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V1.8: Disable SRAM when flashing LoROM repro

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sanni 2018-09-20 02:30:23 +02:00 committed by GitHub
parent ee3af5d644
commit 478f9c6a27
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2 changed files with 9 additions and 5 deletions
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6
Cart_Reader/Cart_Reader.ino
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@ -2,8 +2,8 @@
Cartridge Reader for Arduino Mega2560
Author: sanni
Date: 12-09-2018
Version: 1.7
Date: 20-09-2018
Version: 1.8
SD lib: https://github.com/greiman/SdFat
LCD lib: https://github.com/adafruit/Adafruit_SSD1306
@ -35,7 +35,7 @@
infinest - help with GB Memory cart
**********************************************************************************/
char ver[5] = "1.7";
char ver[5] = "1.8";
/******************************************
Define Starting Point

8
Cart_Reader/FLASH.ino
View File

@ -53,7 +53,7 @@ static const char epromMenuItem5[] PROGMEM = "Reset";
static const char* const menuOptionsEprom[] PROGMEM = {epromMenuItem1, epromMenuItem2, epromMenuItem3, epromMenuItem4, epromMenuItem5};
void flashMenu() {
// create menu with title and 4 options to choose from
// create menu with title and 3 options to choose from
unsigned char flashSlot;
// Copy menuOptions out of progmem
convertPgm(menuOptionsFlash, 3);
@ -678,6 +678,8 @@ void writeByte_Flash(unsigned long myAddress, byte myData) {
}
else {
PORTK = (myAddress >> 8) & 0x7F;
// Set A15(PK7) HIGH to disable SRAM
PORTK |= (1 << 7);
PORTL = (myAddress >> 15) & 0xFF;
}
PORTC = myData;
@ -707,6 +709,8 @@ byte readByte_Flash(unsigned long myAddress) {
}
else {
PORTK = (myAddress >> 8) & 0x7F;
// Set A15(PK7) HIGH to disable SRAM
PORTK |= (1 << 7);
PORTL = (myAddress >> 15) & 0xFF;
}
@ -890,7 +894,7 @@ void busyCheck29F032(byte c) {
// Setting OE(PH1) CE(PH6)LOW
PORTH &= ~((1 << 1) | (1 << 6));
// Setting WE(PH4) WE_SNES HIGH
// Setting WE(PH4) WE_SNES(PH5) HIGH
PORTH |= (1 << 4) | (1 << 5);
//When the Embedded Program algorithm is complete, the device outputs the datum programmed to D7