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#include "global.h"
#include "hardware.h"
char *vram, *vram2;
void BacklightOn()
{
if(!IsEmulator)
{
switch(getCalc())
{
case UNKNOWN: return;
case fx9860G_SLIM: (*(volatile struct st_port *)0xA4000126).DR.BIT.B5 = 1; break;
case fx9860GII: (*(volatile struct st_port *)0xA400012C).DR.BIT.B7 = 1; break;
case fx9860GII_2: (*(volatile struct st_port *)0xA4050138).DR.BIT.B4 = 1; break;
}
}
}
void BacklightOff()
{
if(!IsEmulator)
{
switch(getCalc())
{
case UNKNOWN: return;
case fx9860G_SLIM: (*(volatile struct st_port *)0xA4000126).DR.BIT.B5 = 0; break;
case fx9860GII: (*(volatile struct st_port *)0xA400012C).DR.BIT.B7 = 0; break;
case fx9860GII_2: (*(volatile struct st_port *)0xA4050138).DR.BIT.B4 = 0; break;
}
}
}
void BacklightChange()
{
if(!IsEmulator)
{
switch(getCalc())
{
case UNKNOWN: return;
case fx9860G_SLIM: (*(volatile struct st_port *)0xA4000126).DR.BIT.B5 = (*(volatile struct st_port *)0xA4000126).DR.BIT.B5 == 0; break;
case fx9860GII: (*(volatile struct st_port *)0xA400012C).DR.BIT.B7 = (*(volatile struct st_port *)0xA400012C).DR.BIT.B7 == 0; break;
case fx9860GII_2: (*(volatile struct st_port *)0xA4050138).DR.BIT.B4 = (*(volatile struct st_port *)0xA4050138).DR.BIT.B4 == 0; break;
}
}
}
int BacklightIsOn()
{
if(!IsEmulator)
{
switch(getCalc())
{
case UNKNOWN: return 0;
case fx9860G_SLIM: return (*(volatile struct st_port *)0xA4000126).DR.BIT.B5; break;
case fx9860GII: return (*(volatile struct st_port *)0xA400012C).DR.BIT.B7; break;
case fx9860GII_2: return (*(volatile struct st_port *)0xA4050138).DR.BIT.B4; break;
}
}
}
void set_contrast(int contrast)
{
if(!getCalc() == UNKNOWN && !IsEmulator)
{
char *LCD_register_selector = (char*)0xB4000000, *LCD_data_register = (char*)0xB4010000;
*LCD_register_selector = 6;
*LCD_data_register = contrast;
}
}
void display_vram()
{
if(getCalc() == UNKNOWN && !IsEmulator)
{
Bdisp_PutDisp_DD();
}
else
{
char *LCD_register_selector = (char*)0xB4000000, *LCD_data_register = (char*)0xB4010000, *mvram;
int i, j;
mvram = vram;
for(i=0 ; i<64 ; i++)
{
*LCD_register_selector = 4;
*LCD_data_register = i|192;
*LCD_register_selector = 4;
*LCD_data_register = 0;
*LCD_register_selector = 7;
for(j=0 ; j<16 ; j++) *LCD_data_register = *mvram++;
}
}
}
void clear_vram()
{
int i, end;
int *pointer_long, mvram;
char *pointer_byte;
mvram = (int)vram;
end = 4-mvram&3;
pointer_byte = (char*)mvram;
for(i=0 ; i<end ; i++) pointer_byte[i] = 0;
pointer_long = (int*) (mvram+end);
for(i=0 ; i<255 ; i++) pointer_long[i] = 0;
pointer_byte += 1020+end;
end = mvram&3;
for(i=0 ; i<end ; i++) pointer_byte[i] = 0;
}
short*APP_EnableRestart()
{
if(getCalc() != UNKNOWN && !IsEmulator)
{
unsigned int ea;
unsigned int j;
short*pEnableRestartFlag;
ea = *(unsigned int*)0x8001007C;
ea += 0x0490*4;
if ( ea < 0x8001007C ) return 0;
if ( ea > 0x81000000 ) return 0;
ea = *(unsigned int*)( ea );
if ( ea < 0x8001007C ) return 0;
if ( ea > 0x81000000 ) return 0;
j = *(unsigned char*)( ea + 1 );
j *= 4;
ea = ( ea + j + 4 ) & 0xFFFFFFFC;
if ( ea < 0x8001007C ) return 0;
if ( ea > 0x81000000 ) return 0;
pEnableRestartFlag = (short*)(*( unsigned int*)( ea ) + 8 );
if ( ( (unsigned int)pEnableRestartFlag & 0xFF000000 ) != 0x88000000 ) return 0;
if ( pEnableRestartFlag ) *pEnableRestartFlag = 1;
return pEnableRestartFlag;
}
return NULL;
}
int getCalc(void)
{
static int hardware = UNKNOWN;
if(hardware == UNKNOWN)
{
char v1, v2;
short v3, v4;
// check for calculator hardware type
if ( *(unsigned int*)0x80000300 == 0x80005D7C ){
if ( *(unsigned char*)0xA4000128 & 0x08 ){
hardware = fx9860G;
}
else{
hardware = fx9860G_SLIM;
}
}
else {
GlibGetOSVersionInfo( &v1, &v2, &v3, &v4 );
if ( ( v1 == 2 ) && ( v2 == 2 ) ){
hardware = fx9860GII_2;
}
else if ( ( *(unsigned int*)0x80000304 & 0x00FF0000 ) == 0x00AA0000 ){
// GII
hardware = fx9860GII;
}
else if ( ( *(unsigned int*)0x80000304 & 0x00FF0000 ) == 0x00550000 ){
// GII (French)
hardware = fx9860GII;
}
}
}
return hardware;
}
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