diff options
Diffstat (limited to 'PcsxSrc/R3000A.h')
-rw-r--r-- | PcsxSrc/R3000A.h | 372 |
1 files changed, 186 insertions, 186 deletions
diff --git a/PcsxSrc/R3000A.h b/PcsxSrc/R3000A.h index 67c4cc6..bd5f689 100644 --- a/PcsxSrc/R3000A.h +++ b/PcsxSrc/R3000A.h @@ -1,186 +1,186 @@ -/* Pcsx - Pc Psx Emulator
- * Copyright (C) 1999-2002 Pcsx Team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef __R3000A_H__
-#define __R3000A_H__
-
-#include <stdio.h>
-
-#include "PsxCommon.h"
-
-typedef struct {
- int (*Init)();
- void (*Reset)();
- void (*Execute)(); /* executes up to a break */
- void (*ExecuteBlock)(); /* executes up to a jump */
- void (*Clear)(u32 Addr, u32 Size);
- void (*Shutdown)();
-} R3000Acpu;
-
-R3000Acpu *psxCpu;
-extern R3000Acpu psxInt;
-#ifdef __i386__
-extern R3000Acpu psxRec;
-#endif
-
-typedef union {
- struct {
- unsigned long r0, at, v0, v1, a0, a1, a2, a3,
- t0, t1, t2, t3, t4, t5, t6, t7,
- s0, s1, s2, s3, s4, s5, s6, s7,
- t8, t9, k0, k1, gp, sp, s8, ra, lo, hi;
- } n;
- unsigned long r[34]; /* Lo, Hi in r[33] and r[34] */
-} psxGPRRegs;
-
-typedef union {
- struct {
- unsigned long Index, Random, EntryLo0, EntryLo1,
- Context, PageMask, Wired, Reserved0,
- BadVAddr, Count, EntryHi, Compare,
- Status, Cause, EPC, PRid,
- Config, LLAddr, WatchLO, WatchHI,
- XContext, Reserved1, Reserved2, Reserved3,
- Reserved4, Reserved5, ECC, CacheErr,
- TagLo, TagHi, ErrorEPC, Reserved6;
- } n;
- unsigned long r[32];
-} psxCP0Regs;
-
-typedef struct {
- short x, y;
-} SVector2D;
-
-typedef struct {
- short z, pad;
-} SVector2Dz;
-
-typedef struct {
- short x, y, z, pad;
-} SVector3D;
-
-typedef struct {
- short x, y, z, pad;
-} LVector3D;
-
-typedef struct {
- unsigned char r, g, b, c;
-} CBGR;
-
-typedef struct {
- short m11, m12, m13, m21, m22, m23, m31, m32, m33, pad;
-} SMatrix3D;
-
-typedef union {
- struct {
- SVector3D v0, v1, v2;
- CBGR rgb;
- long otz;
- long ir0, ir1, ir2, ir3;
- SVector2D sxy0, sxy1, sxy2, sxyp;
- SVector2Dz sz0, sz1, sz2, sz3;
- CBGR rgb0, rgb1, rgb2;
- long reserved;
- long mac0, mac1, mac2, mac3;
- unsigned long irgb, orgb;
- long lzcs, lzcr;
- } n;
- unsigned long r[32];
-} psxCP2Data;
-
-typedef union {
- struct {
- SMatrix3D rMatrix;
- long trX, trY, trZ;
- SMatrix3D lMatrix;
- long rbk, gbk, bbk;
- SMatrix3D cMatrix;
- long rfc, gfc, bfc;
- long ofx, ofy;
- long h;
- long dqa, dqb;
- long zsf3, zsf4;
- long flag;
- } n;
- unsigned long r[32];
-} psxCP2Ctrl;
-
-typedef struct {
- psxGPRRegs GPR; /* General Purpose Registers */
- psxCP0Regs CP0; /* Coprocessor0 Registers */
- psxCP2Data CP2D; /* Cop2 data registers */
- psxCP2Ctrl CP2C; /* Cop2 control registers */
- u32 pc; /* Program counter */
- u32 code; /* The instruction */
- u32 cycle;
- u32 interrupt;
- u32 intCycle[32];
-} psxRegisters;
-
-psxRegisters psxRegs;
-
-#define _i32(x) (long)x
-#define _u32(x) x
-
-#define _i16(x) (short)x
-#define _u16(x) (unsigned short)x
-
-#define _i8(x) (char)x
-#define _u8(x) (unsigned char)x
-
-/**** R3000A Instruction Macros ****/
-#define _PC_ psxRegs.pc // The next PC to be executed
-
-#define _Funct_ ((psxRegs.code ) & 0x3F) // The funct part of the instruction register
-#define _Rd_ ((psxRegs.code >> 11) & 0x1F) // The rd part of the instruction register
-#define _Rt_ ((psxRegs.code >> 16) & 0x1F) // The rt part of the instruction register
-#define _Rs_ ((psxRegs.code >> 21) & 0x1F) // The rs part of the instruction register
-#define _Sa_ ((psxRegs.code >> 6) & 0x1F) // The sa part of the instruction register
-#define _Im_ ((u16)psxRegs.code) // The immediate part of the instruction register
-#define _Target_ (psxRegs.code & 0x03ffffff) // The target part of the instruction register
-
-#define _Imm_ ((s16)psxRegs.code) // sign-extended immediate
-#define _ImmU_ (psxRegs.code&0xffff) // zero-extended immediate
-
-#define _rRs_ psxRegs.GPR.r[_Rs_] // Rs register
-#define _rRt_ psxRegs.GPR.r[_Rt_] // Rt register
-#define _rRd_ psxRegs.GPR.r[_Rd_] // Rd register
-#define _rSa_ psxRegs.GPR.r[_Sa_] // Sa register
-#define _rFs_ psxRegs.CP0.r[_Rd_] // Fs register
-
-#define _c2dRs_ psxRegs.CP2D.r[_Rs_] // Rs cop2 data register
-#define _c2dRt_ psxRegs.CP2D.r[_Rt_] // Rt cop2 data register
-#define _c2dRd_ psxRegs.CP2D.r[_Rd_] // Rd cop2 data register
-#define _c2dSa_ psxRegs.CP2D.r[_Sa_] // Sa cop2 data register
-
-#define _rHi_ psxRegs.GPR.n.hi // The HI register
-#define _rLo_ psxRegs.GPR.n.lo // The LO register
-
-#define _JumpTarget_ ((_Target_ * 4) + (_PC_ & 0xf0000000)) // Calculates the target during a jump instruction
-#define _BranchTarget_ ((s16)_Im_ * 4 + _PC_) // Calculates the target during a branch instruction
-
-#define _SetLink(x) psxRegs.GPR.r[x] = _PC_ + 4; // Sets the return address in the link register
-
-int psxInit();
-void psxReset();
-void psxShutdown();
-void psxException(u32 code, u32 bd);
-void psxBranchTest();
-void psxExecuteBios();
-
-#endif /* __R3000A_H__ */
+/* Pcsx - Pc Psx Emulator + * Copyright (C) 1999-2002 Pcsx Team + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __R3000A_H__ +#define __R3000A_H__ + +#include <stdio.h> + +#include "PsxCommon.h" + +typedef struct { + int (*Init)(); + void (*Reset)(); + void (*Execute)(); /* executes up to a break */ + void (*ExecuteBlock)(); /* executes up to a jump */ + void (*Clear)(u32 Addr, u32 Size); + void (*Shutdown)(); +} R3000Acpu; + +R3000Acpu *psxCpu; +extern R3000Acpu psxInt; +#ifdef __i386__ +extern R3000Acpu psxRec; +#endif + +typedef union { + struct { + unsigned long r0, at, v0, v1, a0, a1, a2, a3, + t0, t1, t2, t3, t4, t5, t6, t7, + s0, s1, s2, s3, s4, s5, s6, s7, + t8, t9, k0, k1, gp, sp, s8, ra, lo, hi; + } n; + unsigned long r[34]; /* Lo, Hi in r[33] and r[34] */ +} psxGPRRegs; + +typedef union { + struct { + unsigned long Index, Random, EntryLo0, EntryLo1, + Context, PageMask, Wired, Reserved0, + BadVAddr, Count, EntryHi, Compare, + Status, Cause, EPC, PRid, + Config, LLAddr, WatchLO, WatchHI, + XContext, Reserved1, Reserved2, Reserved3, + Reserved4, Reserved5, ECC, CacheErr, + TagLo, TagHi, ErrorEPC, Reserved6; + } n; + unsigned long r[32]; +} psxCP0Regs; + +typedef struct { + short x, y; +} SVector2D; + +typedef struct { + short z, pad; +} SVector2Dz; + +typedef struct { + short x, y, z, pad; +} SVector3D; + +typedef struct { + short x, y, z, pad; +} LVector3D; + +typedef struct { + unsigned char r, g, b, c; +} CBGR; + +typedef struct { + short m11, m12, m13, m21, m22, m23, m31, m32, m33, pad; +} SMatrix3D; + +typedef union { + struct { + SVector3D v0, v1, v2; + CBGR rgb; + long otz; + long ir0, ir1, ir2, ir3; + SVector2D sxy0, sxy1, sxy2, sxyp; + SVector2Dz sz0, sz1, sz2, sz3; + CBGR rgb0, rgb1, rgb2; + long reserved; + long mac0, mac1, mac2, mac3; + unsigned long irgb, orgb; + long lzcs, lzcr; + } n; + unsigned long r[32]; +} psxCP2Data; + +typedef union { + struct { + SMatrix3D rMatrix; + long trX, trY, trZ; + SMatrix3D lMatrix; + long rbk, gbk, bbk; + SMatrix3D cMatrix; + long rfc, gfc, bfc; + long ofx, ofy; + long h; + long dqa, dqb; + long zsf3, zsf4; + long flag; + } n; + unsigned long r[32]; +} psxCP2Ctrl; + +typedef struct { + psxGPRRegs GPR; /* General Purpose Registers */ + psxCP0Regs CP0; /* Coprocessor0 Registers */ + psxCP2Data CP2D; /* Cop2 data registers */ + psxCP2Ctrl CP2C; /* Cop2 control registers */ + u32 pc; /* Program counter */ + u32 code; /* The instruction */ + u32 cycle; + u32 interrupt; + u32 intCycle[32]; +} psxRegisters; + +psxRegisters psxRegs; + +#define _i32(x) (long)x +#define _u32(x) x + +#define _i16(x) (short)x +#define _u16(x) (unsigned short)x + +#define _i8(x) (char)x +#define _u8(x) (unsigned char)x + +/**** R3000A Instruction Macros ****/ +#define _PC_ psxRegs.pc // The next PC to be executed + +#define _Funct_ ((psxRegs.code ) & 0x3F) // The funct part of the instruction register +#define _Rd_ ((psxRegs.code >> 11) & 0x1F) // The rd part of the instruction register +#define _Rt_ ((psxRegs.code >> 16) & 0x1F) // The rt part of the instruction register +#define _Rs_ ((psxRegs.code >> 21) & 0x1F) // The rs part of the instruction register +#define _Sa_ ((psxRegs.code >> 6) & 0x1F) // The sa part of the instruction register +#define _Im_ ((u16)psxRegs.code) // The immediate part of the instruction register +#define _Target_ (psxRegs.code & 0x03ffffff) // The target part of the instruction register + +#define _Imm_ ((s16)psxRegs.code) // sign-extended immediate +#define _ImmU_ (psxRegs.code&0xffff) // zero-extended immediate + +#define _rRs_ psxRegs.GPR.r[_Rs_] // Rs register +#define _rRt_ psxRegs.GPR.r[_Rt_] // Rt register +#define _rRd_ psxRegs.GPR.r[_Rd_] // Rd register +#define _rSa_ psxRegs.GPR.r[_Sa_] // Sa register +#define _rFs_ psxRegs.CP0.r[_Rd_] // Fs register + +#define _c2dRs_ psxRegs.CP2D.r[_Rs_] // Rs cop2 data register +#define _c2dRt_ psxRegs.CP2D.r[_Rt_] // Rt cop2 data register +#define _c2dRd_ psxRegs.CP2D.r[_Rd_] // Rd cop2 data register +#define _c2dSa_ psxRegs.CP2D.r[_Sa_] // Sa cop2 data register + +#define _rHi_ psxRegs.GPR.n.hi // The HI register +#define _rLo_ psxRegs.GPR.n.lo // The LO register + +#define _JumpTarget_ ((_Target_ * 4) + (_PC_ & 0xf0000000)) // Calculates the target during a jump instruction +#define _BranchTarget_ ((s16)_Im_ * 4 + _PC_) // Calculates the target during a branch instruction + +#define _SetLink(x) psxRegs.GPR.r[x] = _PC_ + 4; // Sets the return address in the link register + +int psxInit(); +void psxReset(); +void psxShutdown(); +void psxException(u32 code, u32 bd); +void psxBranchTest(); +void psxExecuteBios(); + +#endif /* __R3000A_H__ */ |