Add fix for Badlands, Road Blaster and Bega's Battle on the RPi

DirtBagXon · Mar 13, 2021 · be31cfb · be31cfb
1 parent c0d8a4d
commit be31cfb
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/src/cpu/mc6809.cpp b/src/cpu/mc6809.cpp
@@ -226,7 +226,7 @@ static unsigned char fetch_buffer[MC6809_FETCH_BUFFER_SIZE];
 
 /* le caractère 8-bit du MC6809 impose l'utilisation de char
    pour la manipulation des opcodes qui sont des octets signés */
-static char *op;
+static signed char *op;
 static int ad;
 static int *regist[4], *exreg[16];
 static int illegal_instruction_flag;
@@ -2004,7 +2004,7 @@ unsigned int mc6809_StepExec(unsigned int ncycles)
 
         /* on remplit le buffer de fetch */
         FetchInstr(pc, fetch_buffer);
-        op=(char*) fetch_buffer;
+        op=(signed char*) fetch_buffer;
 
         /* on décode l'instruction */
         r=(*(op++))&0xFF;
@@ -2049,7 +2049,7 @@ int mc6809_TimeExec(mc6809_clock_t time_limit)
 
         /* on remplit le buffer de fetch */
         FetchInstr(pc, fetch_buffer);
-        op=(char*) fetch_buffer;
+        op=(signed char*) fetch_buffer;
 
         /* on décode l'instruction */
         r=(*(op++))&0xFF;

diff --git a/src/cpu/nes6502.cpp b/src/cpu/nes6502.cpp
@@ -295,10 +295,10 @@
    if (condition) \
    { \
       IMMEDIATE_BYTE(btemp); \
-      if (((int8) btemp + (PC & 0x00FF)) & 0x100) \
+      if (((int8_t) btemp + (PC & 0x00FF)) & 0x100) \
          ADD_CYCLES(1); \
       ADD_CYCLES(3); \
-      PC += ((int8) btemp); \
+      PC += ((int8_t) btemp); \
    } \
    else \
    { \