From 95e5a1d128b81e2d11ef7c74f834065a0493bc6d Mon Sep 17 00:00:00 2001
From: Raimon Zamora <jaildoctor@gmail.com>
Date: Wed, 13 Mar 2024 13:57:43 +0100
Subject: [PATCH] - Working on Misc Table

---
 main.cpp |   2 +-
 z80.cpp  | 110 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 110 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index c5d77d5..e7e505a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -10,5 +10,5 @@ int main(int argc, char *argv[])
     fread(memory, 1024, 48, f);
     fclose(f);
     
-    set_memory(memory);
+    z80::reset(memory);
 }
\ No newline at end of file
diff --git a/z80.cpp b/z80.cpp
index bcc32cc..9e73702 100644
--- a/z80.cpp
+++ b/z80.cpp
@@ -161,6 +161,20 @@ namespace z80
         *a = *a + b;
     }
 
+    void ADC16(uint16_t* a, uint16_t b)
+    {
+        // [TODO] operadors mes grans, per a no perdre el carry_out
+        *a = *a + b;
+        if (rF & fC) *a++;
+    }
+
+    void SBC16(uint16_t* a, uint16_t b)
+    {
+        // [TODO] operadors mes grans, per a no perdre el carry_out
+        *a = *a + b;
+        if (rF & fC) *a--;
+    }
+
     void INC8(uint8_t *reg)
     {
         reg++;
@@ -197,6 +211,11 @@ namespace z80
         if (rF & fC) *a--;
     }
 
+    void NEG()
+    {
+        rA = ~rA;
+    }
+
     void AND(uint8_t b)
     {
         rA = rA & b;
@@ -237,6 +256,16 @@ namespace z80
         // [TODO]
     }
 
+    void RRD()
+    {
+        // [TODO]
+    }
+
+    void RLD()
+    {
+        // [TODO]
+    }
+
     void DAA()
     {
         // [TODO]
@@ -282,12 +311,27 @@ namespace z80
         // [TODO]
     }
 
+    void RETN()
+    {
+        // [TODO]
+    }
+
+    void RETI()
+    {
+        // [TODO]
+    }
+
     void RST(uint8_t vec)
     {
         // [TODO]
     }
 
-    void IN(uint8_t *dir, uint8_t val)
+    void IM(uint8_t mode)
+    {
+        // [TODO]
+    }
+
+    void IN(uint8_t *reg, uint8_t dir)
     {
         // [TODO]
     }
@@ -1448,4 +1492,68 @@ namespace z80
             case 0xFF: SET(7, &memory[rIX+LD8()], _rA); break;
         }
     }
+
+    void MISC_INSTRUCTIONS()
+    {
+        const uint8_t opcode = memory[rPC++];
+        t_states+=4;
+        uint16_t tmp;
+
+        switch (opcode)
+        {
+            case 0x40: IN(_rB, rC);                     break;
+            case 0x41: OUT(rC, rB);                     break;
+            case 0x42: SBC16(_rHL, rBC);                break;
+            case 0x43: rM16(LD16()) = rBC;              break;
+            case 0x44: NEG();                           break;
+            case 0x45: RETN();                          break;
+            case 0x46: IM(0);                           break;
+            case 0x47: rI = rA;                         break;
+            case 0x48: IN(_rC, rC);                     break;
+            case 0x49: OUT(rC, rC);                     break;
+            case 0x4A: ADC16(_rHL, rBC);                break;
+            case 0x4B: rBC = rM16(LD16());              break;
+            case 0x4D: RETI();                          break;
+            case 0x4F: rR = rA;                         break;
+
+            case 0x50: IN(_rD, rC);                     break;
+            case 0x51: OUT(rC, rD);                     break;
+            case 0x52: SBC16(_rHL, rDE);                break;
+            case 0x53: rM16(LD16()) = rDE;              break;
+            case 0x56: IM(1);                           break;
+            case 0x57: rA = rI;                         break;
+            case 0x58: IN(_rE, rC);                     break;
+            case 0x59: OUT(rC, rE);                     break;
+            case 0x5A: ADC16(_rHL, rDE);                break;
+            case 0x5B: rDE = rM16(LD16());              break;
+            case 0x5E: IM(2);                           break;
+            case 0x5F: rA = rR;                         break;
+
+            case 0x60: IN(_rH, rC);                     break;
+            case 0x61: OUT(rC, rH);                     break;
+            case 0x62: SBC16(_rHL, rHL);                break;
+            case 0x63: rM16(LD16()) = rHL;              break;
+            case 0x67: RRD();                           break;
+            case 0x68: IN(_rL, rC);                     break;
+            case 0x69: OUT(rC, rL);                     break;
+            case 0x6A: ADC16(_rHL, rHL);                break;
+            case 0x6B: rHL = rM16(LD16());              break;
+            case 0x6F: RLD();                           break;
+
+            case 0x70: IN(_rF, rC);                     break;
+            case 0x71: OUT(rC, 0);                      break;
+            case 0x72: SBC16(_rHL, rSP);                break;
+            case 0x73: rM16(LD16()) = rSP;              break;
+            case 0x78: IN(_rA, rC);                     break;
+            case 0x79: OUT(rC, rA);                     break;
+            case 0x7A: ADC16(_rHL, rSP);                break;
+            case 0x7B: rSP = rM16(LD16());              break;
+
+            // CONT...
+            
+            default: INVALID();                         break;
+        }
+
+    }
+
 }
\ No newline at end of file