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V2.8: Fix GBA Sram issue

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Thanks to Cyber_Akuma
This commit is contained in:
sanni 2019-02-18 13:36:00 +01:00
parent 9f3d408fc1
commit 94a0d9ed1d
2 changed files with 12 additions and 12 deletions
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6
Cart_Reader/Cart_Reader.ino
View File

@ -2,8 +2,8 @@
Cartridge Reader for Arduino Mega2560
Author: sanni
Date: 31-01-2019
Version: 2.7
Date: 18-02-2019
Version: 2.8
SD lib: https://github.com/greiman/SdFat
LCD lib: https://github.com/adafruit/Adafruit_SSD1306
@ -37,7 +37,7 @@
vogelfreiheit - N64 flashram fix
**********************************************************************************/
char ver[5] = "2.7";
char ver[5] = "2.8";
/******************************************
Define Starting Point

18
Cart_Reader/GBA.ino
View File

@ -547,21 +547,21 @@ void setup_GBA() {
Low level functions
*****************************************/
void setROM_GBA() {
// Set address/data pins to OUTPUT
// CS_SRAM(PH0)
DDRH |= (1 << 0); PORTH |= (1 << 0);
// CS_ROM(PH3)
DDRH |= (1 << 3); PORTH |= (1 << 3);
// WR(PH5)
DDRH |= (1 << 5); PORTH |= (1 << 5);
// RD(PH6)
DDRH |= (1 << 6); PORTH |= (1 << 6);
// AD0-AD7
DDRF = 0xFF;
// AD8-AD15
DDRK = 0xFF;
// AD16-AD23
DDRC = 0xFF;
// Set Control Pins to Output CS_SRAM(PH0) CS_ROM(PH3) WR(PH5) RD(PH6)
// CLK is N/C and IRQ is conected to GND inside the cartridge
DDRH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
// Output a high signal on CS_SRAM(PH0) CS_ROM(PH3) WR(PH5) RD(PH6)
// At power-on all the control lines are high/disabled
PORTH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
// Wait
delay(500);
}