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-Fixed SoundBias so it's an ARM7 bios function again 

-Added GetSineTable
This commit is contained in:
cyberwarriorx 2006-11-18 01:10:55 +00:00
parent 48d5edd6b8
commit e72e8b593a
1 changed files with 20 additions and 3 deletions
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23
desmume/src/bios.c
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@ -26,6 +26,17 @@
extern BOOL execute;
static u16 getsinetbl[] = {
0x0000, 0x0324, 0x0648, 0x096A, 0x0C8C, 0x0FAB, 0x12C8, 0x15E2,
0x18F9, 0x1C0B, 0x1F1A, 0x2223, 0x2528, 0x2826, 0x2B1F, 0x2E11,
0x30FB, 0x33DF, 0x36BA, 0x398C, 0x3C56, 0x3F17, 0x41CE, 0x447A,
0x471C, 0x49B4, 0x4C3F, 0x4EBF, 0x5133, 0x539B, 0x55F5, 0x5842,
0x5A82, 0x5CB3, 0x5ED7, 0x60EB, 0x62F1, 0x64E8, 0x66CF, 0x68A6,
0x6A6D, 0x6C23, 0x6DC9, 0x6F5E, 0x70E2, 0x7254, 0x73B5, 0x7504,
0x7641, 0x776B, 0x7884, 0x7989, 0x7A7C, 0x7B5C, 0x7C29, 0x7CE3,
0x7D89, 0x7E1D, 0x7E9C, 0x7F09, 0x7F61, 0x7FA6, 0x7FD8, 0x7FF5
};
static u16 getpitchtbl[] = {
0x0000, 0x003B, 0x0076, 0x00B2, 0x00ED, 0x0128, 0x0164, 0x019F,
0x01DB, 0x0217, 0x0252, 0x028E, 0x02CA, 0x0305, 0x0341, 0x037D,
@ -917,6 +928,12 @@ u32 setHaltCR(armcpu_t* cpu)
return 1;
}
u32 getSineTab(armcpu_t* cpu)
{
cpu->R[0] = getsinetbl[cpu->R[0]];
return 1;
}
u32 getPitchTab(armcpu_t* cpu)
{
cpu->R[0] = getpitchtbl[cpu->R[0]];
@ -967,7 +984,7 @@ u32 (* ARM9_swi_tab[32])(armcpu_t* cpu)={
waitVBlankARM, // 0x05
wait4IRQ, // 0x06
bios_nop, // 0x07
SoundBias, // 0x08
bios_nop, // 0x08
devide, // 0x09
bios_nop, // 0x0A
copy, // 0x0B
@ -1002,7 +1019,7 @@ u32 (* ARM7_swi_tab[32])(armcpu_t* cpu)={
waitVBlankARM, // 0x05
wait4IRQ, // 0x06
wait4IRQ, // 0x07
bios_nop, // 0x08
SoundBias, // 0x08
devide, // 0x09
bios_nop, // 0x0A
copy, // 0x0B
@ -1020,7 +1037,7 @@ u32 (* ARM7_swi_tab[32])(armcpu_t* cpu)={
bios_nop, // 0x17
bios_nop, // 0x18
bios_nop, // 0x19
bios_nop, // 0x1A
getSineTab, // 0x1A
getPitchTab, // 0x1B
getVolumeTab, // 0x1C
bios_nop, // 0x1D