w,10,0);
+    refresh();
+
+    box(win_regs,0,0);
+    mvwprintw(win_regs, 0, 2, " REGISTERS: ");
+    refresh_registers();
+
+    box(win_mem,0,0);
+    mvwprintw(win_mem, 0, 2, " MEMORY: ");
+    mvwprintw(win_mem, 1, 2, "%ix%i", w, h);
+    wrefresh(win_mem);
+
+    box(win_code,0,0);
+    //wattron(win_code, COLOR_PAIR(1));
+    //mvwprintw(win_code, 1, 1, "Hello world %s !!!", "hola");
+    //wattroff(win_code, COLOR_PAIR(1));
+    wrefresh(win_code);
+
     bool should_exit = false;
+    int linea=1;
+    char old_line[256];
+    old_line[0]=0;
     while(!should_exit)
     {
         uint16_t PC = z80::getPC();
-        printf("[%04x] ", PC);
-
-        z80dis::printAsm(&memory[PC]);
-
+        if (old_line[0]!=0) {
+            wattron(win_code, COLOR_PAIR(1));
+            mvwprintw(win_code, linea-1, 1, old_line);
+            wattroff(win_code, COLOR_PAIR(1));
+        }
+        sprintf(old_line, "[%04x] ", PC);
+        strcat(old_line, z80dis::getAsm(&memory[PC]));
+        wattron(win_code, COLOR_PAIR(2));
+        mvwprintw(win_code, linea, 1, old_line);
+        wattron(win_code, COLOR_PAIR(2));
+        wrefresh(win_code);
+        linea++;
         t += z80::step();
-        getchar();
+        refresh_registers();
+        getch();
     }
 
     return 0;

z80.cpp

@@ -129,11 +129,6 @@ namespace z80
 
     #define SWAP(a,b) {auto temp=a;a=b;b=temp;}
 
-    uint16_t getPC()
-    {
-        return rPC;
-    }
-
     uint8_t READ_MEM_8(const uint16_t addr)
     {
         t+=3;
@@ -2562,5 +2557,15 @@ namespace z80
         }
     }
 
+    uint16_t getAF(const bool alt) { return alt?rAF2:rAF; }
+    uint16_t getBC(const bool alt) { return alt?rBC2:rBC; }
+    uint16_t getDE(const bool alt) { return alt?rDE2:rDE; }
+    uint16_t getHL(const bool alt) { return alt?rHL2:rHL; }
+
+    uint16_t getIX() { return rIX; }
+    uint16_t getIY() { return rIY; }
+    uint16_t getSP() { return rSP; }
+
+    uint16_t getPC() { return rPC; }
 
 }

z80.h

@@ -7,5 +7,14 @@ namespace z80
     void reset(uint8_t* mem);
     void connect_port(int num, int (*in_ptr)(), void (*out_ptr)(int));
     uint32_t step();
+
+    uint16_t getAF(const bool alt=false);
+    uint16_t getBC(const bool alt=false);
+    uint16_t getDE(const bool alt=false);
+    uint16_t getHL(const bool alt=false);
+
+    uint16_t getIX();
+    uint16_t getIY();
+    uint16_t getSP();
     uint16_t getPC();
 }

z80dis.cpp

@@ -4,7 +4,7 @@
 
 namespace z80dis
 {
-    //char buffer[256];
+    char buffer[256];
     int opcode_size = 0;
 //    $%04x
 //    $%02x
@@ -58,35 +58,47 @@ namespace z80dis
 
     void printOpcode(const uint8_t *memory)
     {
-        for (int i=0; i<4;++i) if (opcode_size>i) printf("%02x ", *(memory+i)); else printf("   ");
+        char hex[4];
+        for (int i=0; i<4;++i)
+        {
+            if (opcode_size>i)
+                sprintf(hex, "%02x ", *(memory+i));
+            else
+                sprintf(hex, "   ");
+            strcat(buffer, hex);
+        }
     }
 
-    void printAsm(const uint8_t *memory)
+    const char *getAsm(const uint8_t *memory, const bool include_opcode)
     {
         opcode_size = 0;
+        buffer[0]=0;
+        char txt[20];
         const char *base = getBase(memory);
 
         if (strstr(base, "4x")) {
             opcode_size+=2;
             printOpcode(memory);
             const uint16_t word = *(uint16_t*)(memory+1);
-            printf(base, word);
+            sprintf(txt, base, word);
         } else if (strstr(base, "2x")) {
             opcode_size+=1;
             printOpcode(memory);
-            printf(base, *(memory+1));
+            sprintf(txt, base, *(memory+1));
         } else if (strstr(base, "hhd")) {
             opcode_size+=1;
             printOpcode(memory);
             if (opcode_size>4) {
                 opcode_size=4;
-                printf(base, (int8_t)*(memory+2));
+                sprintf(txt, base, (int8_t)*(memory+2));
             } else {
-                printf(base, (int8_t)*(memory+1));
+                sprintf(txt, base, (int8_t)*(memory+1));
             }
         } else {
             printOpcode(memory);
-            printf(base);
+            sprintf(txt, base);
         }
+        strcat(buffer, txt);
+        return buffer;
     }
 }

z80dis.h

@@ -4,5 +4,5 @@
 
 namespace z80dis
 {
-    void printAsm(const uint8_t *memory);
+    const char *getAsm(const uint8_t *memory, const bool include_opcode=true);
 }