diff options
Diffstat (limited to 'hardware.c')
| -rw-r--r-- | hardware.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/hardware.c b/hardware.c new file mode 100644 index 0000000..846a390 --- /dev/null +++ b/hardware.c @@ -0,0 +1,172 @@ +#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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