wavemotion-dave/NINTV-DS
1
Fork 0
mirror of https://github.com/wavemotion-dave/NINTV-DS.git synced 2025-06-18 13:55:33 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

Version 4.7b where .int files can be either .rom or .bin and Nintellivision will auto-detect. This allows you to rename all Intellivision game ROMs to .int so that Twilight Menu will recognize them. Also slight tweak to Intellivoice games to speed them up 1%

Browse Source
This commit is contained in:
Dave Bernazzani 2024-01-21 09:15:08 -05:00
parent 44b66486dd
commit 7fc7b70c17
7 changed files with 18 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

BIN
NINTV-DS.nds
View File

Binary file not shown.

2
arm9/Makefile
View File

@ -26,7 +26,7 @@ GRAPHICS := gfx
#ARCH := -mthumb -mthumb-interwork
ARCH :=
CFLAGS := -Ofast -march=armv5te -mtune=arm946e-s -fomit-frame-pointer -ffast-math $(ARCH) -falign-functions=16 -frename-registers
CFLAGS := -Ofast -march=armv5te -mtune=arm946e-s -fomit-frame-pointer -ffast-math $(ARCH) -falign-functions=4 -frename-registers
CFLAGS += $(INCLUDE) -DARM9
CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -Wno-conversion-null

2
arm9/source/debugger.cpp
View File

@ -32,7 +32,7 @@
#include "AudioMixer.h"
#include "printf.h"
INT32 debug[8] __attribute__((section(".dtcm"))) = {0};
INT32 debug[DEBUG_SIZE] __attribute__((section(".dtcm"))) = {0};
int getMemUsed(void) // returns the amount of used memory in bytes
{

1
arm9/source/debugger.h
View File

@ -32,6 +32,7 @@ extern AY38900 *debug_stic;
extern AY38914 *debug_psg;
extern AY38914 *debug_psg2;
#define DEBUG_SIZE 8
extern INT32 debug[];
extern void show_debug_overlay(void);

14
arm9/source/emucore/SP0256.cpp
View File

@ -27,7 +27,7 @@ INT32 bitsLeft __attribute__((section(".dtcm")));
INT32 currentBits __attribute__((section(".dtcm")));
UINT16 pc __attribute__((section(".dtcm")));
UINT16 stack __attribute__((section(".dtcm")));
INT32 mode __attribute__((section(".dtcm")));
UINT8 mode __attribute__((section(".dtcm")));
INT32 repeatPrefix __attribute__((section(".dtcm")));
UINT16 fifoBytes[64] __attribute__((section(".dtcm")));
@ -166,8 +166,7 @@ ITCM_CODE INT32 SP0256::tick(INT32 minimum)
if (periodCounter == 0) {
periodCounter = 64;
repeat--;
for (UINT8 j = 0; j < 6; j++)
y[j][0] = y[j][1] = 0;
memset(y, 0x00, sizeof(y));
}
else
periodCounter--;
@ -183,9 +182,7 @@ ITCM_CODE INT32 SP0256::tick(INT32 minimum)
periodCounter = period;
repeat--;
sample = ((amplitude & 0x1F) << ((amplitude & 0xE0) >> 5));
for (INT32 j = 0; j < 6; j++)
y[j][0] = y[j][1] = 0;
memset(y, 0x00, sizeof(y));
}
else
periodCounter--;
@ -213,7 +210,7 @@ ITCM_CODE INT32 SP0256::tick(INT32 minimum)
return totalTicks;
}
INT8 SP0256::readDelta(INT32 numBits) {
ITCM_CODE INT8 SP0256::readDelta(INT32 numBits) {
INT32 value = readBits(numBits);
if ((value & (1 << (numBits - 1))) != 0)
value |= -1 << numBits;
@ -270,7 +267,6 @@ ITCM_CODE INT32 SP0256::readBits(INT32 numBits)
bitsLeft += 10;
pc++;
}
}
INT32 output = currentBits & bitMasks[numBits-1];
@ -800,7 +796,7 @@ void SP0256::PAUSE(INT32 immed4) {
periodInterpolation = 0;
}
void SP0256::decode() {
ITCM_CODE void SP0256::decode() {
INT32 immed4 = readBits(4);
INT32 nextInstruction = readBitsReverse(4);
switch (nextInstruction) {

2
arm9/source/emucore/SP0256.h
View File

@ -67,7 +67,7 @@ extern INT32 currentBits;
//registers
extern UINT16 pc;
extern UINT16 stack;
extern INT32 mode;
extern UINT8 mode;
extern INT32 repeatPrefix;
extern INT32 command;

12
arm9/source/loadgame.cpp
View File

@ -61,7 +61,8 @@ BOOL LoadCart(const CHAR* filename)
bIsFatalError = false;
bGameLoaded = FALSE;
memset(debug, 0x00, 8 * (sizeof(UINT32)));
// Clear out the debug array with every new game loaded
memset(debug, 0x00, DEBUG_SIZE * (sizeof(UINT32)));
// Load up the configuration based on the CRC32 of the game. Do this early since we need some of those properties to load the RIP
FindAndLoadConfig(CRC32::getCrc(filename));
@ -84,6 +85,11 @@ BOOL LoadCart(const CHAR* filename)
const CHAR* extStart = filename + strlen(filename) - 4;
// -------------------------------------------------------------------------------------------------------------------------
// A .bin is always assumed to be a flat binary file (and may or may not have a .cfg file to go with it).
// A .rom is always assumed to be a file with extra meta-data that lets us know where to load it in memory.
// A .int file can switch-hit and might be a .bin or a .rom -- we look for the signature 0xA8 byte to see if it's a .rom
// -------------------------------------------------------------------------------------------------------------------------
UINT8 bIsROM = ((strcmpi(extStart, ".rom") == 0) ? true:false);
if (strcmpi(extStart, ".int") == 0)
{
@ -93,7 +99,7 @@ BOOL LoadCart(const CHAR* filename)
if (file == NULL)
{
FatalError("BIN FILE DOES NOT EXIST");
return NULL;
return FALSE;
}
if (fgetc(file) == 0xA8) bIsROM = true;
fclose(file);
@ -101,7 +107,7 @@ BOOL LoadCart(const CHAR* filename)
if (bIsROM)
{
//load the binary file as a Rip
//load the .rom file as a Rip with meta-data parsed
currentRip = Rip::LoadRom(filename);
if (currentRip == NULL)
{