mirror of
https://github.com/sanni/cartreader.git
synced 2025-01-23 18:31:11 +01:00
Merge pull request #715 from splash5/superacan
Add support for dumping Super A'can game and save
This commit is contained in:
sanni
GitHub
commit
b19781bf64
@ -146,6 +146,9 @@ char ver[5] = "12.3";
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// WonderSwan
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//#define enable_WS
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// Super A'can
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//#define enable_SUPRACAN
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//******************************************
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// HW CONFIGS
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//******************************************
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@ -408,6 +411,7 @@ void print_STR(byte string_number, boolean newline) {
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#define mode_ODY2 29
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#define mode_ARC 30
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#define mode_FAIRCHILD 31
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#define mode_SUPRACAN 32
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// optimization-safe nop delay
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#define NOP __asm__ __volatile__("nop\n\t")
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@ -1002,8 +1006,9 @@ static const char modeItem16[] PROGMEM = "Magnavox Odyssey 2";
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static const char modeItem17[] PROGMEM = "Arcadia 2001";
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static const char modeItem18[] PROGMEM = "Fairchild Channel F";
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static const char modeItem19[] PROGMEM = "Flashrom Programmer";
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static const char modeItem20[] PROGMEM = "About";
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static const char* const modeOptions[] PROGMEM = { modeItem1, modeItem2, modeItem3, modeItem4, modeItem5, modeItem6, modeItem7, modeItem8, modeItem9, modeItem10, modeItem11, modeItem12, modeItem13, modeItem14, modeItem15, modeItem16, modeItem17, modeItem18, modeItem19, modeItem20 };
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static const char modeItem20[] PROGMEM = "Super A'can";
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static const char modeItem21[] PROGMEM = "About";
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static const char* const modeOptions[] PROGMEM = { modeItem1, modeItem2, modeItem3, modeItem4, modeItem5, modeItem6, modeItem7, modeItem8, modeItem9, modeItem10, modeItem11, modeItem12, modeItem13, modeItem14, modeItem15, modeItem16, modeItem17, modeItem18, modeItem19, modeItem20, modeItem21 };
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// All included slots
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void mainMenu() {
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@ -1026,7 +1031,7 @@ void mainMenu() {
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num_answers = 7;
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} else { // currPage == 3
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option_offset = 14;
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num_answers = 6;
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num_answers = 7;
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}
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// Copy menuOptions out of progmem
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convertPgm(modeOptions + option_offset, num_answers);
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@ -1184,7 +1189,13 @@ void mainMenu() {
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break;
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#endif
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#ifdef enable_SUPRACAN
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case 19:
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setup_SuprAcan();
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break;
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#endif
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case 20:
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aboutScreen();
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break;
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@ -1214,10 +1225,11 @@ static const char* const modeOptions[] PROGMEM = { modeItem1, modeItem2, modeIte
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// Add-ons submenu
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static const char addonsItem1[] PROGMEM = "70s Consoles";
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static const char addonsItem2[] PROGMEM = "80s Consoles";
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static const char addonsItem3[] PROGMEM = "Handhelds";
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static const char addonsItem4[] PROGMEM = "Flashrom Programmer";
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static const char addonsItem3[] PROGMEM = "90s Consoles";
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static const char addonsItem4[] PROGMEM = "Handhelds";
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static const char addonsItem5[] PROGMEM = "Flashrom Programmer";
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//static const char addonsItem5[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const addonsOptions[] PROGMEM = { addonsItem1, addonsItem2, addonsItem3, addonsItem4, string_reset2 };
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static const char* const addonsOptions[] PROGMEM = { addonsItem1, addonsItem2, addonsItem3, addonsItem4, addonsItem5, string_reset2 };
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// 70s Consoles submenu
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static const char consoles70Item1[] PROGMEM = "Atari 2600";
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@ -1236,6 +1248,10 @@ static const char consoles80Item3[] PROGMEM = "SMS/GG/MIII/SG-1000";
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//static const char consoles80Item4[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const consoles80Options[] PROGMEM = { consoles80Item1, consoles80Item2, consoles80Item3, string_reset2 };
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// 90s Consoles submenu
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static const char consoles90Item1[] PROGMEM = "Super A'can";
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static const char* const consoles90Options[] PROGMEM = { consoles90Item1, string_reset2 };
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// Handhelds submenu
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static const char handheldsItem1[] PROGMEM = "Virtual Boy";
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static const char handheldsItem2[] PROGMEM = "WonderSwan";
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@ -1301,8 +1317,8 @@ void addonMenu() {
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// create menu with title and 5 options to choose from
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unsigned char addonsMenu;
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// Copy menuOptions out of progmem
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convertPgm(addonsOptions, 5);
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addonsMenu = question_box(F("Type"), menuOptions, 5, 0);
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convertPgm(addonsOptions, 6);
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addonsMenu = question_box(F("Type"), menuOptions, 6, 0);
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// wait for user choice to come back from the question box menu
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switch (addonsMenu) {
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@ -1316,13 +1332,17 @@ void addonMenu() {
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consoles80Menu();
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break;
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// Handhelds
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case 2:
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consoles90Menu();
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break;
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// Handhelds
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case 3:
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handheldMenu();
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break;
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#ifdef enable_FLASH
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case 3:
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case 4:
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#ifdef enable_FLASH16
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flashMenu();
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#else
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@ -1331,7 +1351,7 @@ void addonMenu() {
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break;
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#endif
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case 4:
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case 5:
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resetArduino();
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break;
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@ -1347,7 +1367,6 @@ void consoles70Menu() {
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// Copy menuOptions out of progmem
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convertPgm(consoles70Options, 7);
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consoles70Menu = question_box(F("Choose Adapter"), menuOptions, 7, 0);
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// wait for user choice to come back from the question box menu
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switch (consoles70Menu) {
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#ifdef enable_ATARI
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@ -1446,6 +1465,31 @@ void consoles80Menu() {
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}
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}
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// Everything that needs an adapter
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void consoles90Menu() {
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unsigned char consoles90Menu;
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// Copy menuOptions out of progmem
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convertPgm(consoles90Options, 2);
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consoles90Menu = question_box(F("Choose Adapter"), menuOptions, 2, 0);
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// wait for user choice to come back from the question box menu
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switch (consoles90Menu) {
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#ifdef enable_SUPRACAN
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case 0:
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setup_SuprAcan();
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break;
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#endif
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case 1:
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resetArduino();
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break;
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default:
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print_MissingModule(); // does not return
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break;
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}
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}
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// Everything that needs an adapter
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void handheldMenu() {
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// create menu with title and 6 options to choose from
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@ -3510,6 +3554,11 @@ void loop() {
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else if (mode == mode_FAIRCHILD) {
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fairchildMenu();
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}
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#endif
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#ifdef enable_SUPRACAN
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else if (mode == mode_SUPRACAN) {
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suprAcanMenu();
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}
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#endif
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else {
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display_Clear();
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647
Cart_Reader/SUPRACAN.ino
Normal file
647
Cart_Reader/SUPRACAN.ino
Normal file
@ -0,0 +1,647 @@
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//******************************************
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// Super A'can MODULE
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// Only tested with HW3 and HW5
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//******************************************
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#ifdef enable_SUPRACAN
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/******************************************
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Menu
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*****************************************/
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static const char acanMenuItem1[] PROGMEM = "Read Rom";
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static const char acanMenuItem2[] PROGMEM = "Read Save";
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static const char acanMenuItem3[] PROGMEM = "Write Save";
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static const char acanMenuItem4[] PROGMEM = "Read UM6650";
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static const char acanMenuItem5[] PROGMEM = "Write UM6650";
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static const char acanMenuItem6[] PROGMEM = "Flash repro";
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static const char *const menuOptionsAcan[] PROGMEM = { acanMenuItem1, acanMenuItem2, acanMenuItem3, acanMenuItem4, acanMenuItem5, string_reset2, acanMenuItem6 };
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void setup_SuprAcan() {
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vselect(false);
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// addr as output
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DDRF = 0xff; // A0 - A7
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DDRK = 0xff; // A8 - A15
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DDRL = 0xff; // A16 - A23
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// data as input
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DDRC = 0xff;
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DDRA = 0xff;
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PORTC = 0x00; // disable internal pull-up
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PORTA = 0x00;
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DDRC = 0x00; // D0 - D7
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DDRA = 0x00; // D8 - D15
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// set /RST(PH0), /CS(PH3), C27(PH4), R/W(PH5), /AS(PH6) output
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DDRH |= ((1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
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PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
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PORTH &= ~((1 << 0) | (1 << 4));
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// set 6619_124(PE4) input
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DDRE &= ~(1 << 4);
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// detect if flash chip exists
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PORTG |= (1 << 5);
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DDRG |= (1 << 5);
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PORTG |= (1 << 5);
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dataOut_MD();
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writeWord_Acan(0xaaaa, 0xaaaa);
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writeWord_Acan(0x5555, 0x5555);
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writeWord_Acan(0xaaaa, 0x9090);
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dataIn_MD();
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eepbit[0] = readWord_Acan(0x2);
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eepbit[1] = readWord_Acan(0x0);
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dataOut_MD();
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writeWord_Acan(0x0, 0xf0f0);
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dataIn_MD();
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// set /CARTIN(PG5) input
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PORTG &= ~(1 << 5);
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DDRG &= ~(1 << 5);
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*((uint32_t *)(eepbit + 4)) = getFlashChipSize_Acan(*((uint16_t *)eepbit));
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display_Clear();
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initializeClockOffset();
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// clockgen
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if (i2c_found) {
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clockgen.set_freq(1073863500ULL, SI5351_CLK1); // cpu
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clockgen.set_freq(357954500ULL, SI5351_CLK2); // subcarrier
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clockgen.set_freq(5369317500ULL, SI5351_CLK0); // master clock
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clockgen.output_enable(SI5351_CLK1, 1);
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clockgen.output_enable(SI5351_CLK2, 1);
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clockgen.output_enable(SI5351_CLK0, 0);
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// Wait for clock generator
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clockgen.update_status();
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delay(500);
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}
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#ifdef clockgen_installed
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else {
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print_FatalError(F("Clock Generator not found"));
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}
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#endif
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checkRomExist_Acan();
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wait();
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}
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void suprAcanMenu() {
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uint8_t mainMenu = 6;
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if (*((uint32_t *)(eepbit + 4)) > 0)
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mainMenu = 7;
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convertPgm(menuOptionsAcan, mainMenu);
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mainMenu = question_box(F("Super A'can Menu"), menuOptions, mainMenu, 0);
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switch (mainMenu) {
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case 0:
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{
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readROM_Acan();
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break;
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}
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case 1:
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{
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readSRAM_Acan();
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break;
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}
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case 2:
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{
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writeSRAM_Acan();
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verifySRAM_Acan();
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break;
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}
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case 3:
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{
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readUM6650();
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break;
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}
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case 4:
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{
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writeUM6650();
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verifyUM6650();
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break;
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}
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case 6:
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{
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flashCart_Acan();
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break;
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}
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default:
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{
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resetCart_Acan();
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resetArduino();
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break;
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}
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}
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println_Msg(F(""));
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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}
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static void readROM_Acan() {
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uint32_t crc32 = 0xffffffff;
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EEPROM_readAnything(0, foldern);
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snprintf(folder, FILEPATH_LENGTH, "/ACAN/ROM/%d", foldern);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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sd.mkdir(folder, true);
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sd.chdir(folder);
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if (!myFile.open("rom.bin", O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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foldern++;
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EEPROM_writeAnything(0, foldern);
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draw_progressbar(0, cartSize);
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dataIn_MD();
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for (uint32_t addr = 0; addr < cartSize; addr += 512, draw_progressbar(addr, cartSize)) {
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for (uint32_t i = 0; i < 512; i += 2) {
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*((uint16_t *)(sdBuffer + i)) = readWord_Acan(addr + i);
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UPDATE_CRC(crc32, sdBuffer[i]);
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UPDATE_CRC(crc32, sdBuffer[i + 1]);
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}
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myFile.write(sdBuffer, 512);
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if ((addr & ((1 << 14) - 1)) == 0)
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blinkLED();
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}
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crc32 = ~crc32;
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myFile.close();
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print_Msg(F("CRC32: "));
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print_Msg_PaddedHex32(crc32);
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println_Msg(F(""));
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print_STR(done_STR, 1);
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}
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static void readSRAM_Acan() {
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// create a new folder for storing rom file
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EEPROM_readAnything(0, foldern);
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snprintf(folder, FILEPATH_LENGTH, "/ACAN/SAVE/%d", foldern);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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sd.mkdir(folder, true);
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sd.chdir(folder);
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if (!myFile.open("save.bin", O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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foldern++;
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EEPROM_writeAnything(0, foldern);
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dataIn_MD();
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for (uint32_t i = 0; i < 0x10000; i += 1024) {
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for (uint32_t j = 0; j < 1024; j += 2)
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sdBuffer[(j >> 1)] = readWord_Acan(0xec0000 + i + j);
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myFile.write(sdBuffer, 512);
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}
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myFile.close();
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print_STR(done_STR, 1);
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}
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static void writeSRAM_Acan() {
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filePath[0] = 0;
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sd.chdir();
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fileBrowser(F("Select a file"));
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snprintf(filePath, FILEPATH_LENGTH, "%s/%s", filePath, fileName);
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display_Clear();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(F("File doesn't exist"));
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return;
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}
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print_Msg(F("Writing "));
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print_Msg(filePath);
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println_Msg(F("..."));
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display_Update();
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dataOut_MD();
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for (uint32_t i = 0; i < 0x10000 && myFile.available(); i += 1024) {
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myFile.read(sdBuffer, 512);
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for (uint32_t j = 0; j < 1024; j += 2)
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writeWord_Acan(0xec0000 + i + j, sdBuffer[(j >> 1)]);
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}
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myFile.close();
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dataIn_MD();
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print_STR(done_STR, 1);
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}
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static void verifySRAM_Acan() {
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print_STR(verifying_STR, 0);
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display_Update();
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if (!myFile.open(filePath, O_READ)) {
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print_Error(F("File doesn't exist"));
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return;
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}
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uint16_t write_errors = 0;
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dataIn_MD();
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for (uint32_t i = 0; i < 0x10000 && myFile.available(); i += 1024) {
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myFile.read(sdBuffer, 512);
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for (uint32_t j = 0; j < 1024; j += 2) {
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if (readWord_Acan(0xec0000 + i + j) != sdBuffer[(j >> 1)])
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write_errors++;
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}
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}
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myFile.close();
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if (write_errors == 0) {
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println_Msg(F("passed"));
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} else {
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println_Msg(F("failed"));
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print_Msg(F("Error: "));
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print_Msg(write_errors);
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println_Msg(F(" bytes "));
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print_Error(did_not_verify_STR);
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}
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}
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static void readUM6650() {
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// create a new folder for storing rom file
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EEPROM_readAnything(0, foldern);
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snprintf(folder, sizeof(folder), "/ACAN/UM6650/%d", foldern);
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display_Clear();
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print_STR(saving_to_STR, 0);
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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sd.mkdir(folder, true);
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sd.chdir(folder);
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if (!myFile.open("UM6650.bin", O_RDWR | O_CREAT))
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print_FatalError(create_file_STR);
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foldern++;
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EEPROM_writeAnything(0, foldern);
|
||||
|
||||
for (uint16_t i = 0; i < 256; i++) {
|
||||
dataOut_MD();
|
||||
writeWord_Acan(0xeb0d03, i);
|
||||
|
||||
dataIn_MD();
|
||||
sdBuffer[i] = readWord_Acan(0xeb0d01);
|
||||
}
|
||||
|
||||
myFile.write(sdBuffer, 256);
|
||||
myFile.close();
|
||||
|
||||
print_STR(done_STR, 1);
|
||||
}
|
||||
|
||||
static void verifyUM6650() {
|
||||
print_STR(verifying_STR, 0);
|
||||
display_Update();
|
||||
|
||||
if (!myFile.open(filePath, O_READ)) {
|
||||
print_Error(F("File doesn't exist"));
|
||||
return;
|
||||
}
|
||||
|
||||
uint16_t write_errors = 0;
|
||||
uint16_t len = myFile.read(sdBuffer, 256);
|
||||
myFile.close();
|
||||
|
||||
for (uint16_t i = 0; i < len; i++) {
|
||||
dataOut_MD();
|
||||
writeWord_Acan(0xeb0d03, i);
|
||||
|
||||
dataIn_MD();
|
||||
if (readWord_Acan(0xeb0d01) != sdBuffer[i])
|
||||
write_errors++;
|
||||
}
|
||||
|
||||
if (write_errors) {
|
||||
println_Msg(F("failed"));
|
||||
print_Msg(F("Error: "));
|
||||
print_Msg(write_errors);
|
||||
println_Msg(F(" bytes "));
|
||||
print_Error(did_not_verify_STR);
|
||||
} else {
|
||||
println_Msg(F("passed"));
|
||||
}
|
||||
}
|
||||
|
||||
static void writeUM6650() {
|
||||
filePath[0] = 0;
|
||||
sd.chdir("/");
|
||||
fileBrowser(F("Select a file"));
|
||||
snprintf(filePath, FILEPATH_LENGTH, "%s/%s", filePath, fileName);
|
||||
|
||||
display_Clear();
|
||||
|
||||
if (!myFile.open(filePath, O_READ)) {
|
||||
print_Error(F("File doesn't exist"));
|
||||
return;
|
||||
}
|
||||
|
||||
uint16_t len = myFile.read(sdBuffer, 256);
|
||||
myFile.close();
|
||||
|
||||
print_Msg(F("Writing "));
|
||||
print_Msg(filePath);
|
||||
println_Msg(F("..."));
|
||||
display_Update();
|
||||
|
||||
dataOut_MD();
|
||||
for (uint16_t i = 0; i < len; i++) {
|
||||
writeWord_Acan(0xeb0d03, i);
|
||||
writeWord_Acan(0xeb0d01, sdBuffer[i]);
|
||||
|
||||
delay(10); // for AT28C64B write
|
||||
}
|
||||
|
||||
dataIn_MD();
|
||||
print_STR(done_STR, 1);
|
||||
}
|
||||
|
||||
static void flashCart_Acan() {
|
||||
uint32_t *flash_size = (uint32_t *)(eepbit + 4);
|
||||
|
||||
filePath[0] = 0;
|
||||
sd.chdir();
|
||||
fileBrowser(F("Select a file"));
|
||||
snprintf(filePath, FILEPATH_LENGTH, "%s/%s", filePath, fileName);
|
||||
|
||||
display_Clear();
|
||||
|
||||
if (!myFile.open(filePath, O_READ)) {
|
||||
print_Error(F("File doesn't exist"));
|
||||
return;
|
||||
}
|
||||
|
||||
print_Msg(F("Writing "));
|
||||
print_Msg(filePath + 1);
|
||||
println_Msg(F("..."));
|
||||
display_Update();
|
||||
|
||||
uint32_t i, j, k, file_length = myFile.fileSize();
|
||||
uint16_t data;
|
||||
|
||||
DDRG |= (1 << 5);
|
||||
PORTG |= (1 << 5);
|
||||
|
||||
draw_progressbar(0, file_length);
|
||||
|
||||
for (i = 0; i < file_length; i += *flash_size) {
|
||||
// erase chip
|
||||
dataOut_MD();
|
||||
writeWord_Acan(i + 0xaaaa, 0xaaaa);
|
||||
writeWord_Acan(i + 0x5555, 0x5555);
|
||||
writeWord_Acan(i + 0xaaaa, 0x8080);
|
||||
writeWord_Acan(i + 0xaaaa, 0xaaaa);
|
||||
writeWord_Acan(i + 0x5555, 0x5555);
|
||||
writeWord_Acan(i + 0xaaaa, 0x1010);
|
||||
|
||||
dataIn_MD();
|
||||
while (readWord_Acan(i) != 0xffff)
|
||||
;
|
||||
|
||||
for (j = 0; j < *flash_size; j += 512) {
|
||||
myFile.read(sdBuffer, 512);
|
||||
|
||||
for (k = 0; k < 512; k += 2) {
|
||||
data = *((uint16_t *)(sdBuffer + k));
|
||||
|
||||
dataOut_MD();
|
||||
writeWord_Acan(i + 0xaaaa, 0xaaaa);
|
||||
writeWord_Acan(i + 0x5555, 0x5555);
|
||||
writeWord_Acan(i + 0xaaaa, 0xa0a0);
|
||||
writeWord_Acan(i + j + k, data);
|
||||
|
||||
dataIn_MD();
|
||||
while (readWord_Acan(i + j + k) != data)
|
||||
;
|
||||
}
|
||||
|
||||
draw_progressbar(i + j + k, file_length);
|
||||
|
||||
if ((j & 0xfff) == 0)
|
||||
blinkLED();
|
||||
}
|
||||
}
|
||||
|
||||
PORTG &= ~(1 << 5);
|
||||
DDRG &= ~(1 << 5);
|
||||
|
||||
myFile.close();
|
||||
print_STR(done_STR, 1);
|
||||
|
||||
checkRomExist_Acan();
|
||||
}
|
||||
|
||||
static void checkRomExist_Acan() {
|
||||
// RST to 0
|
||||
PORTH &= ~(1 << 0);
|
||||
NOP;
|
||||
NOP;
|
||||
NOP;
|
||||
NOP;
|
||||
NOP;
|
||||
NOP;
|
||||
|
||||
// /RST to 1
|
||||
PORTH |= (1 << 0);
|
||||
|
||||
cartSize = getRomSize_Acan();
|
||||
romSize = cartSize >> 17;
|
||||
mode = mode_SUPRACAN;
|
||||
|
||||
if (cartSize == 0)
|
||||
print_Error(F("Unable to find rom signature..."));
|
||||
else {
|
||||
print_Msg(F("ROM Size: "));
|
||||
print_Msg(romSize);
|
||||
println_Msg(F(" Mb"));
|
||||
}
|
||||
|
||||
display_Update();
|
||||
}
|
||||
|
||||
static uint32_t getRomSize_Acan() {
|
||||
uint32_t addr = 0;
|
||||
uint32_t crc32;
|
||||
|
||||
do {
|
||||
// check if there is rom chip exists
|
||||
// pull-up enable
|
||||
DDRC = 0xff;
|
||||
DDRA = 0xff;
|
||||
PORTC = 0xff;
|
||||
PORTA = 0xff;
|
||||
DDRC = 0x00;
|
||||
DDRA = 0x00;
|
||||
*((uint16_t *)sdBuffer) = readWord_Acan(addr);
|
||||
|
||||
// pull-up disable
|
||||
DDRC = 0xff;
|
||||
DDRA = 0xff;
|
||||
PORTC = 0x00;
|
||||
PORTA = 0x00;
|
||||
DDRC = 0x00;
|
||||
DDRA = 0x00;
|
||||
*((uint16_t *)(sdBuffer + 2)) = readWord_Acan(addr);
|
||||
|
||||
// should be them same if chip exists
|
||||
if (sdBuffer[0] != sdBuffer[2] || sdBuffer[1] != sdBuffer[3])
|
||||
break;
|
||||
|
||||
crc32 = 0xffffffff;
|
||||
|
||||
for (uint32_t i = 0x2000; i < 0x2080; i += 2) {
|
||||
*((uint16_t *)sdBuffer) = readWord_Acan(addr + i);
|
||||
UPDATE_CRC(crc32, sdBuffer[0]);
|
||||
UPDATE_CRC(crc32, sdBuffer[1]);
|
||||
}
|
||||
|
||||
crc32 = ~crc32;
|
||||
|
||||
if (crc32 == 0xa2bc9d7a) {
|
||||
if (addr > 0)
|
||||
break;
|
||||
} else {
|
||||
if (addr == 0)
|
||||
break;
|
||||
}
|
||||
|
||||
addr += 0x80000;
|
||||
|
||||
} while (addr < 0x800000);
|
||||
|
||||
return addr;
|
||||
}
|
||||
|
||||
static void resetCart_Acan() {
|
||||
// set /CS(PH3), R/W(PH5), /AS(PH6) high
|
||||
// /RST(PH0) and C27(PH4) low
|
||||
PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
|
||||
PORTH &= ~((1 << 0) | (1 << 4));
|
||||
|
||||
if (i2c_found) {
|
||||
clockgen.output_enable(SI5351_CLK1, 0); // CPU clock
|
||||
clockgen.output_enable(SI5351_CLK2, 0); // CIC clock
|
||||
clockgen.output_enable(SI5351_CLK0, 0); // master clock
|
||||
}
|
||||
}
|
||||
|
||||
static void writeWord_Acan(uint32_t addr, uint16_t data) {
|
||||
uint8_t *ptr = (uint8_t *)&addr;
|
||||
|
||||
PORTF = *ptr++;
|
||||
PORTK = *ptr++;
|
||||
PORTL = *ptr;
|
||||
|
||||
if (*ptr < 0xe0) {
|
||||
// ROM area
|
||||
// /CS(PH3), C27(PH4), R/W(PH5), /AS(PH6) to L
|
||||
PORTH &= ~((1 << 3) | (1 << 4) | (1 << 5) | (1 << 6));
|
||||
} else if (*ptr == 0xec) {
|
||||
// save area
|
||||
// /CS(PH3) to H, C27(PH4), R/W(PH5), /AS(PH6) to L
|
||||
PORTH |= (1 << 3);
|
||||
PORTH &= ~((1 << 4) | (1 << 5) | (1 << 6));
|
||||
} else if (addr == 0x00eb0d03 || addr == 0x00eb0d01) {
|
||||
// UM6650 area
|
||||
// /CS(PH3), C27(PH4) to H, R/W(PH5), /AS(PH6) to L
|
||||
PORTH |= ((1 << 3) | (1 << 4));
|
||||
PORTH &= ~((1 << 5) | (1 << 6));
|
||||
}
|
||||
|
||||
ptr = (uint8_t *)&data;
|
||||
PORTC = *ptr++;
|
||||
PORTA = *ptr;
|
||||
|
||||
NOP;
|
||||
NOP;
|
||||
NOP;
|
||||
|
||||
PORTH &= ~(1 << 4);
|
||||
PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
|
||||
}
|
||||
|
||||
static uint16_t readWord_Acan(uint32_t addr) {
|
||||
uint8_t *ptr = (uint8_t *)&addr;
|
||||
uint16_t data;
|
||||
|
||||
PORTF = *ptr++;
|
||||
PORTK = *ptr++;
|
||||
PORTL = *ptr;
|
||||
|
||||
if (*ptr < 0xe0) {
|
||||
// ROM area
|
||||
// /CS(PH3), C27(PH4), /AS(PH6) to L
|
||||
PORTH &= ~((1 << 3) | (1 << 4) | (1 << 6));
|
||||
} else if (*ptr == 0xec) {
|
||||
// save area
|
||||
// /CS(PH3) to H, C27(PH4), /AS(PH6) to L
|
||||
PORTH |= (1 << 3);
|
||||
PORTH &= ~((1 << 4) | (1 << 6));
|
||||
} else if (addr == 0x00eb0d03 || addr == 0x00eb0d01) {
|
||||
// UM6650 area
|
||||
// /CS(PH3), C27(PH4) to H, /AS(PH6) to L
|
||||
PORTH |= ((1 << 3) | (1 << 4));
|
||||
PORTH &= ~(1 << 6);
|
||||
}
|
||||
|
||||
ptr = (uint8_t *)&data;
|
||||
NOP;
|
||||
NOP;
|
||||
NOP;
|
||||
|
||||
*ptr++ = PINC;
|
||||
*ptr = PINA;
|
||||
|
||||
PORTH &= ~(1 << 4);
|
||||
PORTH |= ((1 << 3) | (1 << 5) | (1 << 6));
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
static uint32_t getFlashChipSize_Acan(uint16_t chip_id) {
|
||||
// 0x0458 (8M), 0x01ab (4M), 0x01d8 (16M)
|
||||
switch (chip_id) {
|
||||
case 0x01ab: return 524288;
|
||||
case 0x0458: return 1048576;
|
||||
case 0x01d8: return 2097152;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
x
Reference in New Issue
Block a user