From 32cfef97a6f652c6f23c35db0a00eb1cd2d8b320 Mon Sep 17 00:00:00 2001
From: meepingsnesroms
Date: Tue, 18 Oct 2016 18:38:32 -0700
Subject: Remove breakpoint functions.

No one should use this emu for testing, and those functions where just
floating there disconnected.
---
 src/fxemu.c  | 48 +-----------------------------------------------
 src/fxemu.h  |  7 -------
 src/fxinst.c | 48 +-----------------------------------------------
 3 files changed, 2 insertions(+), 101 deletions(-)

(limited to 'src')

diff --git a/src/fxemu.c b/src/fxemu.c
index 8cd2b66..fc2cc9c 100644
--- a/src/fxemu.c
+++ b/src/fxemu.c
@@ -629,10 +629,7 @@ int FxEmulate(uint32 nInstructions)
    /* Execute GSU session */
    CF(IRQ);
 
-   if (GSU.bBreakPoint)
-      vCount = fx_ppfFunctionTable[FX_FUNCTION_RUN_TO_BREAKPOINT](nInstructions);
-   else
-      vCount = fx_ppfFunctionTable[FX_FUNCTION_RUN](nInstructions);
+   vCount = fx_ppfFunctionTable[FX_FUNCTION_RUN](nInstructions);
 
    /* Store GSU registers */
    fx_writeRegisterSpace();
@@ -644,49 +641,6 @@ int FxEmulate(uint32 nInstructions)
       return vCount;
 }
 
-/* Breakpoints */
-void FxBreakPointSet(uint32 vAddress)
-{
-   GSU.bBreakPoint = TRUE;
-   GSU.vBreakPoint = USEX16(vAddress);
-}
-void FxBreakPointClear()
-{
-   GSU.bBreakPoint = FALSE;
-}
-
-/* Step by step execution */
-int FxStepOver(uint32 nInstructions)
-{
-   uint32 vCount;
-   fx_readRegisterSpace();
-
-   /* Check if the start address is valid */
-   if (!fx_checkStartAddress())
-   {
-      CF(G);
-#if 0
-      GSU.vIllegalAddress = (GSU.vPrgBankReg << 24) | R15;
-      return FX_ERROR_ILLEGAL_ADDRESS;
-#else
-      return 0;
-#endif
-   }
-
-   if (PIPE >= 0xf0)
-      GSU.vStepPoint = USEX16(R15 + 3);
-   else if ((PIPE >= 0x05 && PIPE <= 0x0f) || (PIPE >= 0xa0 && PIPE <= 0xaf))
-      GSU.vStepPoint = USEX16(R15 + 2);
-   else
-      GSU.vStepPoint = USEX16(R15 + 1);
-   vCount = fx_ppfFunctionTable[FX_FUNCTION_STEP_OVER](nInstructions);
-   fx_writeRegisterSpace();
-   if (GSU.vErrorCode)
-      return GSU.vErrorCode;
-   else
-      return vCount;
-}
-
 /* Errors */
 int FxGetErrorCode()
 {
diff --git a/src/fxemu.h b/src/fxemu.h
index 133f646..2c03a97 100644
--- a/src/fxemu.h
+++ b/src/fxemu.h
@@ -112,13 +112,6 @@ extern int FxEmulate(uint32 nInstructions);
 extern void FxCacheWriteAccess(uint16 vAddress);
 extern void FxFlushCache();   /* Callled when the G flag in SFR is set to zero */
 
-/* Breakpoint */
-extern void FxBreakPointSet(uint32 vAddress);
-extern void FxBreakPointClear();
-
-/* Step by step execution */
-extern int FxStepOver(uint32 nInstructions);
-
 /* Errors */
 extern int FxGetErrorCode();
 extern int FxGetIllegalAddress();
diff --git a/src/fxinst.c b/src/fxinst.c
index 527d13b..15c54ba 100644
--- a/src/fxinst.c
+++ b/src/fxinst.c
@@ -3357,59 +3357,13 @@ static uint32 fx_run(uint32 nInstructions)
    return (nInstructions - GSU.vInstCount);
 }
 
-static uint32 fx_run_to_breakpoint(uint32 nInstructions)
-{
-   uint32 vCounter = 0;
-   while (TF(G) && vCounter < nInstructions)
-   {
-      vCounter++;
-      FX_STEP;
-      if (USEX16(R15) == GSU.vBreakPoint)
-      {
-         GSU.vErrorCode = FX_BREAKPOINT;
-         break;
-      }
-   }
-   /*
-   #ifndef FX_ADDRESS_CHECK
-   GSU.vPipeAdr = USEX16(R15-1) | (USEX8(GSU.vPrgBankReg)<<16);
-   #endif
-   */
-   return vCounter;
-}
-
-static uint32 fx_step_over(uint32 nInstructions)
-{
-   uint32 vCounter = 0;
-   while (TF(G) && vCounter < nInstructions)
-   {
-      vCounter++;
-      FX_STEP;
-      if (USEX16(R15) == GSU.vBreakPoint)
-      {
-         GSU.vErrorCode = FX_BREAKPOINT;
-         break;
-      }
-      if (USEX16(R15) == GSU.vStepPoint)
-         break;
-   }
-   /*
-   #ifndef FX_ADDRESS_CHECK
-   GSU.vPipeAdr = USEX16(R15-1) | (USEX8(GSU.vPrgBankReg)<<16);
-   #endif
-   */
-   return vCounter;
-}
-
 #ifdef FX_FUNCTION_TABLE
 uint32(*FX_FUNCTION_TABLE[])(uint32) =
 #else
 uint32(*fx_apfFunctionTable[])(uint32) =
 #endif
 {
-   &fx_run,
-   &fx_run_to_breakpoint,
-   &fx_step_over,
+   &fx_run
 };
 
 /*** Special table for the different plot configurations ***/
-- 
cgit v1.2.3