added experimental save support (only tested with EEPROM)

author: FIX94 <fix94.1@gmail.com> 2016-04-08 23:10:13 +0200
committer: FIX94 <fix94.1@gmail.com> 2016-04-08 23:10:13 +0200
commit: 2fdb5e638e023408697be8950e776e8f8ffd2590 (patch)
tree: ed9d04ded678e3e8af685221a8409d508455d918 /gba/source/main.c
parent: 95b6910184d576e64ace469b9845b96b5a1d9f2d (diff)
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1 files changed, 114 insertions, 20 deletions
diff --git a/gba/source/main.c b/gba/source/main.c
index 9d05189..567165a 100644
--- a/gba/source/main.c
+++ b/gba/source/main.c

@@ -7,12 +7,15 @@
 #include <gba_sio.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include "libSave.h"
-u32 getGameSize(void)
+u8 save_data[0x20000] __attribute__ ((section (".sbss")));
+s32 getGameSize(void)
 {
        if(*(vu32*)(0x08000004) != 0x51AEFF24)
-                return 0;
+                return -1;
-        u32 i;
+        s32 i;
        for(i = (1<<20); i < (1<<25); i<<=1)
        {
                vu16 *rompos = (vu16*)(0x08000000+i);
@@ -30,6 +33,8 @@ u32 getGameSize(void)
        }
        return i;
 }
+#define JOY_WRITE 2
+#define JOY_READ 4
 //---------------------------------------------------------------------------------
 // Program entry point
 //---------------------------------------------------------------------------------
@@ -49,43 +54,132 @@ int main(void) {
        u32 i;
        iprintf("\x1b[9;10HROM Dumper\n");
        iprintf("\x1b[10;5HPlease look at the TV\n");
-        REG_HS_CTRL |= 6;
+        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+        u32 prevIrqMask = REG_IME;
        while (1) {
-                if((REG_HS_CTRL&4))
+                if((REG_HS_CTRL&JOY_READ))
                {
-                        REG_HS_CTRL |= 4;
+                        irqDisable(IRQ_VBLANK);
-                        u32 gamesize = getGameSize();
+                        REG_IME = 0;
+                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                        s32 gamesize = getGameSize();
+                        u32 savesize = SaveSize(save_data,gamesize);
                        REG_JOYTR = gamesize;
-                        while((REG_HS_CTRL&4) == 0) ;
+                        //wait for a cmd receive for safety
-                        REG_HS_CTRL |= 4;
+                        while((REG_HS_CTRL&JOY_WRITE) == 0) ;
-                        if(gamesize == 0)
+                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                        REG_JOYTR = savesize;
+                        //wait for a cmd receive for safety
+                        while((REG_HS_CTRL&JOY_WRITE) == 0) ;
+                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                        if(gamesize == -1)
                        {
                                REG_JOYTR = 0;
+                                REG_IME = prevIrqMask;
+                                irqEnable(IRQ_VBLANK);
                                continue; //nothing to read
                        }
                        //game in, send header
                        for(i = 0; i < 0xC0; i+=4)
                        {
                                REG_JOYTR = *(vu32*)(0x08000000+i);
-                                while((REG_HS_CTRL&4) == 0) ;
+                                while((REG_HS_CTRL&JOY_READ) == 0) ;
-                                REG_HS_CTRL |= 4;
+                                REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
                        }
+                        REG_JOYTR = 0;
                        //wait for other side to choose
-                        while((REG_HS_CTRL&2) == 0) ;
+                        while((REG_HS_CTRL&JOY_WRITE) == 0) ;
-                        REG_HS_CTRL |= 2;
+                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
-                        if(REG_JOYRE == 0)
+                        u32 choseval = REG_JOYRE;
+                        if(choseval == 0)
                        {
                                REG_JOYTR = 0;
+                                REG_IME = prevIrqMask;
+                                irqEnable(IRQ_VBLANK);
                                continue; //nothing to read
                        }
-                        //dump the game
+                        else if(choseval == 1)
-                        for(i = 0; i < gamesize; i+=4)
                        {
-                                REG_JOYTR = *(vu32*)(0x08000000+i);
+                                //dump the game
-                                while((REG_HS_CTRL&4) == 0) ;
+                                for(i = 0; i < gamesize; i+=4)
-                                REG_HS_CTRL |= 4;
+                                {
+                                        REG_JOYTR = *(vu32*)(0x08000000+i);
+                                        while((REG_HS_CTRL&JOY_READ) == 0) ;
+                                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                                }
+                        }
+                        else if(choseval == 2)
+                        {
+                                //backup save
+                                switch (savesize){
+                                case 0x200:
+                                        GetSave_EEPROM_512B(save_data);
+                                        break;
+                                case 0x2000:
+                                        GetSave_EEPROM_8KB(save_data);
+                                        break;
+                                case 0x8000:
+                                        GetSave_SRAM_32KB(save_data);
+                                        break;
+                                case 0x10000:
+                                        GetSave_FLASH_64KB(save_data);
+                                        break;
+                                case 0x20000:
+                                        GetSave_FLASH_128KB(save_data);
+                                        break;
+                                default:
+                                        break;
+                                }
+                                REG_JOYTR = savesize;
+                                //wait for a cmd receive for safety
+                                while((REG_HS_CTRL&JOY_WRITE) == 0) ;
+                                REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                                //send the save
+                                for(i = 0; i < savesize; i+=4)
+                                {
+                                        REG_JOYTR = *(vu32*)(save_data+i);
+                                        while((REG_HS_CTRL&JOY_READ) == 0) ;
+                                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                                }
+                        }
+                        else if(choseval == 3)
+                        {
+                                REG_JOYTR = savesize;
+                                //receive the save
+                                for(i = 0; i < savesize; i+=4)
+                                {
+                                        while((REG_HS_CTRL&JOY_WRITE) == 0) ;
+                                        REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
+                                        *(vu32*)(save_data+i) = REG_JOYRE;
+                                }
+                                //write it
+                                switch (savesize){
+                                case 0x200:
+                                        PutSave_EEPROM_512B(save_data);
+                                        break;
+                                case 0x2000:
+                                        PutSave_EEPROM_8KB(save_data);
+                                        break;
+                                case 0x8000:
+                                        PutSave_SRAM_32KB(save_data);
+                                        break;
+                                case 0x10000:
+                                        PutSave_FLASH_64KB(save_data);
+                                        break;
+                                case 0x20000:
+                                        PutSave_FLASH_128KB(save_data);
+                                        break;
+                                default:
+                                        break;
+                                }
+                                REG_JOYTR = 0;
+                                //wait for a cmd receive for safety
+                                while((REG_HS_CTRL&JOY_WRITE) == 0) ;
+                                REG_HS_CTRL |= (JOY_WRITE|JOY_READ);
                        }
                        REG_JOYTR = 0;
+                        REG_IME = prevIrqMask;
+                        irqEnable(IRQ_VBLANK);
                }
                Halt();
        }
author	FIX94 <fix94.1@gmail.com>	2016-04-08 23:10:13 +0200
committer	FIX94 <fix94.1@gmail.com>	2016-04-08 23:10:13 +0200
commit	2fdb5e638e023408697be8950e776e8f8ffd2590 (patch)
tree	ed9d04ded678e3e8af685221a8409d508455d918 /gba/source/main.c
parent	95b6910184d576e64ace469b9845b96b5a1d9f2d (diff)
download	gen3uploader-2fdb5e638e023408697be8950e776e8f8ffd2590.tar.gz gen3uploader-2fdb5e638e023408697be8950e776e8f8ffd2590.tar.bz2 gen3uploader-2fdb5e638e023408697be8950e776e8f8ffd2590.zip

diff --git a/gba/source/main.c b/gba/source/main.c index 9d05189..567165a 100644 --- a/gba/source/main.c +++ b/gba/source/main.c
@@ -7,12 +7,15 @@
7	#include <gba_sio.h>	7	#include <gba_sio.h>
8	#include <stdio.h>	8	#include <stdio.h>
9	#include <stdlib.h>	9	#include <stdlib.h>
		10	#include "libSave.h"
10		11
11	u32 getGameSize(void)	12	u8 save_data[0x20000] __attribute__ ((section (".sbss")));
		13
		14	s32 getGameSize(void)
12	{	15	{
13	if((vu32)(0x08000004) != 0x51AEFF24)	16	if((vu32)(0x08000004) != 0x51AEFF24)
14	return 0;	17	return -1;
15	u32 i;	18	s32 i;
16	for(i = (1<<20); i < (1<<25); i<<=1)	19	for(i = (1<<20); i < (1<<25); i<<=1)
17	{	20	{
18	vu16 rompos = (vu16)(0x08000000+i);	21	vu16 rompos = (vu16)(0x08000000+i);
@@ -30,6 +33,8 @@ u32 getGameSize(void)
30	}	33	}
31	return i;	34	return i;
32	}	35	}
		36	#define JOY_WRITE 2
		37	#define JOY_READ 4
33	//---------------------------------------------------------------------------------	38	//---------------------------------------------------------------------------------
34	// Program entry point	39	// Program entry point
35	//---------------------------------------------------------------------------------	40	//---------------------------------------------------------------------------------
@@ -49,43 +54,132 @@ int main(void) {
49	u32 i;	54	u32 i;
50	iprintf("\x1b[9;10HROM Dumper\n");	55	iprintf("\x1b[9;10HROM Dumper\n");
51	iprintf("\x1b[10;5HPlease look at the TV\n");	56	iprintf("\x1b[10;5HPlease look at the TV\n");
52	REG_HS_CTRL \|= 6;	57	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		58	u32 prevIrqMask = REG_IME;
53	while (1) {	59	while (1) {
54	if((REG_HS_CTRL&4))	60	if((REG_HS_CTRL&JOY_READ))
55	{	61	{
56	REG_HS_CTRL \|= 4;	62	irqDisable(IRQ_VBLANK);
57	u32 gamesize = getGameSize();	63	REG_IME = 0;
		64	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		65	s32 gamesize = getGameSize();
		66	u32 savesize = SaveSize(save_data,gamesize);
58	REG_JOYTR = gamesize;	67	REG_JOYTR = gamesize;
59	while((REG_HS_CTRL&4) == 0) ;	68	//wait for a cmd receive for safety
60	REG_HS_CTRL \|= 4;	69	while((REG_HS_CTRL&JOY_WRITE) == 0) ;
61	if(gamesize == 0)	70	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		71	REG_JOYTR = savesize;
		72	//wait for a cmd receive for safety
		73	while((REG_HS_CTRL&JOY_WRITE) == 0) ;
		74	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		75	if(gamesize == -1)
62	{	76	{
63	REG_JOYTR = 0;	77	REG_JOYTR = 0;
		78	REG_IME = prevIrqMask;
		79	irqEnable(IRQ_VBLANK);
64	continue; //nothing to read	80	continue; //nothing to read
65	}	81	}
66	//game in, send header	82	//game in, send header
67	for(i = 0; i < 0xC0; i+=4)	83	for(i = 0; i < 0xC0; i+=4)
68	{	84	{
69	REG_JOYTR = (vu32)(0x08000000+i);	85	REG_JOYTR = (vu32)(0x08000000+i);
70	while((REG_HS_CTRL&4) == 0) ;	86	while((REG_HS_CTRL&JOY_READ) == 0) ;
71	REG_HS_CTRL \|= 4;	87	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
72	}	88	}
		89	REG_JOYTR = 0;
73	//wait for other side to choose	90	//wait for other side to choose
74	while((REG_HS_CTRL&2) == 0) ;	91	while((REG_HS_CTRL&JOY_WRITE) == 0) ;
75	REG_HS_CTRL \|= 2;	92	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
76	if(REG_JOYRE == 0)	93	u32 choseval = REG_JOYRE;
		94	if(choseval == 0)
77	{	95	{
78	REG_JOYTR = 0;	96	REG_JOYTR = 0;
		97	REG_IME = prevIrqMask;
		98	irqEnable(IRQ_VBLANK);
79	continue; //nothing to read	99	continue; //nothing to read
80	}	100	}
81	//dump the game	101	else if(choseval == 1)
82	for(i = 0; i < gamesize; i+=4)
83	{	102	{
84	REG_JOYTR = (vu32)(0x08000000+i);	103	//dump the game
85	while((REG_HS_CTRL&4) == 0) ;	104	for(i = 0; i < gamesize; i+=4)
86	REG_HS_CTRL \|= 4;	105	{
		106	REG_JOYTR = (vu32)(0x08000000+i);
		107	while((REG_HS_CTRL&JOY_READ) == 0) ;
		108	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		109	}
		110	}
		111	else if(choseval == 2)
		112	{
		113	//backup save
		114	switch (savesize){
		115	case 0x200:
		116	GetSave_EEPROM_512B(save_data);
		117	break;
		118	case 0x2000:
		119	GetSave_EEPROM_8KB(save_data);
		120	break;
		121	case 0x8000:
		122	GetSave_SRAM_32KB(save_data);
		123	break;
		124	case 0x10000:
		125	GetSave_FLASH_64KB(save_data);
		126	break;
		127	case 0x20000:
		128	GetSave_FLASH_128KB(save_data);
		129	break;
		130	default:
		131	break;
		132	}
		133	REG_JOYTR = savesize;
		134	//wait for a cmd receive for safety
		135	while((REG_HS_CTRL&JOY_WRITE) == 0) ;
		136	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		137	//send the save
		138	for(i = 0; i < savesize; i+=4)
		139	{
		140	REG_JOYTR = (vu32)(save_data+i);
		141	while((REG_HS_CTRL&JOY_READ) == 0) ;
		142	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		143	}
		144	}
		145	else if(choseval == 3)
		146	{
		147	REG_JOYTR = savesize;
		148	//receive the save
		149	for(i = 0; i < savesize; i+=4)
		150	{
		151	while((REG_HS_CTRL&JOY_WRITE) == 0) ;
		152	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
		153	(vu32)(save_data+i) = REG_JOYRE;
		154	}
		155	//write it
		156	switch (savesize){
		157	case 0x200:
		158	PutSave_EEPROM_512B(save_data);
		159	break;
		160	case 0x2000:
		161	PutSave_EEPROM_8KB(save_data);
		162	break;
		163	case 0x8000:
		164	PutSave_SRAM_32KB(save_data);
		165	break;
		166	case 0x10000:
		167	PutSave_FLASH_64KB(save_data);
		168	break;
		169	case 0x20000:
		170	PutSave_FLASH_128KB(save_data);
		171	break;
		172	default:
		173	break;
		174	}
		175	REG_JOYTR = 0;
		176	//wait for a cmd receive for safety
		177	while((REG_HS_CTRL&JOY_WRITE) == 0) ;
		178	REG_HS_CTRL \|= (JOY_WRITE\|JOY_READ);
87	}	179	}
88	REG_JOYTR = 0;	180	REG_JOYTR = 0;
		181	REG_IME = prevIrqMask;
		182	irqEnable(IRQ_VBLANK);
89	}	183	}
90	Halt();	184	Halt();
91	}	185	}