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Initial work on PCE flash repro, erase working

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This commit is contained in:
Roger Braunstein 2024-06-28 18:09:51 -07:00
parent 9cbc8caad3
commit 88564c21da
1 changed files with 74 additions and 11 deletions
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85
Cart_Reader/PCE.ino
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@ -18,6 +18,7 @@
#define HUCARD 0
#define TURBOCHIP 1
#define HUCARD_NOSWAP 2
#define PCE_FLASH 3
#define DETECTION_SIZE 64
#define FORCED_SIZE 1024
#define CHKSUM_SKIP 0
@ -53,7 +54,8 @@ uint8_t tennokoe_bank_index = 0;
static const char pceMenuItem1[] PROGMEM = "HuCARD (swapped)";
static const char pceMenuItem2[] PROGMEM = "HuCARD(not swapped)";
static const char pceMenuItem3[] PROGMEM = "Turbochip";
static const char *const menuOptionspce[] PROGMEM = { pceMenuItem1, pceMenuItem2, pceMenuItem3, FSTRING_RESET };
static const char pceMenuItem4[] PROGMEM = "Flash Repro (SST)";
static const char *const menuOptionspce[] PROGMEM = { pceMenuItem1, pceMenuItem2, pceMenuItem3, pceMenuItem4, FSTRING_RESET };
// PCE card menu items
static const char menuOptionspceCart_1[] PROGMEM = "Read RAM Bank %d";
@ -66,15 +68,18 @@ static const char menuOptionspceCart_5_fmt[] PROGMEM = "ROM size now %dK";
// Turbochip menu items
static const char *const menuOptionspceTC[] PROGMEM = { FSTRING_READ_ROM, FSTRING_RESET };
// PCE start menu
void pcsMenu(void) {
// create menu with title and 3 options to choose from
unsigned char pceDev;
// Copy menuOptions out of progmem
convertPgm(menuOptionspce, 3);
pceDev = question_box(F("Select device"), menuOptions, 3, 0);
#ifdef ENABLE_FLASH
// Flash repro menu items
static const char menuOptionspceFlash1[] PROGMEM = "Erase";
static const char *const menuOptionspceFlash[] PROGMEM = { menuOptionspceFlash1, FSTRING_RESET };
#endif
// PCE start menu, first a device type is selected and set in pce_internal_mode
void pcsMenu(void) {
unsigned char pceDev;
convertPgm(menuOptionspce, 4);
pceDev = question_box(F("Select device"), menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (pceDev) {
case 0:
//Hucard
@ -103,9 +108,23 @@ void pcsMenu(void) {
mode = CORE_PCE;
break;
#ifdef ENABLE_FLASH
case 3:
//Flash Repro
display_Clear();
display_Update();
pce_internal_mode = PCE_FLASH;
setup_cart_PCE();
mode = CORE_PCE;
break;
#endif
case 4:
resetArduino();
break;
default:
print_MissingModule(); // does not return
}
}
@ -273,7 +292,7 @@ void write_byte_PCE(uint32_t address, uint8_t data) {
"nop\n\t");
//Swap bit order for PC Engine HuCARD
if (pce_internal_mode == HUCARD) {
if (pce_internal_mode == HUCARD || pce_internal_mode == PCE_FLASH) {
data = ((data & 0x01) << 7) | ((data & 0x02) << 5) | ((data & 0x04) << 3) | ((data & 0x08) << 1) | ((data & 0x10) >> 1) | ((data & 0x20) >> 3) | ((data & 0x40) >> 5) | ((data & 0x80) >> 7);
}
@ -808,6 +827,28 @@ void read_rom_PCE(void) {
wait();
}
void flash_erase_PCE() {
display_Clear();
pin_read_write_PCE();
data_output_PCE();
PORTH |= (1 << 3); // RD HIGH
write_byte_PCE(0x5555, 0xAA);
write_byte_PCE(0x2AAA, 0x55);
write_byte_PCE(0x5555, 0x80);
write_byte_PCE(0x5555, 0xAA);
write_byte_PCE(0x2AAA, 0x55);
write_byte_PCE(0x5555, 0x10);
// TSCE = 100ms
delay(100);
pin_init_PCE();
println_Msg(FS(FSTRING_OK));
print_STR(press_button_STR, 1);
display_Update();
wait();
}
// PC Engine Menu
void pceMenu() {
// create menu with title and 7 options to choose from
@ -861,7 +902,8 @@ void pceMenu() {
resetArduino();
break;
}
} else {
}
else if (pce_internal_mode == TURBOCHIP) {
// Copy menuOptions out of progmem
convertPgm(menuOptionspceTC, 2);
mainMenu = question_box(F("TG TurboChip menu"), menuOptions, 2, 0);
@ -877,6 +919,27 @@ void pceMenu() {
break;
}
}
#ifdef ENABLE_FLASH
else if (pce_internal_mode == PCE_FLASH) {
const int max = 2;
convertPgm(menuOptionspceFlash, max);
mainMenu = question_box(F("Flash Repro menu"), menuOptions, max, 0);
switch (mainMenu) {
case 0:
// Format/erase
flash_erase_PCE();
break;
case 1:
resetArduino();
break;
}
}
#endif
else {
print_MissingModule(); // does not return
}
}
#endif