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SFM.ino: Move all menu variables from globals to locals.

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Saves about 100 bytes of program memory and 80 bytes of global ram.
This commit is contained in:
Vincent Pelletier 2022-10-24 06:16:04 +00:00
parent 3632b06980
commit 3c3b399d6a
1 changed files with 16 additions and 21 deletions
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37
Cart_Reader/SFM.ino
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@ -16,16 +16,11 @@
// SF Memory status
byte sfmReady = 0;
// SF Memory Menu
boolean hasMenu = true;
byte numGames = 0;
// Arrays that hold game info
int gameSize[8];
int saveSize[8];
byte gameAddress[8];
byte gameVersion[8];
char gameCode[8][10];
boolean hirom[8];
/******************************************
@ -79,20 +74,17 @@ void sfmMenu() {
}
void sfmGameMenu() {
char menuOptionsSFMGames[8][20];
byte numGames;
boolean hasMenu;
// Switch to hirom all
if (send_SFM(0x04) == 0x2A) {
delay(300);
// Fill arrays with data
getGames();
getGames(menuOptionsSFMGames, &hasMenu, &numGames);
if (hasMenu) {
// Create submenu options
char menuOptionsSFMGames[8][20];
for (int i = 0; i < (numGames); i++) {
strncpy(menuOptionsSFMGames[i], gameCode[i], 10);
}
// Create menu with title and numGames options to choose from
unsigned char gameSubMenu;
// wait for user choice to come back from the question box menu
@ -121,7 +113,7 @@ void sfmGameMenu() {
}
}
// Copy gameCode to romName in case of japanese chars in romName
strcpy(romName, gameCode[gameSubMenu + 1]);
strcpy(romName, menuOptionsSFMGames[gameSubMenu + 1]);
// Print info
getCartInfo_SFM();
@ -133,7 +125,7 @@ void sfmGameMenu() {
delay(200);
// Copy gameCode to romName in case of japanese chars in romName
strcpy(romName, gameCode[0]);
strcpy(romName, menuOptionsSFMGames[0]);
// Print info
getCartInfo_SFM();
@ -441,29 +433,31 @@ void sfmFlashMenu() {
#endif
// Read the games from the menu area
void getGames() {
void getGames(char gameCode[8][20], boolean *hasMenu, byte *numGames) {
// Set data pins to input
dataIn();
// Set control pins to input
controlIn_SFM();
// Check if menu is present
*hasMenu = true;
byte menuString[] = { 0x4D, 0x45, 0x4E, 0x55, 0x20, 0x50, 0x52, 0x4F, 0x47, 0x52, 0x41, 0x4D };
for (int i = 0; i < 12; i++) {
if (menuString[i] != readBank_SFM(0xC0, 0x7FC0 + i)) {
hasMenu = false;
*hasMenu = false;
}
}
if (hasMenu) {
if (*hasMenu) {
*numGames = 0;
// Count number of games
for (word i = 0x0000; i < 0xE000; i += 0x2000) {
if (readBank_SFM(0xC6, i) == numGames)
numGames++;
if (readBank_SFM(0xC6, i) == *numGames)
(*numGames)++;
}
// Get game info
for (int i = 0; i < numGames; i++) {
for (int i = 0; i < *numGames; i++) {
// Read starting address and size
gameAddress[i] = 0xC0 + readBank_SFM(0xC6, i * 0x2000 + 0x01) * 0x8;
gameSize[i] = readBank_SFM(0xC6, i * 0x2000 + 0x03) * 128;
@ -500,6 +494,7 @@ void getGames() {
}
} else {
word base;
*numGames = 1;
//check if hirom
if (readBank_SFM(0xC0, 0xFFD5) == 0x31) {
hirom[0] = true;
@ -1756,4 +1751,4 @@ void write_SFM(int startBank, uint32_t pos) {
//******************************************
// End of File
//******************************************
//******************************************