Autoconfigure RAM for emulator

Autoconfigure RAM for emulator based on MCU's free memory
Bakisha · Aug 8, 2020 · 230efab · 230efab
1 parent 7bd0794
commit 230efab
Show file tree

Hide file tree

Showing 19 changed files with 811 additions and 794 deletions.
diff --git a/SD_CARD/STM32SID_FOLDER-PLAYER_SDCARD_BUTTON1/02_ram.ino b/SD_CARD/STM32SID_FOLDER-PLAYER_SDCARD_BUTTON1/02_ram.ino
@@ -1,12 +1,22 @@
 
 
-#if defined(SPI_RAM) 
-// TODO 
-#elif defined(PARALLEL_SRAM) 
+#if defined(SPI_RAM)
+// TODO
+#elif defined(PARALLEL_SRAM)
 // TODO
 #else
 // internal RAM
 
+void AllocateRAM() {
+  if ((FreeBytes()) > 0xffff ) {
+    RAM_SIZE = 0xffff;
+  }
+  else {
+    RAM_SIZE = FreeBytes() - 2048;
+  }
+  RAM = (uint8_t*) calloc(RAM_SIZE, sizeof(uint8_t)); // allocate memory
+}
+
 inline void POKE (uint16_t addr , uint8_t bytE ) {
 
   RAM[addr] = bytE;

diff --git a/SD_CARD/STM32SID_FOLDER-PLAYER_SDCARD_BUTTON1/03_6502.ino b/SD_CARD/STM32SID_FOLDER-PLAYER_SDCARD_BUTTON1/03_6502.ino
@@ -14,7 +14,7 @@ inline  uint8_t read6502(uint16_t address) {
     JSR1003 = 1; // if it's loading <20-03-10> (example: JSR $1003) value from sid_play routine, it is time for fake VIC-II irq signal
   }
   if ((address >= 0xD400) && (address < 0xD420)) {
-   
+
     STAD4XX = 1; // sid read
     return_value = SID[address - 0xD400]; // TODO: make it unreadable //   SID
   }
@@ -39,19 +39,19 @@ inline  uint8_t read6502(uint16_t address) {
 
   if ( address < (0x400) ) return_value = PEEK (address) ; // zero page, stack, player, screen RAM
 
-//CIA timer
+  //CIA timer
   if ( address == 0xdc04 )  {
-  return_value = CIA_DC04;
-}
-if ( address == 0xdc05 )  {
-  return_value = CIA_DC05;
-}
+    return_value = CIA_DC04;
+  }
+  if ( address == 0xdc05 )  {
+    return_value = CIA_DC05;
+  }
 
 
 
 
 
-return return_value;
+  return return_value;
 
 }
 
@@ -292,16 +292,16 @@ inline void write6502(uint16_t address, uint8_t value) {
   } // LOW_RAM
 
 
- //CIA timer
+  //CIA timer
   if ( address == 0xdc04 )  {
- CIA_DC04=value;
-}
-if ( address == 0xdc05 )  {
-  CIA_DC05=value;
-}
-if (CIA_DC05>0) { // set song speed only when Hi value of CIA timer is greater then 0
-  set_tune_speed ();
-}
+    CIA_DC04 = value;
+  }
+  if ( address == 0xdc05 )  {
+    CIA_DC05 = value;
+  }
+  if (CIA_DC05 > 0) { // set song speed only when Hi value of CIA timer is greater then 0
+    set_tune_speed ();
+  }
 
 }
 

diff --git a/SD_CARD/STM32SID_FOLDER-PLAYER_SDCARD_BUTTON1/30_tuneChecks.ino b/SD_CARD/STM32SID_FOLDER-PLAYER_SDCARD_BUTTON1/30_tuneChecks.ino
@@ -93,7 +93,7 @@ inline bool Compatibility_check() {
   if (SID_load_start == 0) {
     SID_load_start = PEEK (0x7c + 0x380) + (PEEK (0x7d + 0x380) * 256);
   }
-  if ( SID_load_start >= 0x07E8)  {
+  if ( SID_load_start >= 0x0400)  { // >= 0x07E8)  {
     LOAD_ADDRESS = SID_load_start;
   }