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Matched PPCArch.c, ai.c, db.c and got 99% on vi.c

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dbalatoni13 2024-11-11 00:24:45 +01:00
parent 692c9d32ec
commit e2db9694ef
8 changed files with 2017 additions and 14 deletions
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20
config/GMPE01_00/symbols.txt
View file

@ -2192,8 +2192,8 @@ __init_user = .text:0x800BB280; // type:function size:0x20 scope:global
__init_cpp = .text:0x800BB2A0; // type:function size:0x54 scope:local __init_cpp = .text:0x800BB2A0; // type:function size:0x54 scope:local
_ExitProcess = .text:0x800BB2F4; // type:function size:0x20 scope:global _ExitProcess = .text:0x800BB2F4; // type:function size:0x20 scope:global
DBInit = .text:0x800BB314; // type:function size:0x28 scope:global DBInit = .text:0x800BB314; // type:function size:0x28 scope:global
__DBExceptionDestinationAux = .text:0x800BB33C; // type:function size:0x48 scope:local __DBExceptionDestinationAux = .text:0x800BB33C; // type:function size:0x48 scope:global
__DBExceptionDestination = .text:0x800BB384; // type:function size:0x10 scope:global __DBExceptionDestination = .text:0x800BB384; // type:function size:0x10 scope:local
__DBIsExceptionMarked = .text:0x800BB394; // type:function size:0x1C scope:global __DBIsExceptionMarked = .text:0x800BB394; // type:function size:0x1C scope:global
DBPrintf = .text:0x800BB3B0; // type:function size:0x50 scope:global DBPrintf = .text:0x800BB3B0; // type:function size:0x50 scope:global
PSMTXIdentity = .text:0x800BB400; // type:function size:0x2C PSMTXIdentity = .text:0x800BB400; // type:function size:0x2C
@ -2321,7 +2321,7 @@ __fstLoad = .text:0x800C0A04; // type:function size:0x168 scope:global
__VIRetraceHandler = .text:0x800C0B6C; // type:function size:0x228 scope:local __VIRetraceHandler = .text:0x800C0B6C; // type:function size:0x228 scope:local
VISetPreRetraceCallback = .text:0x800C0D94; // type:function size:0x44 VISetPreRetraceCallback = .text:0x800C0D94; // type:function size:0x44
VISetPostRetraceCallback = .text:0x800C0DD8; // type:function size:0x44 VISetPostRetraceCallback = .text:0x800C0DD8; // type:function size:0x44
getTiming = .text:0x800C0E1C; // type:function size:0x90 getTiming = .text:0x800C0E1C; // type:function size:0x90 scope:local
__VIInit = .text:0x800C0EAC; // type:function size:0x1F8 __VIInit = .text:0x800C0EAC; // type:function size:0x1F8
VIInit = .text:0x800C10A4; // type:function size:0x478 VIInit = .text:0x800C10A4; // type:function size:0x478
VIWaitForRetrace = .text:0x800C151C; // type:function size:0x54 VIWaitForRetrace = .text:0x800C151C; // type:function size:0x54
@ -4344,7 +4344,7 @@ ResetFunctionInfo = .data:0x8013C2E0; // type:object size:0x10 scope:local
lbl_8013C2F0 = .data:0x8013C2F0; // type:object size:0x78 lbl_8013C2F0 = .data:0x8013C2F0; // type:object size:0x78
YearDays = .data:0x8013C368; // type:object size:0x30 scope:local YearDays = .data:0x8013C368; // type:object size:0x30 scope:local
LeapYearDays = .data:0x8013C398; // type:object size:0x30 scope:local LeapYearDays = .data:0x8013C398; // type:object size:0x30 scope:local
lbl_8013C3C8 = .data:0x8013C3C8; // type:object size:0x18 data:string lbl_8013C3C8 = .data:0x8013C3C8; // type:object size:0x18 scope:local data:string
lbl_8013C3E0 = .data:0x8013C3E0; // type:object size:0xC8 data:string lbl_8013C3E0 = .data:0x8013C3E0; // type:object size:0xC8 data:string
lbl_8013C4A8 = .data:0x8013C4A8; // type:object size:0x38 lbl_8013C4A8 = .data:0x8013C4A8; // type:object size:0x38
lbl_8013C4E0 = .data:0x8013C4E0; // type:object size:0x34 data:string lbl_8013C4E0 = .data:0x8013C4E0; // type:object size:0x34 data:string
@ -4359,12 +4359,12 @@ ErrorTable = .data:0x8013C660; // type:object size:0x48 scope:local data:4byte
timing = .data:0x8013C718; // type:object size:0x130 scope:local timing = .data:0x8013C718; // type:object size:0x130 scope:local
taps = .data:0x8013C848; // type:object size:0x32 scope:local taps = .data:0x8013C848; // type:object size:0x32 scope:local
jumptable_8013C87C = .data:0x8013C87C; // type:object size:0x58 scope:local jumptable_8013C87C = .data:0x8013C87C; // type:object size:0x58 scope:local
lbl_8013C8D4 = .data:0x8013C8D4; // type:object size:0x29 data:string lbl_8013C8D4 = .data:0x8013C8D4; // type:object size:0x29 scope:local data:string
lbl_8013C900 = .data:0x8013C900; // type:object size:0x29 data:string lbl_8013C900 = .data:0x8013C900; // type:object size:0x29 scope:local data:string
lbl_8013C92C = .data:0x8013C92C; // type:object size:0x29 data:string lbl_8013C92C = .data:0x8013C92C; // type:object size:0x29 scope:local data:string
lbl_8013C958 = .data:0x8013C958; // type:object size:0x29 data:string lbl_8013C958 = .data:0x8013C958; // type:object size:0x29 scope:local data:string
lbl_8013C984 = .data:0x8013C984; // type:object size:0x29 data:string lbl_8013C984 = .data:0x8013C984; // type:object size:0x29 scope:local data:string
lbl_8013C9B0 = .data:0x8013C9B0; // type:object size:0x29 data:string lbl_8013C9B0 = .data:0x8013C9B0; // type:object size:0x29 scope:local data:string
DEMOFontBitmap = .data:0x8013C9E0; // type:object size:0xC00 align:32 DEMOFontBitmap = .data:0x8013C9E0; // type:object size:0xC00 align:32
lbl_8013D5E0 = .data:0x8013D5E0; // type:object size:0xC data:string lbl_8013D5E0 = .data:0x8013D5E0; // type:object size:0xC data:string
lbl_8013D5EC = .data:0x8013D5EC; // type:object size:0x28 lbl_8013D5EC = .data:0x8013D5EC; // type:object size:0x28

8
configure.py
View file

@ -303,7 +303,7 @@ config.rel_empty_file = "REL/empty.c"
def DolphinLib(lib_name, objects): def DolphinLib(lib_name, objects):
return { return {
"lib": lib_name, "lib": lib_name,
"mw_version": "GC/2.6", "mw_version": "GC/1.2.5n",
"cflags": cflags_base, "cflags": cflags_base,
"host": False, "host": False,
"objects": objects, "objects": objects,
@ -442,7 +442,7 @@ config.libs = [
DolphinLib( DolphinLib(
"base", "base",
[ [
Object(NonMatching, "dolphin/PPCArch.c"), Object(Matching, "dolphin/PPCArch.c"),
], ],
), ),
DolphinLib( DolphinLib(
@ -477,7 +477,7 @@ config.libs = [
DolphinLib( DolphinLib(
"db", "db",
[ [
Object(NonMatching, "dolphin/db.c"), Object(Matching, "dolphin/db.c"),
], ],
), ),
DolphinLib( DolphinLib(
@ -527,7 +527,7 @@ config.libs = [
DolphinLib( DolphinLib(
"ai", "ai",
[ [
Object(NonMatching, "dolphin/ai.c"), Object(Matching, "dolphin/ai.c"),
], ],
), ),
DolphinLib( DolphinLib(

84
include/asm_types.h Normal file
View file

@ -0,0 +1,84 @@
#ifndef _ASM_TYPES
#define _ASM_TYPES
// Special Purpose Registers (SPRs)
#define XER 1
#define LR 8
#define CTR 9
#define DSISR 18
#define DAR 19
#define DEC 22
#define SDR1 25
#define SRR0 26
#define SRR1 27
#define SPRG0 272
#define SPRG1 273
#define SPRG2 274
#define SPRG3 275
#define EAR 282
#define PVR 287
#define IBAT0U 528
#define IBAT0L 529
#define IBAT1U 530
#define IBAT1L 531
#define IBAT2U 532
#define IBAT2L 533
#define IBAT3U 534
#define IBAT3L 535
#define DBAT0U 536
#define DBAT0L 537
#define DBAT1U 538
#define DBAT1L 539
#define DBAT2U 540
#define DBAT2L 541
#define DBAT3U 542
#define DBAT3L 543
#define GQR0 912
#define GQR1 913
#define GQR2 914
#define GQR3 915
#define GQR4 916
#define GQR5 917
#define GQR6 918
#define GQR7 919
#define HID2 920
#define WPAR 921
#define DMA_U 922
#define DMA_L 923
#define UMMCR0 936
#define UPMC1 937
#define UPMC2 938
#define USIA 939
#define UMMCR1 940
#define UPMC3 941
#define UPMC4 942
#define USDA 943
#define MMCR0 952
#define PMC1 953
#define PMC2 954
#define SIA 955
#define MMCR1 956
#define PMC3 957
#define PMC4 958
#define SDA 959
#define HID0 1008
#define HID1 1009
#define IABR 1010
#define DABR 1013
#define L2CR 1017
#define ICTC 1019
#define THRM1 1020
#define THRM2 1021
#define THRM3 1022
// Condition Registers (CRs)
#define cr0 0
#define cr1 1
#define cr2 2
#define cr3 3
#define cr4 4
#define cr5 5
#define cr6 6
#define cr7 7
#endif // _ASM_TYPES

6
include/dolphin/ai.h
View file

@ -9,6 +9,12 @@ extern "C" {
typedef void (*AISCallback)(u32 count); typedef void (*AISCallback)(u32 count);
typedef void (*AIDCallback)(); typedef void (*AIDCallback)();
#define AI_STREAM_START 1
#define AI_STREAM_STOP 0
#define AI_SAMPLERATE_32KHZ 0
#define AI_SAMPLERATE_48KHZ 1
AIDCallback AIRegisterDMACallback(AIDCallback callback); AIDCallback AIRegisterDMACallback(AIDCallback callback);
void AIInitDMA(u32 start_addr, u32 length); void AIInitDMA(u32 start_addr, u32 length);
BOOL AIGetDMAEnableFlag(); BOOL AIGetDMAEnableFlag();

565
src/dolphin/PPCArch.c Normal file
View file

@ -0,0 +1,565 @@
#include "types.h"
#include "asm_types.h"
/* clang-format off */
union FpscrUnion
{
f64 f;
struct
{
u32 fpscr_pad;
u32 fpscr;
} u;
};
#define HID0_SPD 0x00000200 // Speculative cache access enable (0 enable)
void PPCMthid0 ( u32 newHID0 );
/*
* --INFO--
* Address: 8036F7D4
* Size: 000008
*/
asm u32 PPCMfmsr (void)
{
nofralloc
mfmsr r3
blr
}
/*
* --INFO--
* Address: 8036F7DC
* Size: 000008
*/
asm void PPCMtmsr (register u32 newMSR)
{
nofralloc
mtmsr newMSR
blr
}
/*
* --INFO--
* Address: ........
* Size: 00000C
*/
void PPCOrMsr(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: ........
* Size: 00000C
*/
void PPCAndMsr(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: ........
* Size: 00000C
*/
void PPCAndCMsr(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: 8036F7E4
* Size: 000008
*/
asm u32 PPCMfhid0 (void)
{
nofralloc
mfspr r3, HID0
blr
}
/*
* --INFO--
* Address: 8036F7EC
* Size: 000008
*/
asm void PPCMthid0 (register u32 newHID0)
{
nofralloc
mtspr HID0, newHID0
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
void PPCMfhid1(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: 8036F7F4
* Size: 000008
*/
asm u32 PPCMfl2cr (void)
{
nofralloc
mfspr r3, L2CR
blr
}
/*
* --INFO--
* Address: 8036F7FC
* Size: 000008
*/
asm void PPCMtl2cr (register u32 newL2cr)
{
nofralloc
mtspr L2CR, newL2cr
blr
}
/*
* --INFO--
* Address: 8036F804
* Size: 000008
*/
__declspec ( weak ) asm void PPCMtdec ( register u32 newDec )
{
nofralloc
mtdec newDec
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
void PPCMfdec(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: 8036F80C
* Size: 000008
*/
asm void PPCSync (void)
{
nofralloc
sc
blr
}
/*
* --INFO--
* Address: ........
* Size: 000034
*/
asm void PPCEieio(void) {
nofralloc
mfmsr r5
rlwinm r6, r5, 0, 0x11, 0xf
mtmsr r6
mfspr r3, hid0
ori r4, r3, 8
mtspr hid0, r4
isync
eieio
isync
mtspr hid0, r3
mtmsr r5
isync
blr
}
/*
* --INFO--
* Address: 8036F814
* Size: 000014
*/
__declspec ( weak ) asm void PPCHalt (void) //spins infinitely
{
nofralloc
sync
_spin:
nop
li r3, 0
nop
b _spin
// NEVER REACHED
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfmmcr0(void)
{
nofralloc
mfspr r3, MMCR0
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
* UNUSED
*/
asm void PPCMtmmcr0 (register u32 newMmcr0)
{
nofralloc
mtspr MMCR0, newMmcr0
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfmmcr1(void)
{
nofralloc
mfspr r3, MMCR1
blr}
/*
* --INFO--
* Address: ........
* Size: 000008
* UNUSED
*/
asm void PPCMtmmcr1 (register u32 newMmcr1)
{
nofralloc
mtspr MMCR1, newMmcr1
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfpmc1(void)
{
nofralloc
mfspr r3, PMC1
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
* UNUSED
*/
asm void PPCMtpmc1 (register u32 newPmc1)
{
nofralloc
mtspr PMC1, newPmc1
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfpmc2(void)
{
nofralloc
mfspr r3, PMC2
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
* UNUSED
*/
asm void PPCMtpmc2 (register u32 newPmc2)
{
nofralloc
mtspr PMC2, newPmc2
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfpmc3(void)
{
nofralloc
mfspr r3, PMC2
blr}
/*
* --INFO--
* Address: ........
* Size: 000008
* UNUSED
*/
asm void PPCMtpmc3 (register u32 newPmc3)
{
nofralloc
mtspr PMC3, newPmc3
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfpmc4(void)
{
nofralloc
mfspr r3, PMC4
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
* UNUSED
*/
asm void PPCMtpmc4 (register u32 newPmc4)
{
nofralloc
mtspr PMC4, newPmc4
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfsia(void)
{
nofralloc
mfspr r3, SIA
blr}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMtsia(register u32 newSia)
{
nofralloc
mtspr SIA, newSia
blr
}
/*
* --INFO--
* Address: 8036F828
* Size: 000020
*/
u32 PPCMffpscr(void)
{
union FpscrUnion m;
asm
{
mffs fp31
stfd fp31, m.f;
}
return m.u.fpscr;
}
/*
* --INFO--
* Address: 8036F848
* Size: 000028
*/
void PPCMtfpscr(register u32 newFPSCR)
{
union FpscrUnion m;
asm
{
li r4, 0
stw r4, m.u.fpscr_pad;
stw newFPSCR, m.u.fpscr
lfd fp31, m.f
mtfsf 0xff, fp31
}
}
/*
* --INFO--
* Address: 8036F870
* Size: 000008
*/
asm u32 PPCMfhid2 ( void )
{
nofralloc
mfspr r3, HID2
blr
}
/*
* --INFO--
* Address: 8036F878
* Size: 000008
*/
asm void PPCMthid2 ( register u32 newhid2 )
{
nofralloc
mtspr HID2, newhid2
blr
}
/*
* --INFO--
* Address: 8036F880
* Size: 00000C
*/
asm u32 PPCMfwpar(void)
{
nofralloc
sync
mfspr r3, WPAR
blr
}
/*
* --INFO--
* Address: 8036F88C
* Size: 000008
*/
asm void PPCMtwpar ( register u32 newwpar )
{
nofralloc
mtspr WPAR, newwpar
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfdmaU(void)
{
nofralloc
mfspr r3, DMA_U
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
asm void PPCMfdmaL(void)
{
nofralloc
mfspr r3, DMA_L
blr
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
void PPCMtdmaU(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
void PPCMtdmaL(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: ........
* Size: 000008
*/
void PPCMfpvr(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: ........
* Size: 000028
*/
void PPCEnableSpeculation(void)
{
// UNUSED FUNCTION
}
/*
* --INFO--
* Address: 8036F894
* Size: 000028
*/
void PPCDisableSpeculation (void)
{
PPCMthid0(PPCMfhid0() | HID0_SPD);
}
/*
* --INFO--
* Address: 8036F8BC
* Size: 000008
*/
asm void PPCSetFpIEEEMode(void)
{
nofralloc
mtfsb0 4*7+1
blr
}
/*
* --INFO--
* Address: 8036F8C4
* Size: 000008
*/
asm void PPCSetFpNonIEEEMode (void)
{
nofralloc
mtfsb1 4*7+1
blr
}
/* clang-format on */

362
src/dolphin/ai.c Normal file
View file

@ -0,0 +1,362 @@
#include "dolphin/ai.h"
#include "dolphin/hw_regs.h"
#include "dolphin/os.h"
const char *__AIVersion = "<< Dolphin SDK - AI\trelease build: Sep 5 2002 05:34:25 (0x2301) >>";
static AISCallback __AIS_Callback = NULL;
static AIDCallback __AID_Callback = NULL;
static u8 *__CallbackStack;
static u8 *__OldStack;
static volatile s32 __AI_init_flag = FALSE;
static volatile s32 __AID_Active = FALSE;
static OSTime bound_32KHz;
static OSTime bound_48KHz;
static OSTime min_wait;
static OSTime max_wait;
static OSTime buffer;
void __AISHandler(s16 interrupt, OSContext *context);
void __AIDHandler(s16 interrupt, OSContext *context);
void __AICallbackStackSwitch(register AIDCallback cb);
void __AI_SRC_INIT(void);
AIDCallback AIRegisterDMACallback(AIDCallback callback)
{
s32 oldInts;
AIDCallback ret;
ret = __AID_Callback;
oldInts = OSDisableInterrupts();
__AID_Callback = callback;
OSRestoreInterrupts(oldInts);
return ret;
}
void AIInitDMA(u32 addr, u32 length)
{
s32 oldInts;
oldInts = OSDisableInterrupts();
__DSPRegs[24] = (u16)((__DSPRegs[24] & ~0x3FF) | (addr >> 16));
__DSPRegs[25] = (u16)((__DSPRegs[25] & ~0xFFE0) | (0xffff & addr));
__DSPRegs[27] = (u16)((__DSPRegs[27] & ~0x7FFF) | (u16)((length >> 5) & 0xFFFF));
OSRestoreInterrupts(oldInts);
}
void AIStartDMA()
{
__DSPRegs[27] |= 0x8000;
}
void AIStopDMA(void)
{
__DSPRegs[27] &= ~0x8000;
}
u32 AIGetDMAStartAddr(void)
{
return (u32)((__DSPRegs[24] & 0x03ff) << 16) | (__DSPRegs[25] & 0xffe0);
}
AISCallback AIRegisterStreamCallback(AISCallback callback)
{
AISCallback ret;
s32 oldInts;
ret = __AIS_Callback;
oldInts = OSDisableInterrupts();
__AIS_Callback = callback;
OSRestoreInterrupts(oldInts);
return ret;
}
void AIResetStreamSampleCount(void)
{
__AIRegs[0] = (__AIRegs[0] & ~0x20) | 0x20;
}
void AISetStreamTrigger(u32 trigger)
{
__AIRegs[3] = trigger;
}
void AISetStreamPlayState(u32 state)
{
s32 oldInts;
u8 volRight;
u8 volLeft;
if (state == AIGetStreamPlayState()) {
return;
}
if ((AIGetStreamSampleRate() == 0U) && (state == 1)) {
volRight = AIGetStreamVolRight();
volLeft = AIGetStreamVolLeft();
AISetStreamVolRight(0);
AISetStreamVolLeft(0);
oldInts = OSDisableInterrupts();
__AI_SRC_INIT();
__AIRegs[0] = (__AIRegs[0] & ~0x20) | 0x20;
__AIRegs[0] = (__AIRegs[0] & ~1) | 1;
OSRestoreInterrupts(oldInts);
AISetStreamVolLeft(volRight);
AISetStreamVolRight(volLeft);
}
else {
__AIRegs[0] = (__AIRegs[0] & ~1) | state;
}
}
u32 AIGetStreamPlayState()
{
return __AIRegs[0] & 1;
}
void AISetDSPSampleRate(u32 rate)
{
u32 state;
s32 oldInts;
u8 left;
u8 right;
u32 sampleRate;
if (rate == AIGetDSPSampleRate()) {
return;
}
__AIRegs[0] &= ~0x40;
if (rate == 0) {
left = AIGetStreamVolLeft();
right = AIGetStreamVolRight();
state = AIGetStreamPlayState();
sampleRate = AIGetStreamSampleRate();
AISetStreamVolLeft(0);
AISetStreamVolRight(0);
oldInts = OSDisableInterrupts();
__AI_SRC_INIT();
__AIRegs[0] = (__AIRegs[0] & ~0x20) | 0x20;
__AIRegs[0] = (__AIRegs[0] & ~2) | (sampleRate * 2);
__AIRegs[0] = (__AIRegs[0] & ~1) | state;
__AIRegs[0] |= 0x40;
OSRestoreInterrupts(oldInts);
AISetStreamVolLeft(left);
AISetStreamVolRight(right);
}
}
u32 AIGetDSPSampleRate()
{
return ((__AIRegs[0] >> 6) & 1) ^ 1;
}
void __AI_set_stream_sample_rate(u32 rate)
{
s32 oldInts;
s32 state;
u8 left;
u8 right;
s32 temp_r26;
if (rate == AIGetStreamSampleRate()) {
return;
}
state = AIGetStreamPlayState();
left = AIGetStreamVolLeft();
right = AIGetStreamVolRight();
AISetStreamVolRight(0);
AISetStreamVolLeft(0);
temp_r26 = __AIRegs[0] & 0x40;
__AIRegs[0] &= ~0x40;
oldInts = OSDisableInterrupts();
__AI_SRC_INIT();
__AIRegs[0] |= temp_r26;
__AIRegs[0] = (__AIRegs[0] & ~0x20) | 0x20;
__AIRegs[0] = (__AIRegs[0] & ~2) | (rate * 2);
OSRestoreInterrupts(oldInts);
AISetStreamPlayState(state);
AISetStreamVolLeft(left);
AISetStreamVolRight(right);
}
u32 AIGetStreamSampleRate()
{
return (__AIRegs[0] >> 1) & 1;
}
void AISetStreamVolLeft(u8 volume)
{
__AIRegs[1] = (__AIRegs[1] & ~0xFF) | (volume & 0xFF);
}
u8 AIGetStreamVolLeft()
{
return __AIRegs[1];
}
void AISetStreamVolRight(u8 volume)
{
__AIRegs[1] = (__AIRegs[1] & ~0xFF00) | ((volume & 0xFF) << 8);
}
u8 AIGetStreamVolRight()
{
return __AIRegs[1] >> 8;
}
void AIInit(u8 *stack)
{
if (__AI_init_flag == TRUE) {
return;
}
bound_32KHz = OSNanosecondsToTicks(31524);
bound_48KHz = OSNanosecondsToTicks(42024);
min_wait = OSNanosecondsToTicks(42000);
max_wait = OSNanosecondsToTicks(63000);
buffer = OSNanosecondsToTicks(3000);
AISetStreamVolRight(0);
AISetStreamVolLeft(0);
AISetStreamTrigger(0);
AIResetStreamSampleCount();
__AI_set_stream_sample_rate(1);
AISetDSPSampleRate(0);
__AIS_Callback = 0;
__AID_Callback = 0;
__CallbackStack = stack;
__OSSetInterruptHandler(5, __AIDHandler);
__OSUnmaskInterrupts(0x04000000);
__OSSetInterruptHandler(8, __AISHandler);
__OSUnmaskInterrupts(0x800000);
__AI_init_flag = TRUE;
}
void __AISHandler(s16 interrupt, OSContext *context)
{
OSContext tmpContext;
__AIRegs[0] |= 8;
OSClearContext(&tmpContext);
OSSetCurrentContext(&tmpContext);
if (__AIS_Callback != NULL) {
__AIS_Callback(__AIRegs[2]);
}
OSClearContext(&tmpContext);
OSSetCurrentContext(context);
}
void __AIDHandler(s16 interrupt, OSContext *context)
{
OSContext tempContext;
u16 temp = __DSPRegs[5];
__DSPRegs[5] = (temp & ~0xA0) | 8;
OSClearContext(&tempContext);
OSSetCurrentContext(&tempContext);
if (__AID_Callback) {
if (__CallbackStack) {
__AICallbackStackSwitch(__AID_Callback);
}
else {
__AID_Callback();
}
}
OSClearContext(&tempContext);
OSSetCurrentContext(context);
}
// clang-format off
asm void __AICallbackStackSwitch(register AIDCallback cb) {
// Allocate stack frame
fralloc
// Store current stack
lis r5, __OldStack@ha
addi r5, r5, __OldStack@l
stw r1, 0(r5)
// Load stack for callback
lis r5, __CallbackStack@ha
addi r5, r5, __CallbackStack@l
lwz r1,0(r5)
// Move stack down 8 bytes
subi r1, r1, 8
// Call callback
mtlr cb
blrl
// Restore old stack
lis r5, __OldStack @ha
addi r5, r5, __OldStack@l
lwz r1,0(r5)
// Free stack frame
frfree
blr
}
// clang-format on
void __AI_SRC_INIT(void)
{
OSTime rise32 = 0;
OSTime rise48 = 0;
OSTime diff = 0;
OSTime unused1 = 0;
OSTime temp = 0;
u32 temp0 = 0;
u32 temp1 = 0;
u32 done = 0;
u32 walking = 0;
u32 unused2 = 0;
u32 initCnt = 0;
walking = 0;
initCnt = 0;
temp = 0;
while (!done) {
__AIRegs[0] = (__AIRegs[0] & ~0x20) | 0x20;
__AIRegs[0] &= ~2;
__AIRegs[0] = (__AIRegs[0] & ~1) | 1;
temp0 = __AIRegs[2];
while (temp0 == __AIRegs[2])
;
rise32 = OSGetTime();
__AIRegs[0] = (__AIRegs[0] & ~2) | 2;
__AIRegs[0] = (__AIRegs[0] & ~1) | 1;
temp1 = __AIRegs[2];
while (temp1 == __AIRegs[2])
;
rise48 = OSGetTime();
diff = rise48 - rise32;
__AIRegs[0] &= ~2;
__AIRegs[0] &= ~1;
if (diff < (bound_32KHz - buffer)) {
temp = min_wait;
done = 1;
++initCnt;
}
else if (diff >= (bound_32KHz + buffer) && diff < (bound_48KHz - buffer)) {
temp = max_wait;
done = 1;
++initCnt;
}
else {
done = 0;
walking = 1;
++initCnt;
}
}
while ((rise48 + temp) > OSGetTime())
;
}

43
src/dolphin/db.c Normal file
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@ -0,0 +1,43 @@
#include <dolphin/db.h>
#include <dolphin/os.h>
DBInterface* __DBInterface = NULL;
int DBVerbose;
extern void __DBExceptionStart();
extern void __DBExceptionEnd();
extern void __DBExceptionSetNumber();
void DBInit(void) {
__DBInterface = (DBInterface*)OSPhysicalToCached(OS_DBINTERFACE_ADDR);
__DBInterface->ExceptionDestination = (void (*)())OSCachedToPhysical(__DBExceptionDestination);
DBVerbose = TRUE;
}
void __DBExceptionDestinationAux(void) {
u32* contextAddr = (void*)0x00C0;
OSContext* context = (OSContext*)OSPhysicalToCached(*contextAddr);
OSReport("DBExceptionDestination\n");
OSDumpContext(context);
PPCHalt();
}
/* clang-format off */
asm void __DBExceptionDestination(void) {
nofralloc
mfmsr r3
ori r3, r3, 0x10|0x20
mtmsr r3
b __DBExceptionDestinationAux
}
/* clang-format on */
BOOL __DBIsExceptionMarked(__OSException exception) {
u32 mask = 1 << exception;
return (BOOL)(__DBInterface->exceptionMask & mask);
}
void DBPrintf(char* format, ...) {}

943
src/dolphin/vi.c Normal file
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#include "dolphin/vi.h"
#include "dolphin/OSRtcPriv.h"
#include "dolphin/hw_regs.h"
#include "dolphin/os.h"
// Useful macros.
#define CLAMP(x, l, h) (((x) > (h)) ? (h) : (((x) < (l)) ? (l) : (x)))
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#define IS_LOWER_16MB(x) ((x) < 16 * 1024 * 1024)
#define ToPhysical(fb) (u32)(((u32)(fb)) & 0x3FFFFFFF)
#define ONES(x) ((1 << (x)) - 1)
#define VI_BITMASK(index) (1ull << (63 - (index)))
static BOOL IsInitialized;
static vu32 retraceCount;
static u32 flushFlag;
static OSThreadQueue retraceQueue;
static VIRetraceCallback PreCB;
static VIRetraceCallback PostCB;
static u32 encoderType;
static s16 displayOffsetH;
static s16 displayOffsetV;
static vu32 changeMode;
static vu64 changed;
static vu32 shdwChangeMode;
static vu64 shdwChanged;
static VITimingInfo *CurrTiming;
static u32 CurrTvMode;
static u32 NextBufAddr;
static u32 CurrBufAddr;
static u32 FBSet;
static vu16 regs[60];
static vu16 shdwRegs[60];
static VIPositionInfo HorVer;
// clang-format off
static VITimingInfo timing[8] = {
{ // NTSC INT
6, 240, 24, 25, 3, 2, 12, 13, 12, 13, 520, 519, 520, 519, 525, 429, 64, 71, 105, 162, 373, 122, 412,
},
{ // NTSC DS
6, 240, 24, 24, 4, 4, 12, 12, 12, 12, 520, 520, 520, 520, 526, 429, 64, 71, 105, 162, 373, 122, 412,
},
{ // PAL INT
5, 287, 35, 36, 1, 0, 13, 12, 11, 10, 619, 618, 617, 620, 625, 432, 64, 75, 106, 172, 380, 133, 420,
},
{ // PAL DS
5, 287, 33, 33, 2, 2, 13, 11, 13, 11, 619, 621, 619, 621, 624, 432, 64, 75, 106, 172, 380, 133, 420,
},
{ // MPAL INT
6, 240, 24, 25, 3, 2, 16, 15, 14, 13, 518, 517, 516, 519, 525, 429, 64, 78, 112, 162, 373, 122, 412,
},
{ // MPAL DS
6, 240, 24, 24, 4, 4, 16, 14, 16, 14, 518, 520, 518, 520, 526, 429, 64, 78, 112, 162, 373, 122, 412,
},
{ // NTSC PRO
12, 480, 48, 48, 6, 6, 24, 24, 24, 24, 1038, 1038, 1038, 1038, 1050, 429, 64, 71, 105, 162, 373, 122, 412,
},
{ // NTSC 3D
12, 480, 44, 44, 10, 10, 24, 24, 24, 24, 1038, 1038, 1038, 1038, 1050, 429, 64, 71, 105, 168, 379, 122, 412,
},
};
// clang-format on
static u16 taps[25] = { 496, 476, 430, 372, 297, 219, 142, 70, 12, 226, 203, 192, 196, 207, 222, 236, 252, 8, 15, 19, 19, 15, 12, 8, 1 };
// forward declaring statics
static u32 getCurrentFieldEvenOdd();
static void getEncoderType(void)
{
// UNUSED FUNCTION
}
static int cntlzd(u64 bit)
{
u32 hi, lo;
int value;
hi = (u32)(bit >> 32);
lo = (u32)(bit & 0xFFFFFFFF);
value = __cntlzw(hi);
if (value < 32) {
return value;
}
return (32 + __cntlzw(lo));
}
static BOOL VISetRegs(void)
{
int regIndex;
if (!((shdwChangeMode == 1) && (getCurrentFieldEvenOdd() == 0))) {
while (shdwChanged) {
regIndex = cntlzd(shdwChanged);
__VIRegs[regIndex] = shdwRegs[regIndex];
shdwChanged &= ~(VI_BITMASK(regIndex));
}
shdwChangeMode = 0;
CurrTiming = HorVer.timing;
CurrTvMode = HorVer.tv;
return TRUE;
}
return FALSE;
}
static void __VIRetraceHandler(__OSInterrupt interrupt, OSContext *context)
{
OSContext exceptionContext;
u16 viReg;
u32 inter = 0;
viReg = __VIRegs[VI_DISP_INT_0];
if (viReg & 0x8000) {
__VIRegs[VI_DISP_INT_0] = (u16)(viReg & ~0x8000);
inter |= 1;
}
viReg = __VIRegs[VI_DISP_INT_1];
if (viReg & 0x8000) {
__VIRegs[VI_DISP_INT_1] = (u16)(viReg & ~0x8000);
inter |= 2;
}
viReg = __VIRegs[VI_DISP_INT_2];
if (viReg & 0x8000) {
__VIRegs[VI_DISP_INT_2] = (u16)(viReg & ~0x8000);
inter |= 4;
}
viReg = __VIRegs[VI_DISP_INT_3];
if (viReg & 0x8000) {
__VIRegs[VI_DISP_INT_3] = (u16)(viReg & ~0x8000);
inter |= 8;
}
if ((inter & 4) || (inter & 8)) {
OSSetCurrentContext(context);
return;
}
retraceCount++;
OSClearContext(&exceptionContext);
OSSetCurrentContext(&exceptionContext);
if (PreCB) {
(*PreCB)(retraceCount);
}
if (flushFlag) {
if (VISetRegs()) {
flushFlag = 0;
SIRefreshSamplingRate();
}
}
if (PostCB) {
OSClearContext(&exceptionContext);
(*PostCB)(retraceCount);
}
OSWakeupThread(&retraceQueue);
OSClearContext(&exceptionContext);
OSSetCurrentContext(context);
}
VIRetraceCallback VISetPreRetraceCallback(VIRetraceCallback callback)
{
int interrupt;
VIRetraceCallback oldCallback;
oldCallback = PreCB;
interrupt = OSDisableInterrupts();
PreCB = callback;
OSRestoreInterrupts(interrupt);
return oldCallback;
}
VIRetraceCallback VISetPostRetraceCallback(VIRetraceCallback callback)
{
int interrupt;
VIRetraceCallback oldCallback;
oldCallback = PostCB;
interrupt = OSDisableInterrupts();
PostCB = callback;
OSRestoreInterrupts(interrupt);
return oldCallback;
}
#pragma dont_inline on
static VITimingInfo *getTiming(VITVMode mode)
{
switch (mode) {
case VI_TVMODE_NTSC_INT:
return &timing[0];
case VI_TVMODE_NTSC_DS:
return &timing[1];
case VI_TVMODE_PAL_INT:
return &timing[2];
case VI_TVMODE_PAL_DS:
return &timing[3];
case VI_TVMODE_EURGB60_INT:
return &timing[0];
case VI_TVMODE_EURGB60_DS:
return &timing[1];
case VI_TVMODE_MPAL_INT:
return &timing[4];
case VI_TVMODE_MPAL_DS:
return &timing[5];
case VI_TVMODE_NTSC_PROG:
return &timing[6];
case VI_TVMODE_NTSC_3D:
return &timing[7];
case VI_TVMODE_DEBUG_PAL_INT:
return &timing[2];
case VI_TVMODE_DEBUG_PAL_DS:
return &timing[3];
}
return nullptr;
}
#pragma dont_inline off
void __VIInit(VITVMode mode)
{
VITimingInfo *tm;
u32 nonInter;
vu32 a;
u32 tv, tvForReg;
u16 hct, vct;
nonInter = mode & 2;
tv = (u32)mode >> 2;
*(u32 *)OSPhysicalToCached(0xCC) = tv;
tm = getTiming(mode);
__VIRegs[VI_DISP_CONFIG] = 2;
for (a = 0; a < 1000; a++) {
;
}
__VIRegs[VI_DISP_CONFIG] = 0;
__VIRegs[VI_HORIZ_TIMING_0U] = tm->hlw << 0;
__VIRegs[VI_HORIZ_TIMING_0L] = (tm->hce << 0) | (tm->hcs << 8);
__VIRegs[VI_HORIZ_TIMING_1U] = (tm->hsy << 0) | ((tm->hbe640 & ((1 << 9) - 1)) << 7);
__VIRegs[VI_HORIZ_TIMING_1L] = ((tm->hbe640 >> 9) << 0) | (tm->hbs640 << 1);
__VIRegs[VI_VERT_TIMING] = (tm->equ << 0) | (0 << 4);
__VIRegs[VI_VERT_TIMING_ODD_U] = (tm->prbOdd + tm->acv * 2 - 2) << 0;
__VIRegs[VI_VERT_TIMING_ODD] = tm->psbOdd + 2 << 0;
__VIRegs[VI_VERT_TIMING_EVEN_U] = (tm->prbEven + tm->acv * 2 - 2) << 0;
__VIRegs[VI_VERT_TIMING_EVEN] = tm->psbEven + 2 << 0;
__VIRegs[VI_BBI_ODD_U] = (tm->bs1 << 0) | (tm->be1 << 5);
__VIRegs[VI_BBI_ODD] = (tm->bs3 << 0) | (tm->be3 << 5);
__VIRegs[VI_BBI_EVEN_U] = (tm->bs2 << 0) | (tm->be2 << 5);
__VIRegs[VI_BBI_EVEN] = (tm->bs4 << 0) | (tm->be4 << 5);
__VIRegs[VI_HSW] = (40 << 0) | (40 << 8);
__VIRegs[VI_DISP_INT_1U] = 1;
__VIRegs[VI_DISP_INT_1] = (1 << 0) | (1 << 12) | (0 << 15);
hct = (tm->hlw + 1);
vct = (tm->numHalfLines / 2 + 1) | (1 << 12) | (0 << 15);
__VIRegs[VI_DISP_INT_0U] = hct << 0;
__VIRegs[VI_DISP_INT_0] = vct;
if (mode != VI_TVMODE_NTSC_PROG && mode != VI_TVMODE_NTSC_3D) {
__VIRegs[VI_DISP_CONFIG] = (1 << 0) | (0 << 1) | (nonInter << 2) | (0 << 3) | (0 << 4) | (0 << 6) | (tv << 8);
__VIRegs[VI_CLOCK_SEL] = 0;
}
else {
__VIRegs[VI_DISP_CONFIG] = (1 << 0) | (0 << 1) | (1 << 2) | (0 << 3) | (0 << 4) | (0 << 6) | (tv << 8);
__VIRegs[VI_CLOCK_SEL] = 1;
}
}
static void AdjustPosition(u16 acv)
{
s32 coeff, frac;
HorVer.adjDispPosX = (u16)CLAMP((s16)HorVer.dispPosX + displayOffsetH, 0, 720 - HorVer.dispSizeX);
coeff = (HorVer.xfbMode == VI_XFBMODE_SF) ? 2 : 1;
frac = HorVer.dispPosY & 1;
HorVer.adjDispPosY = (u16)MAX((s16)HorVer.dispPosY + displayOffsetV, frac);
HorVer.adjDispSizeY = (u16)(HorVer.dispSizeY + MIN((s16)HorVer.dispPosY + displayOffsetV - frac, 0)
- MAX((s16)HorVer.dispPosY + (s16)HorVer.dispSizeY + displayOffsetV - ((s16)acv * 2 - frac), 0));
HorVer.adjPanPosY = (u16)(HorVer.panPosY - MIN((s16)HorVer.dispPosY + displayOffsetV - frac, 0) / coeff);
HorVer.adjPanSizeY = (u16)(HorVer.panSizeY + MIN((s16)HorVer.dispPosY + displayOffsetV - frac, 0) / coeff
- MAX((s16)HorVer.dispPosY + (s16)HorVer.dispSizeY + displayOffsetV - ((s16)acv * 2 - frac), 0) / coeff);
}
static void ImportAdjustingValues(void)
{
displayOffsetH = __OSLockSram()->displayOffsetH;
displayOffsetV = 0;
__OSUnlockSram(FALSE);
}
void VIInit(void)
{
u16 dspCfg;
u32 value, tv;
encoderType = 1;
if (!(__VIRegs[VI_DISP_CONFIG] & 1)) {
__VIInit(VI_TVMODE_NTSC_INT);
}
retraceCount = 0;
changed = 0;
shdwChanged = 0;
changeMode = 0;
shdwChangeMode = 0;
flushFlag = 0;
__VIRegs[VI_FCT_0U] = ((((taps[0])) << 0) | (((taps[1] & ((1 << (6)) - 1))) << 10));
__VIRegs[VI_FCT_0] = ((((taps[1] >> 6)) << 0) | (((taps[2])) << 4));
__VIRegs[VI_FCT_1U] = ((((taps[3])) << 0) | (((taps[4] & ((1 << (6)) - 1))) << 10));
__VIRegs[VI_FCT_1] = ((((taps[4] >> 6)) << 0) | (((taps[5])) << 4));
__VIRegs[VI_FCT_2U] = ((((taps[6])) << 0) | (((taps[7] & ((1 << (6)) - 1))) << 10));
__VIRegs[VI_FCT_2] = ((((taps[7] >> 6)) << 0) | (((taps[8])) << 4));
__VIRegs[VI_FCT_3U] = ((((taps[9])) << 0) | (((taps[10])) << 8));
__VIRegs[VI_FCT_3] = ((((taps[11])) << 0) | (((taps[12])) << 8));
__VIRegs[VI_FCT_4U] = ((((taps[13])) << 0) | (((taps[14])) << 8));
__VIRegs[VI_FCT_4] = ((((taps[15])) << 0) | (((taps[16])) << 8));
__VIRegs[VI_FCT_5U] = ((((taps[17])) << 0) | (((taps[18])) << 8));
__VIRegs[VI_FCT_5] = ((((taps[19])) << 0) | (((taps[20])) << 8));
__VIRegs[VI_FCT_6U] = ((((taps[21])) << 0) | (((taps[22])) << 8));
__VIRegs[VI_FCT_6] = ((((taps[23])) << 0) | (((taps[24])) << 8));
__VIRegs[VI_WIDTH] = 640;
ImportAdjustingValues();
dspCfg = __VIRegs[VI_DISP_CONFIG];
HorVer.nonInter = ((((u32)(dspCfg)) >> 2 & 0x00000001));
HorVer.tv = ((((u32)(dspCfg)) & 0x00000300) >> 8);
tv = (HorVer.tv == VI_DEBUG) ? VI_NTSC : HorVer.tv;
HorVer.timing = getTiming((VITVMode)VI_TVMODE(tv, HorVer.nonInter));
regs[VI_DISP_CONFIG] = dspCfg;
CurrTiming = HorVer.timing;
CurrTvMode = HorVer.tv;
HorVer.dispSizeX = 640;
HorVer.dispSizeY = (u16)(CurrTiming->acv * 2);
HorVer.dispPosX = (u16)((720 - HorVer.dispSizeX) / 2);
HorVer.dispPosY = 0;
AdjustPosition(CurrTiming->acv);
HorVer.fbSizeX = 640;
HorVer.fbSizeY = (u16)(CurrTiming->acv * 2);
HorVer.panPosX = 0;
HorVer.panPosY = 0;
HorVer.panSizeX = 640;
HorVer.panSizeY = (u16)(CurrTiming->acv * 2);
HorVer.xfbMode = VI_XFBMODE_SF;
HorVer.wordPerLine = 40;
HorVer.std = 40;
HorVer.wpl = 40;
HorVer.xof = 0;
HorVer.isBlack = TRUE;
HorVer.is3D = FALSE;
OSInitThreadQueue(&retraceQueue);
value = __VIRegs[VI_DISP_INT_0];
value = (((u32)(value)) & ~0x00008000) | (((0)) << 15);
__VIRegs[VI_DISP_INT_0] = value;
value = __VIRegs[VI_DISP_INT_1];
value = (((u32)(value)) & ~0x00008000) | (((0)) << 15);
__VIRegs[VI_DISP_INT_1] = value;
PreCB = nullptr;
PostCB = nullptr;
__OSSetInterruptHandler(24, __VIRetraceHandler);
__OSUnmaskInterrupts((0x80000000u >> (24)));
}
void VIWaitForRetrace(void)
{
int interrupt;
u32 startCount;
interrupt = OSDisableInterrupts();
startCount = retraceCount;
do {
OSSleepThread(&retraceQueue);
} while (startCount == retraceCount);
OSRestoreInterrupts(interrupt);
}
static void setInterruptRegs(VITimingInfo *tm)
{
u16 vct, hct, borrow;
vct = (u16)(tm->numHalfLines / 2);
borrow = (u16)(tm->numHalfLines % 2);
hct = (u16)((borrow) ? tm->hlw : (u16)0);
vct++;
hct++;
regs[VI_DISP_INT_0U] = (u16)hct;
changed |= VI_BITMASK(VI_DISP_INT_0U);
regs[VI_DISP_INT_0] = (u16)((((u32)(vct))) | (((u32)(1)) << 12) | (((u32)(0)) << 15));
changed |= VI_BITMASK(VI_DISP_INT_0);
}
static void setPicConfig(u16 fbSizeX, VIXFBMode xfbMode, u16 panPosX, u16 panSizeX, u8 *wordPerLine, u8 *std, u8 *wpl, u8 *xof)
{
*wordPerLine = (u8)((fbSizeX + 15) / 16);
*std = (u8)((xfbMode == VI_XFBMODE_SF) ? *wordPerLine : (u8)(2 * *wordPerLine));
*xof = (u8)(panPosX % 16);
*wpl = (u8)((*xof + panSizeX + 15) / 16);
regs[VI_HSW] = (u16)((((u32)(*std))) | (((u32)(*wpl)) << 8));
changed |= VI_BITMASK(VI_HSW);
}
static void setBBIntervalRegs(VITimingInfo *tm)
{
u16 val;
val = (u16)((((u32)(tm->bs1))) | (((u32)(tm->be1)) << 5));
regs[VI_BBI_ODD_U] = val;
changed |= VI_BITMASK(VI_BBI_ODD_U);
val = (u16)((((u32)(tm->bs3))) | (((u32)(tm->be3)) << 5));
regs[VI_BBI_ODD] = val;
changed |= VI_BITMASK(VI_BBI_ODD);
val = (u16)((((u32)(tm->bs2))) | (((u32)(tm->be2)) << 5));
regs[VI_BBI_EVEN_U] = val;
changed |= VI_BITMASK(VI_BBI_EVEN_U);
val = (u16)((((u32)(tm->bs4))) | (((u32)(tm->be4)) << 5));
regs[VI_BBI_EVEN] = val;
changed |= VI_BITMASK(VI_BBI_EVEN);
}
static void setScalingRegs(u16 panSizeX, u16 dispSizeX, BOOL is3D)
{
u32 scale;
panSizeX = (u16)(is3D ? panSizeX * 2 : panSizeX);
if (panSizeX < dispSizeX) {
scale = (256 * (u32)panSizeX + (u32)dispSizeX - 1) / (u32)dispSizeX;
regs[VI_HSR] = (u16)((((u32)(scale))) | (((u32)(1)) << 12));
changed |= VI_BITMASK(VI_HSR);
regs[VI_WIDTH] = (u16)((((u32)(panSizeX))));
changed |= VI_BITMASK(VI_WIDTH);
}
else {
regs[VI_HSR] = (u16)((((u32)(256))) | (((u32)(0)) << 12));
changed |= VI_BITMASK(VI_HSR);
}
}
static void calcFbbs(u32 bufAddr, u16 panPosX, u16 panPosY, u8 wordPerLine, VIXFBMode xfbMode, u16 dispPosY, u32 *tfbb, u32 *bfbb)
{
u32 bytesPerLine, xoffInWords;
xoffInWords = (u32)panPosX / 16;
bytesPerLine = (u32)wordPerLine * 32;
*tfbb = bufAddr + xoffInWords * 32 + bytesPerLine * panPosY;
*bfbb = (xfbMode == VI_XFBMODE_SF) ? *tfbb : (*tfbb + bytesPerLine);
if (dispPosY % 2 == 1) {
u32 tmp = *tfbb;
*tfbb = *bfbb;
*bfbb = tmp;
}
*tfbb = ToPhysical(*tfbb);
*bfbb = ToPhysical(*bfbb);
}
static void setFbbRegs(VIPositionInfo *hv, u32 *tfbb, u32 *bfbb, u32 *rtfbb, u32 *rbfbb)
{
u32 shifted;
calcFbbs(hv->bufAddr, hv->panPosX, hv->adjPanPosY, hv->wordPerLine, hv->xfbMode, hv->adjDispPosY, tfbb, bfbb);
if (hv->is3D) {
calcFbbs(hv->rbufAddr, hv->panPosX, hv->adjPanPosY, hv->wordPerLine, hv->xfbMode, hv->adjDispPosY, rtfbb, rbfbb);
}
if (IS_LOWER_16MB(*tfbb) && IS_LOWER_16MB(*bfbb) && IS_LOWER_16MB(*rtfbb) && IS_LOWER_16MB(*rbfbb)) {
shifted = 0;
}
else {
shifted = 1;
}
if (shifted) {
*tfbb >>= 5;
*bfbb >>= 5;
*rtfbb >>= 5;
*rbfbb >>= 5;
}
regs[VI_TOP_FIELD_BASE_LEFT_U] = (u16)(*tfbb & 0xFFFF);
changed |= VI_BITMASK(VI_TOP_FIELD_BASE_LEFT_U);
regs[VI_TOP_FIELD_BASE_LEFT] = (u16)((((*tfbb >> 16))) | hv->xof << 8 | shifted << 12);
changed |= VI_BITMASK(VI_TOP_FIELD_BASE_LEFT);
regs[VI_BTTM_FIELD_BASE_LEFT_U] = (u16)(*bfbb & 0xFFFF);
changed |= VI_BITMASK(VI_BTTM_FIELD_BASE_LEFT_U);
regs[VI_BTTM_FIELD_BASE_LEFT] = (u16)(*bfbb >> 16);
changed |= VI_BITMASK(VI_BTTM_FIELD_BASE_LEFT);
if (hv->is3D) {
regs[VI_TOP_FIELD_BASE_RIGHT_U] = *rtfbb & 0xffff;
changed |= VI_BITMASK(VI_TOP_FIELD_BASE_RIGHT_U);
regs[VI_TOP_FIELD_BASE_RIGHT] = *rtfbb >> 16;
changed |= VI_BITMASK(VI_TOP_FIELD_BASE_RIGHT);
regs[VI_BTTM_FIELD_BASE_RIGHT_U] = *rbfbb & 0xFFFF;
changed |= VI_BITMASK(VI_BTTM_FIELD_BASE_RIGHT_U);
regs[VI_BTTM_FIELD_BASE_RIGHT] = *rbfbb >> 16;
changed |= VI_BITMASK(VI_BTTM_FIELD_BASE_RIGHT);
}
}
static void setHorizontalRegs(VITimingInfo *tm, u16 dispPosX, u16 dispSizeX)
{
u32 hbe, hbs, hbeLo, hbeHi;
regs[VI_HORIZ_TIMING_0U] = (u16)tm->hlw;
changed |= VI_BITMASK(VI_HORIZ_TIMING_0U);
regs[VI_HORIZ_TIMING_0L] = (u16)(tm->hce | tm->hcs << 8);
changed |= VI_BITMASK(VI_HORIZ_TIMING_0L);
hbe = (u32)(tm->hbe640 - 40 + dispPosX);
hbs = (u32)(tm->hbs640 + 40 + dispPosX - (720 - dispSizeX));
hbeLo = hbe & ONES(9);
hbeHi = hbe >> 9;
regs[VI_HORIZ_TIMING_1U] = (u16)(tm->hsy | hbeLo << 7);
changed |= VI_BITMASK(VI_HORIZ_TIMING_1U);
regs[VI_HORIZ_TIMING_1L] = (u16)(hbeHi | hbs << 1);
changed |= VI_BITMASK(VI_HORIZ_TIMING_1L);
}
static void setVerticalRegs(u16 dispPosY, u16 dispSizeY, u8 equ, u16 acv, u16 prbOdd, u16 prbEven, u16 psbOdd, u16 psbEven, BOOL black)
{
u16 actualPrbOdd, actualPrbEven, actualPsbOdd, actualPsbEven, actualAcv, c, d;
if (equ >= 10) {
c = 1;
d = 2;
}
else {
c = 2;
d = 1;
}
if (dispPosY % 2 == 0) {
actualPrbOdd = (u16)(prbOdd + d * dispPosY);
actualPsbOdd = (u16)(psbOdd + d * ((c * acv - dispSizeY) - dispPosY));
actualPrbEven = (u16)(prbEven + d * dispPosY);
actualPsbEven = (u16)(psbEven + d * ((c * acv - dispSizeY) - dispPosY));
}
else {
actualPrbOdd = (u16)(prbEven + d * dispPosY);
actualPsbOdd = (u16)(psbEven + d * ((c * acv - dispSizeY) - dispPosY));
actualPrbEven = (u16)(prbOdd + d * dispPosY);
actualPsbEven = (u16)(psbOdd + d * ((c * acv - dispSizeY) - dispPosY));
}
actualAcv = (u16)(dispSizeY / c);
if (black) {
actualPrbOdd += 2 * actualAcv - 2;
actualPsbOdd += 2;
actualPrbEven += 2 * actualAcv - 2;
actualPsbEven += 2;
actualAcv = 0;
}
regs[VI_VERT_TIMING] = (u16)(equ | actualAcv << 4);
changed |= VI_BITMASK(VI_VERT_TIMING);
regs[VI_VERT_TIMING_ODD_U] = (u16)actualPrbOdd << 0;
changed |= VI_BITMASK(VI_VERT_TIMING_ODD_U);
regs[VI_VERT_TIMING_ODD] = (u16)actualPsbOdd << 0;
changed |= VI_BITMASK(VI_VERT_TIMING_ODD);
regs[VI_VERT_TIMING_EVEN_U] = (u16)actualPrbEven << 0;
changed |= VI_BITMASK(VI_VERT_TIMING_EVEN_U);
regs[VI_VERT_TIMING_EVEN] = (u16)actualPsbEven << 0;
changed |= VI_BITMASK(VI_VERT_TIMING_EVEN);
}
static void PrintDebugPalCaution(void)
{
static u32 message = 0;
if (message == 0) {
message = 1;
OSReport("***************************************\n");
OSReport(" ! ! ! C A U T I O N ! ! ! \n");
OSReport("This TV format \"DEBUG_PAL\" is only for \n");
OSReport("temporary solution until PAL DAC board \n");
OSReport("is available. Please do NOT use this \n");
OSReport("mode in real games!!! \n");
OSReport("***************************************\n");
}
}
void VIConfigure(const GXRenderModeObj *obj)
{
VITimingInfo *tm;
u32 regDspCfg;
BOOL enabled;
u32 newNonInter, tvInBootrom, tvInGame;
enabled = OSDisableInterrupts();
newNonInter = (u32)obj->viTVmode & 3;
if (HorVer.nonInter != newNonInter) {
changeMode = 1;
HorVer.nonInter = newNonInter;
}
tvInGame = (u32)obj->viTVmode >> 2;
tvInBootrom = *(u32 *)OSPhysicalToCached(0xCC);
if (tvInGame == VI_DEBUG_PAL) {
PrintDebugPalCaution();
}
if ((tvInGame == VI_NTSC) || (tvInGame == VI_MPAL)) {
HorVer.tv = tvInBootrom;
}
else {
HorVer.tv = tvInGame;
}
HorVer.dispPosX = obj->viXOrigin;
HorVer.dispPosY = (u16)((HorVer.nonInter == VI_NON_INTERLACE) ? (u16)(obj->viYOrigin * 2) : obj->viYOrigin);
HorVer.dispSizeX = obj->viWidth;
HorVer.fbSizeX = obj->fbWidth;
HorVer.fbSizeY = obj->xfbHeight;
HorVer.xfbMode = obj->xFBmode;
HorVer.panSizeX = HorVer.fbSizeX;
HorVer.panSizeY = HorVer.fbSizeY;
HorVer.panPosX = 0;
HorVer.panPosY = 0;
HorVer.dispSizeY = (u16)((HorVer.nonInter == VI_PROGRESSIVE) ? HorVer.panSizeY
: (HorVer.nonInter == VI_3D) ? HorVer.panSizeY
: (HorVer.xfbMode == VI_XFBMODE_SF) ? (u16)(2 * HorVer.panSizeY)
: HorVer.panSizeY);
HorVer.is3D = (HorVer.nonInter == VI_3D) ? TRUE : FALSE;
tm = getTiming((VITVMode)VI_TVMODE(HorVer.tv, HorVer.nonInter));
HorVer.timing = tm;
AdjustPosition(tm->acv);
if (encoderType == 0) {
HorVer.tv = VI_DEBUG;
}
setInterruptRegs(tm);
regDspCfg = regs[VI_DISP_CONFIG];
if ((HorVer.nonInter == VI_PROGRESSIVE) || (HorVer.nonInter == VI_3D)) {
regDspCfg = (((u32)(regDspCfg)) & ~0x00000004) | (((u32)(1)) << 2);
}
else {
regDspCfg = (((u32)(regDspCfg)) & ~0x00000004) | (((u32)(HorVer.nonInter & 1)) << 2);
}
regDspCfg = (((u32)(regDspCfg)) & ~0x00000008) | (((u32)(HorVer.is3D)) << 3);
if ((HorVer.tv == VI_DEBUG_PAL) || (HorVer.tv == VI_EURGB60)) {
regDspCfg = (((u32)(regDspCfg)) & ~0x00000300) | (((u32)(0)) << 8);
}
else {
regDspCfg = (((u32)(regDspCfg)) & ~0x00000300) | (((u32)(HorVer.tv)) << 8);
}
regs[VI_DISP_CONFIG] = (u16)regDspCfg;
changed |= VI_BITMASK(0x01);
regDspCfg = regs[VI_CLOCK_SEL];
if (obj->viTVmode == VI_TVMODE_NTSC_PROG || obj->viTVmode == VI_TVMODE_NTSC_3D) {
regDspCfg = (u32)(regDspCfg & ~0x1) | 1;
}
else {
regDspCfg = (u32)(regDspCfg & ~0x1);
}
regs[VI_CLOCK_SEL] = (u16)regDspCfg;
changed |= 0x200;
setScalingRegs(HorVer.panSizeX, HorVer.dispSizeX, HorVer.is3D);
setHorizontalRegs(tm, HorVer.adjDispPosX, HorVer.dispSizeX);
setBBIntervalRegs(tm);
setPicConfig(HorVer.fbSizeX, HorVer.xfbMode, HorVer.panPosX, HorVer.panSizeX, &HorVer.wordPerLine, &HorVer.std, &HorVer.wpl, &HorVer.xof);
if (FBSet) {
setFbbRegs(&HorVer, &HorVer.tfbb, &HorVer.bfbb, &HorVer.rtfbb, &HorVer.rbfbb);
}
setVerticalRegs(HorVer.adjDispPosY, HorVer.adjDispSizeY, tm->equ, tm->acv, tm->prbOdd, tm->prbEven, tm->psbOdd, tm->psbEven, HorVer.isBlack);
OSRestoreInterrupts(enabled);
}
void VIConfigurePan(u16 xOrg, u16 yOrg, u16 width, u16 height)
{
BOOL enabled;
VITimingInfo *tm;
enabled = OSDisableInterrupts();
HorVer.panPosX = xOrg;
HorVer.panPosY = yOrg;
HorVer.panSizeX = width;
HorVer.panSizeY = height;
HorVer.dispSizeY = (HorVer.nonInter == 2) ? HorVer.panSizeY
: (HorVer.nonInter == 3) ? HorVer.panSizeY
: (HorVer.xfbMode == VI_XFBMODE_SF) ? (u16)(HorVer.panSizeY * 2)
: HorVer.panSizeY;
tm = HorVer.timing;
AdjustPosition(tm->acv);
setScalingRegs(HorVer.panSizeX, HorVer.dispSizeX, HorVer.is3D);
setPicConfig(HorVer.fbSizeX, HorVer.xfbMode, HorVer.panPosX, HorVer.panSizeX, &HorVer.wordPerLine, &HorVer.std, &HorVer.wpl, &HorVer.xof);
if (FBSet != 0) {
setFbbRegs(&HorVer, &HorVer.tfbb, &HorVer.bfbb, &HorVer.rtfbb, &HorVer.rbfbb);
}
setVerticalRegs(HorVer.adjDispPosY, HorVer.dispSizeY, tm->equ, tm->acv, tm->prbOdd, tm->prbEven, tm->psbOdd, tm->psbEven, HorVer.isBlack);
OSRestoreInterrupts(enabled);
}
void VIFlush(void)
{
BOOL enabled;
s32 regIndex;
u32 val; // for stack.
enabled = OSDisableInterrupts();
shdwChangeMode |= changeMode;
changeMode = 0;
shdwChanged |= changed;
while (changed) {
regIndex = cntlzd(changed);
shdwRegs[regIndex] = regs[regIndex];
changed &= ~VI_BITMASK(regIndex);
}
flushFlag = 1;
OSRestoreInterrupts(enabled);
}
void VISetNextFrameBuffer(void *fb)
{
BOOL enabled = OSDisableInterrupts();
HorVer.bufAddr = (u32)fb;
FBSet = 1;
setFbbRegs(&HorVer, &HorVer.tfbb, &HorVer.bfbb, &HorVer.rtfbb, &HorVer.rbfbb);
OSRestoreInterrupts(enabled);
}
void *VIGetNextFrameBuffer()
{
// UNUSED FUNCTION
}
void *VIGetCurrentFrameBuffer(void)
{
return (void *)CurrBufAddr;
}
void VISetNextRightFrameBuffer(void *fb)
{
// UNUSED FUNCTION
}
void VISetBlack(BOOL isBlack)
{
int interrupt;
VITimingInfo *tm;
interrupt = OSDisableInterrupts();
HorVer.isBlack = isBlack;
tm = HorVer.timing;
setVerticalRegs(HorVer.adjDispPosY, HorVer.dispSizeY, tm->equ, tm->acv, tm->prbOdd, tm->prbEven, tm->psbOdd, tm->psbEven, HorVer.isBlack);
OSRestoreInterrupts(interrupt);
}
void VISet3D(void)
{
// UNUSED FUNCTION
}
u32 VIGetRetraceCount(void)
{
return retraceCount;
}
static u32 getCurrentHalfLine(void)
{
u32 hcount;
u32 vcount0;
u32 vcount;
vcount = __VIRegs[22] & 0x7FF;
do {
vcount0 = vcount;
hcount = __VIRegs[23] & 0x7FF;
vcount = __VIRegs[22] & 0x7FF;
} while (vcount0 != vcount);
return ((vcount - 1) * 2) + ((hcount - 1) / CurrTiming->hlw);
}
static u32 getCurrentFieldEvenOdd()
{
return (getCurrentHalfLine() < CurrTiming->numHalfLines) ? 1 : 0;
}
u32 VIGetNextField(void)
{
u32 nextField;
int interrupt;
interrupt = OSDisableInterrupts();
nextField = getCurrentFieldEvenOdd() ^ 1;
OSRestoreInterrupts(interrupt);
return nextField ^ (HorVer.adjDispPosY & 1);
}
u32 VIGetCurrentLine(void)
{
u32 line;
VITimingInfo *tm;
int interrupt;
tm = CurrTiming;
interrupt = OSDisableInterrupts();
line = getCurrentHalfLine();
OSRestoreInterrupts(interrupt);
if (line >= tm->numHalfLines) {
line -= tm->numHalfLines;
}
return (line >> 1);
}
u32 VIGetTvFormat(void)
{
u32 fmt;
int interrupt;
interrupt = OSDisableInterrupts();
switch (CurrTvMode) {
case VI_NTSC:
case VI_DEBUG:
fmt = VI_NTSC;
break;
case VI_PAL:
case VI_DEBUG_PAL:
fmt = VI_PAL;
break;
case VI_EURGB60:
case VI_MPAL:
fmt = CurrTvMode;
break;
}
OSRestoreInterrupts(interrupt);
return fmt;
}
u32 VIGetDTVStatus(void)
{
u32 stat;
int interrupt;
interrupt = OSDisableInterrupts();
stat = (__VIRegs[VI_DTV_STAT] & 3);
OSRestoreInterrupts(interrupt);
return (stat & 1);
}