X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fnew_dynarec%2Fnew_dynarec.c;h=de444483f8bb4d38922d8e2f986ad78a7f2ac7b7;hb=6cc8d23c0c5284522c62ce333a7c2286198e9db8;hp=50410665e8532862e32bf3595bd75ae2df1fceb1;hpb=b7ec323c2e42a9ff8df844e5a95665733abb4bc1;p=pcsx_rearmed.git

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 50410665..de444483 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -29,10 +29,6 @@
 #ifdef _3DS
 #include <3ds_utils.h>
 #endif
-#ifdef VITA
-#include <psp2/kernel/sysmem.h>
-static int sceBlock;
-#endif
 
 #include "new_dynarec_config.h"
 #include "../psxhle.h"
@@ -53,6 +49,7 @@ static int sceBlock;
 
 //#define DISASM
 //#define ASSEM_PRINT
+//#define REG_ALLOC_PRINT
 
 #ifdef ASSEM_PRINT
 #define assem_debug printf
@@ -79,9 +76,17 @@ static int sceBlock;
 #define MAXBLOCK 4096
 #define MAX_OUTPUT_BLOCK_SIZE 262144
 
+#ifdef VITA
+// apparently Vita has a 16MB limit, so either we cut tc in half,
+// or use this hack (it's a hack because tc size was designed to be power-of-2)
+#define TC_REDUCE_BYTES 4096
+#else
+#define TC_REDUCE_BYTES 0
+#endif
+
 struct ndrc_mem
 {
-  u_char translation_cache[1 << TARGET_SIZE_2];
+  u_char translation_cache[(1 << TARGET_SIZE_2) - TC_REDUCE_BYTES];
   struct
   {
     struct tramp_insns ops[2048 / sizeof(struct tramp_insns)];
@@ -114,6 +119,10 @@ enum stub_type {
   INVCODE_STUB = 14,
 };
 
+// regmap_pre[i]    - regs before [i] insn starts; dirty things here that
+//                    don't match .regmap will be written back
+// [i].regmap_entry - regs that must be set up if someone jumps here
+// [i].regmap       - regs [i] insn will read/(over)write
 struct regstat
 {
   signed char regmap_entry[HOST_REGS];
@@ -121,8 +130,8 @@ struct regstat
   uint64_t wasdirty;
   uint64_t dirty;
   uint64_t u;
-  u_int wasconst;
-  u_int isconst;
+  u_int wasconst;                // before; for example 'lw r2, (r2)' wasconst is true
+  u_int isconst;                 //  ... but isconst is false when r2 is known
   u_int loadedconst;             // host regs that have constants loaded
   u_int waswritten;              // MIPS regs that were used as store base before
 };
@@ -202,7 +211,8 @@ static struct decoded_insn
   static u_int ba[MAXBLOCK];
   static uint64_t unneeded_reg[MAXBLOCK];
   static uint64_t branch_unneeded_reg[MAXBLOCK];
-  static signed char regmap_pre[MAXBLOCK][HOST_REGS]; // pre-instruction i?
+  // see 'struct regstat' for a description
+  static signed char regmap_pre[MAXBLOCK][HOST_REGS];
   // contains 'real' consts at [i] insn, but may differ from what's actually
   // loaded in host reg as 'final' value is always loaded, see get_final_value()
   static uint32_t current_constmap[HOST_REGS];
@@ -227,7 +237,7 @@ static struct decoded_insn
   static void *copy;
   static int expirep;
   static u_int stop_after_jal;
-  static u_int f1_hack; // 0 - off, ~0 - capture address, else addr
+  static u_int f1_hack;
 
   int new_dynarec_hacks;
   int new_dynarec_hacks_pergame;
@@ -292,7 +302,7 @@ static struct decoded_insn
 //#define FLOAT 19  // Floating point unit
 //#define FCONV 20  // Convert integer to float
 //#define FCOMP 21  // Floating point compare (sets FSREG)
-#define SYSCALL 22// SYSCALL
+#define SYSCALL 22// SYSCALL,BREAK
 #define OTHER 23  // Other
 #define SPAN 24   // Branch/delay slot spans 2 pages
 #define NI 25     // Not implemented
@@ -323,18 +333,22 @@ void verify_code_ds();
 void cc_interrupt();
 void fp_exception();
 void fp_exception_ds();
+void jump_syscall   (u_int u0, u_int u1, u_int pc);
+void jump_syscall_ds(u_int u0, u_int u1, u_int pc);
+void jump_break   (u_int u0, u_int u1, u_int pc);
+void jump_break_ds(u_int u0, u_int u1, u_int pc);
 void jump_to_new_pc();
 void call_gteStall();
 void new_dyna_leave();
 
 // Needed by assembler
-static void wb_register(signed char r,signed char regmap[],uint64_t dirty);
-static void wb_dirtys(signed char i_regmap[],uint64_t i_dirty);
-static void wb_needed_dirtys(signed char i_regmap[],uint64_t i_dirty,int addr);
-static void load_all_regs(signed char i_regmap[]);
-static void load_needed_regs(signed char i_regmap[],signed char next_regmap[]);
+static void wb_register(signed char r, const signed char regmap[], uint64_t dirty);
+static void wb_dirtys(const signed char i_regmap[], uint64_t i_dirty);
+static void wb_needed_dirtys(const signed char i_regmap[], uint64_t i_dirty, int addr);
+static void load_all_regs(const signed char i_regmap[]);
+static void load_needed_regs(const signed char i_regmap[], const signed char next_regmap[]);
 static void load_regs_entry(int t);
-static void load_all_consts(signed char regmap[],u_int dirty,int i);
+static void load_all_consts(const signed char regmap[], u_int dirty, int i);
 static u_int get_host_reglist(const signed char *regmap);
 
 static int verify_dirty(const u_int *ptr);
@@ -353,6 +367,14 @@ static void pass_args(int a0, int a1);
 static void emit_far_jump(const void *f);
 static void emit_far_call(const void *f);
 
+#ifdef VITA
+#include <psp2/kernel/sysmem.h>
+static int sceBlock;
+// note: this interacts with RetroArch's Vita bootstrap code: bootstrap/vita/sbrk.c
+extern int getVMBlock();
+int _newlib_vm_size_user = sizeof(*ndrc);
+#endif
+
 static void mprotect_w_x(void *start, void *end, int is_x)
 {
 #ifdef NO_WRITE_EXEC
@@ -467,12 +489,12 @@ static void do_clear_cache(void)
 int cycle_multiplier = CYCLE_MULT_DEFAULT; // 100 for 1.0
 int cycle_multiplier_override;
 int cycle_multiplier_old;
+static int cycle_multiplier_active;
 
 static int CLOCK_ADJUST(int x)
 {
-  int m = cycle_multiplier_override && cycle_multiplier == CYCLE_MULT_DEFAULT
-        ? cycle_multiplier_override : cycle_multiplier;
-  int s=(x>>31)|1;
+  int m = cycle_multiplier_active;
+  int s = (x >> 31) | 1;
   return (x * m + s * 50) / 100;
 }
 
@@ -581,10 +603,9 @@ void *get_addr_ht(u_int vaddr)
   return get_addr(vaddr);
 }
 
-void clear_all_regs(signed char regmap[])
+static void clear_all_regs(signed char regmap[])
 {
-  int hr;
-  for (hr=0;hr<HOST_REGS;hr++) regmap[hr]=-1;
+  memset(regmap, -1, sizeof(regmap[0]) * HOST_REGS);
 }
 
 static signed char get_reg(const signed char regmap[],int r)
@@ -913,6 +934,10 @@ static const struct {
   FUNCNAME(jump_handler_write32),
   FUNCNAME(invalidate_addr),
   FUNCNAME(jump_to_new_pc),
+  FUNCNAME(jump_break),
+  FUNCNAME(jump_break_ds),
+  FUNCNAME(jump_syscall),
+  FUNCNAME(jump_syscall_ds),
   FUNCNAME(call_gteStall),
   FUNCNAME(new_dyna_leave),
   FUNCNAME(pcsx_mtc0),
@@ -1615,9 +1640,8 @@ static void alloc_reg_temp(struct regstat *cur,int i,signed char reg)
 static void mov_alloc(struct regstat *current,int i)
 {
   if (dops[i].rs1 == HIREG || dops[i].rs1 == LOREG) {
-    // logically this is needed but just won't work, no idea why
-    //alloc_cc(current,i); // for stalls
-    //dirty_reg(current,CCREG);
+    alloc_cc(current,i); // for stalls
+    dirty_reg(current,CCREG);
   }
 
   // Note: Don't need to actually alloc the source registers
@@ -2103,7 +2127,7 @@ static void add_stub_r(enum stub_type type, void *addr, void *retaddr,
 }
 
 // Write out a single register
-static void wb_register(signed char r,signed char regmap[],uint64_t dirty)
+static void wb_register(signed char r, const signed char regmap[], uint64_t dirty)
 {
   int hr;
   for(hr=0;hr<HOST_REGS;hr++) {
@@ -2158,7 +2182,7 @@ static void pass_args(int a0, int a1)
   }
 }
 
-static void alu_assemble(int i,struct regstat *i_regs)
+static void alu_assemble(int i, const struct regstat *i_regs)
 {
   if(dops[i].opcode2>=0x20&&dops[i].opcode2<=0x23) { // ADD/ADDU/SUB/SUBU
     if(dops[i].rt1) {
@@ -2298,7 +2322,7 @@ static void alu_assemble(int i,struct regstat *i_regs)
   }
 }
 
-void imm16_assemble(int i,struct regstat *i_regs)
+static void imm16_assemble(int i, const struct regstat *i_regs)
 {
   if (dops[i].opcode==0x0f) { // LUI
     if(dops[i].rt1) {
@@ -2453,7 +2477,7 @@ void imm16_assemble(int i,struct regstat *i_regs)
   }
 }
 
-void shiftimm_assemble(int i,struct regstat *i_regs)
+static void shiftimm_assemble(int i, const struct regstat *i_regs)
 {
   if(dops[i].opcode2<=0x3) // SLL/SRL/SRA
   {
@@ -2511,7 +2535,7 @@ void shiftimm_assemble(int i,struct regstat *i_regs)
 }
 
 #ifndef shift_assemble
-static void shift_assemble(int i,struct regstat *i_regs)
+static void shift_assemble(int i, const struct regstat *i_regs)
 {
   signed char s,t,shift;
   if (dops[i].rt1 == 0)
@@ -2756,7 +2780,7 @@ static void do_store_byte(int a, int rt, int offset_reg)
     emit_writebyte_indexed(rt, 0, a);
 }
 
-static void load_assemble(int i, const struct regstat *i_regs)
+static void load_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   int s,tl,addr;
   int offset;
@@ -2823,10 +2847,10 @@ static void load_assemble(int i, const struct regstat *i_regs)
           emit_movsbl_indexed(0, a, tl);
       }
       if(jaddr)
-        add_stub_r(LOADB_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+        add_stub_r(LOADB_STUB,jaddr,out,i,addr,i_regs,ccadj_,reglist);
     }
     else
-      inline_readstub(LOADB_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj[i],reglist);
+      inline_readstub(LOADB_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj_,reglist);
     break;
   case 0x21: // LH
     if(!c||memtarget) {
@@ -2841,10 +2865,10 @@ static void load_assemble(int i, const struct regstat *i_regs)
           emit_movswl_indexed(0, a, tl);
       }
       if(jaddr)
-        add_stub_r(LOADH_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+        add_stub_r(LOADH_STUB,jaddr,out,i,addr,i_regs,ccadj_,reglist);
     }
     else
-      inline_readstub(LOADH_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj[i],reglist);
+      inline_readstub(LOADH_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj_,reglist);
     break;
   case 0x23: // LW
     if(!c||memtarget) {
@@ -2855,10 +2879,10 @@ static void load_assemble(int i, const struct regstat *i_regs)
         do_load_word(a, tl, offset_reg);
       }
       if(jaddr)
-        add_stub_r(LOADW_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+        add_stub_r(LOADW_STUB,jaddr,out,i,addr,i_regs,ccadj_,reglist);
     }
     else
-      inline_readstub(LOADW_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj[i],reglist);
+      inline_readstub(LOADW_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj_,reglist);
     break;
   case 0x24: // LBU
     if(!c||memtarget) {
@@ -2874,10 +2898,10 @@ static void load_assemble(int i, const struct regstat *i_regs)
           emit_movzbl_indexed(0, a, tl);
       }
       if(jaddr)
-        add_stub_r(LOADBU_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+        add_stub_r(LOADBU_STUB,jaddr,out,i,addr,i_regs,ccadj_,reglist);
     }
     else
-      inline_readstub(LOADBU_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj[i],reglist);
+      inline_readstub(LOADBU_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj_,reglist);
     break;
   case 0x25: // LHU
     if(!c||memtarget) {
@@ -2892,10 +2916,10 @@ static void load_assemble(int i, const struct regstat *i_regs)
           emit_movzwl_indexed(0, a, tl);
       }
       if(jaddr)
-        add_stub_r(LOADHU_STUB,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+        add_stub_r(LOADHU_STUB,jaddr,out,i,addr,i_regs,ccadj_,reglist);
     }
     else
-      inline_readstub(LOADHU_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj[i],reglist);
+      inline_readstub(LOADHU_STUB,i,constmap[i][s]+offset,i_regs->regmap,dops[i].rt1,ccadj_,reglist);
     break;
   case 0x27: // LWU
   case 0x37: // LD
@@ -2908,7 +2932,7 @@ static void load_assemble(int i, const struct regstat *i_regs)
 }
 
 #ifndef loadlr_assemble
-static void loadlr_assemble(int i, const struct regstat *i_regs)
+static void loadlr_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   int s,tl,temp,temp2,addr;
   int offset;
@@ -2961,10 +2985,10 @@ static void loadlr_assemble(int i, const struct regstat *i_regs)
       do_load_word(a, temp2, offset_reg);
       if (fastio_reg_override == HOST_TEMPREG || offset_reg == HOST_TEMPREG)
         host_tempreg_release();
-      if(jaddr) add_stub_r(LOADW_STUB,jaddr,out,i,temp2,i_regs,ccadj[i],reglist);
+      if(jaddr) add_stub_r(LOADW_STUB,jaddr,out,i,temp2,i_regs,ccadj_,reglist);
     }
     else
-      inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj[i],reglist);
+      inline_readstub(LOADW_STUB,i,(constmap[i][s]+offset)&0xFFFFFFFC,i_regs->regmap,FTEMP,ccadj_,reglist);
     if(dops[i].rt1) {
       assert(tl>=0);
       emit_andimm(temp,24,temp);
@@ -2990,7 +3014,7 @@ static void loadlr_assemble(int i, const struct regstat *i_regs)
 }
 #endif
 
-static void store_assemble(int i, const struct regstat *i_regs)
+static void store_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   int s,tl;
   int addr,temp;
@@ -3065,7 +3089,7 @@ static void store_assemble(int i, const struct regstat *i_regs)
   if(jaddr) {
     // PCSX store handlers don't check invcode again
     reglist|=1<<addr;
-    add_stub_r(type,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+    add_stub_r(type,jaddr,out,i,addr,i_regs,ccadj_,reglist);
     jaddr=0;
   }
   if(!(i_regs->waswritten&(1<<dops[i].rs1)) && !HACK_ENABLED(NDHACK_NO_SMC_CHECK)) {
@@ -3093,9 +3117,9 @@ static void store_assemble(int i, const struct regstat *i_regs)
   }
   u_int addr_val=constmap[i][s]+offset;
   if(jaddr) {
-    add_stub_r(type,jaddr,out,i,addr,i_regs,ccadj[i],reglist);
+    add_stub_r(type,jaddr,out,i,addr,i_regs,ccadj_,reglist);
   } else if(c&&!memtarget) {
-    inline_writestub(type,i,addr_val,i_regs->regmap,dops[i].rs2,ccadj[i],reglist);
+    inline_writestub(type,i,addr_val,i_regs->regmap,dops[i].rs2,ccadj_,reglist);
   }
   // basic current block modification detection..
   // not looking back as that should be in mips cache already
@@ -3115,7 +3139,7 @@ static void store_assemble(int i, const struct regstat *i_regs)
   }
 }
 
-static void storelr_assemble(int i, const struct regstat *i_regs)
+static void storelr_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   int s,tl;
   int temp;
@@ -3230,7 +3254,7 @@ static void storelr_assemble(int i, const struct regstat *i_regs)
   if (offset_reg == HOST_TEMPREG)
     host_tempreg_release();
   if(!c||!memtarget)
-    add_stub_r(STORELR_STUB,jaddr,out,i,temp,i_regs,ccadj[i],reglist);
+    add_stub_r(STORELR_STUB,jaddr,out,i,temp,i_regs,ccadj_,reglist);
   if(!(i_regs->waswritten&(1<<dops[i].rs1)) && !HACK_ENABLED(NDHACK_NO_SMC_CHECK)) {
     #if defined(HOST_IMM8)
     int ir=get_reg(i_regs->regmap,INVCP);
@@ -3249,7 +3273,7 @@ static void storelr_assemble(int i, const struct regstat *i_regs)
   }
 }
 
-static void cop0_assemble(int i,struct regstat *i_regs)
+static void cop0_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   if(dops[i].opcode2==0) // MFC0
   {
@@ -3270,7 +3294,7 @@ static void cop0_assemble(int i,struct regstat *i_regs)
       emit_readword(&last_count,HOST_TEMPREG);
       emit_loadreg(CCREG,HOST_CCREG); // TODO: do proper reg alloc
       emit_add(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
-      emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
+      emit_addimm(HOST_CCREG,ccadj_,HOST_CCREG);
       emit_writeword(HOST_CCREG,&Count);
     }
     // What a mess.  The status register (12) can enable interrupts,
@@ -3305,7 +3329,7 @@ static void cop0_assemble(int i,struct regstat *i_regs)
     if(copr==9||copr==11||copr==12||copr==13) {
       emit_readword(&Count,HOST_CCREG);
       emit_readword(&next_interupt,HOST_TEMPREG);
-      emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[i]),HOST_CCREG);
+      emit_addimm(HOST_CCREG,-ccadj_,HOST_CCREG);
       emit_sub(HOST_CCREG,HOST_TEMPREG,HOST_CCREG);
       emit_writeword(HOST_TEMPREG,&last_count);
       emit_storereg(CCREG,HOST_CCREG);
@@ -3338,7 +3362,7 @@ static void cop0_assemble(int i,struct regstat *i_regs)
   }
 }
 
-static void cop1_unusable(int i,struct regstat *i_regs)
+static void cop1_unusable(int i, const struct regstat *i_regs)
 {
   // XXX: should just just do the exception instead
   //if(!cop1_usable)
@@ -3349,12 +3373,12 @@ static void cop1_unusable(int i,struct regstat *i_regs)
   }
 }
 
-static void cop1_assemble(int i,struct regstat *i_regs)
+static void cop1_assemble(int i, const struct regstat *i_regs)
 {
   cop1_unusable(i, i_regs);
 }
 
-static void c1ls_assemble(int i,struct regstat *i_regs)
+static void c1ls_assemble(int i, const struct regstat *i_regs)
 {
   cop1_unusable(i, i_regs);
 }
@@ -3377,7 +3401,7 @@ static void do_cop1stub(int n)
   wb_dirtys(i_regs->regmap_entry,i_regs->wasdirty);
   if(regs[i].regmap_entry[HOST_CCREG]!=CCREG) emit_loadreg(CCREG,HOST_CCREG);
   emit_movimm(start+(i-ds)*4,EAX); // Get PC
-  emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // CHECK: is this right?  There should probably be an extra cycle...
+  emit_addimm(HOST_CCREG,ccadj[i],HOST_CCREG); // CHECK: is this right?  There should probably be an extra cycle...
   emit_far_jump(ds?fp_exception_ds:fp_exception);
 }
 
@@ -3413,7 +3437,7 @@ static void emit_log_gte_stall(int i, int stall, u_int reglist)
     emit_movimm(stall, 0);
   else
     emit_mov(HOST_TEMPREG, 0);
-  emit_addimm(HOST_CCREG, CLOCK_ADJUST(ccadj[i]), 1);
+  emit_addimm(HOST_CCREG, ccadj[i], 1);
   emit_far_call(log_gte_stall);
   restore_regs(reglist);
 }
@@ -3436,10 +3460,12 @@ static void cop2_do_stall_check(u_int op, int i, const struct regstat *i_regs, u
       //if (dops[j].is_ds) break;
       if (cop2_is_stalling_op(j, &other_gte_op_cycles) || dops[j].bt)
         break;
+      if (j > 0 && ccadj[j - 1] > ccadj[j])
+        break;
     }
     j = max(j, 0);
   }
-  cycles_passed = CLOCK_ADJUST(ccadj[i] - ccadj[j]);
+  cycles_passed = ccadj[i] - ccadj[j];
   if (other_gte_op_cycles >= 0)
     stall = other_gte_op_cycles - cycles_passed;
   else if (cycles_passed >= 44)
@@ -3450,13 +3476,13 @@ static void cop2_do_stall_check(u_int op, int i, const struct regstat *i_regs, u
 #if 0 // too slow
     save_regs(reglist);
     emit_movimm(gte_cycletab[op], 0);
-    emit_addimm(HOST_CCREG, CLOCK_ADJUST(ccadj[i]), 1);
+    emit_addimm(HOST_CCREG, ccadj[i], 1);
     emit_far_call(call_gteStall);
     restore_regs(reglist);
 #else
     host_tempreg_acquire();
     emit_readword(&psxRegs.gteBusyCycle, rtmp);
-    emit_addimm(rtmp, -CLOCK_ADJUST(ccadj[i]), rtmp);
+    emit_addimm(rtmp, -ccadj[i], rtmp);
     emit_sub(rtmp, HOST_CCREG, HOST_TEMPREG);
     emit_cmpimm(HOST_TEMPREG, 44);
     emit_cmovb_reg(rtmp, HOST_CCREG);
@@ -3486,7 +3512,7 @@ static void cop2_do_stall_check(u_int op, int i, const struct regstat *i_regs, u
   if (other_gte_op_cycles >= 0)
     // will handle stall when assembling that op
     return;
-  cycles_passed = CLOCK_ADJUST(ccadj[min(j, slen -1)] - ccadj[i]);
+  cycles_passed = ccadj[min(j, slen -1)] - ccadj[i];
   if (cycles_passed >= 44)
     return;
   assem_debug("; save gteBusyCycle\n");
@@ -3494,11 +3520,11 @@ static void cop2_do_stall_check(u_int op, int i, const struct regstat *i_regs, u
 #if 0
   emit_readword(&last_count, HOST_TEMPREG);
   emit_add(HOST_TEMPREG, HOST_CCREG, HOST_TEMPREG);
-  emit_addimm(HOST_TEMPREG, CLOCK_ADJUST(ccadj[i]), HOST_TEMPREG);
+  emit_addimm(HOST_TEMPREG, ccadj[i], HOST_TEMPREG);
   emit_addimm(HOST_TEMPREG, gte_cycletab[op]), HOST_TEMPREG);
   emit_writeword(HOST_TEMPREG, &psxRegs.gteBusyCycle);
 #else
-  emit_addimm(HOST_CCREG, CLOCK_ADJUST(ccadj[i]) + gte_cycletab[op], HOST_TEMPREG);
+  emit_addimm(HOST_CCREG, ccadj[i] + gte_cycletab[op], HOST_TEMPREG);
   emit_writeword(HOST_TEMPREG, &psxRegs.gteBusyCycle);
 #endif
   host_tempreg_release();
@@ -3520,7 +3546,7 @@ static int check_multdiv(int i, int *cycles)
   return 1;
 }
 
-static void multdiv_prepare_stall(int i, const struct regstat *i_regs)
+static void multdiv_prepare_stall(int i, const struct regstat *i_regs, int ccadj_)
 {
   int j, found = 0, c = 0;
   if (HACK_ENABLED(NDHACK_NO_STALLS))
@@ -3548,7 +3574,7 @@ static void multdiv_prepare_stall(int i, const struct regstat *i_regs)
   assert(c > 0);
   assem_debug("; muldiv prepare stall %d\n", c);
   host_tempreg_acquire();
-  emit_addimm(HOST_CCREG, CLOCK_ADJUST(ccadj[i]) + c, HOST_TEMPREG);
+  emit_addimm(HOST_CCREG, ccadj_ + c, HOST_TEMPREG);
   emit_writeword(HOST_TEMPREG, &psxRegs.muldivBusyCycle);
   host_tempreg_release();
 }
@@ -3570,16 +3596,18 @@ static void multdiv_do_stall(int i, const struct regstat *i_regs)
   if (!dops[i].bt) {
     for (j = i - 1; j >= 0; j--) {
       if (dops[j].is_ds) break;
-      if (check_multdiv(j, &known_cycles) || dops[j].bt)
+      if (check_multdiv(j, &known_cycles))
         break;
       if (is_mflohi(j))
         // already handled by this op
         return;
+      if (dops[j].bt || (j > 0 && ccadj[j - 1] > ccadj[j]))
+        break;
     }
     j = max(j, 0);
   }
   if (known_cycles > 0) {
-    known_cycles -= CLOCK_ADJUST(ccadj[i] - ccadj[j]);
+    known_cycles -= ccadj[i] - ccadj[j];
     assem_debug("; muldiv stall resolved %d\n", known_cycles);
     if (known_cycles > 0)
       emit_addimm(HOST_CCREG, known_cycles, HOST_CCREG);
@@ -3588,7 +3616,7 @@ static void multdiv_do_stall(int i, const struct regstat *i_regs)
   assem_debug("; muldiv stall unresolved\n");
   host_tempreg_acquire();
   emit_readword(&psxRegs.muldivBusyCycle, rtmp);
-  emit_addimm(rtmp, -CLOCK_ADJUST(ccadj[i]), rtmp);
+  emit_addimm(rtmp, -ccadj[i], rtmp);
   emit_sub(rtmp, HOST_CCREG, HOST_TEMPREG);
   emit_cmpimm(HOST_TEMPREG, 37);
   emit_cmovb_reg(rtmp, HOST_CCREG);
@@ -3679,7 +3707,7 @@ static void cop2_put_dreg(u_int copr,signed char sl,signed char temp)
   }
 }
 
-static void c2ls_assemble(int i, const struct regstat *i_regs)
+static void c2ls_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   int s,tl;
   int ar;
@@ -3760,7 +3788,7 @@ static void c2ls_assemble(int i, const struct regstat *i_regs)
   if (fastio_reg_override == HOST_TEMPREG || offset_reg == HOST_TEMPREG)
     host_tempreg_release();
   if(jaddr2)
-    add_stub_r(type,jaddr2,out,i,ar,i_regs,ccadj[i],reglist);
+    add_stub_r(type,jaddr2,out,i,ar,i_regs,ccadj_,reglist);
   if(dops[i].opcode==0x3a) // SWC2
   if(!(i_regs->waswritten&(1<<dops[i].rs1)) && !HACK_ENABLED(NDHACK_NO_SMC_CHECK)) {
 #if defined(HOST_IMM8)
@@ -3864,9 +3892,9 @@ static void do_unalignedwritestub(int n)
   int cc=get_reg(i_regmap,CCREG);
   if(cc<0)
     emit_loadreg(CCREG,2);
-  emit_addimm(cc<0?2:cc,CLOCK_ADJUST((int)stubs[n].d+1),2);
+  emit_addimm(cc<0?2:cc,(int)stubs[n].d+1,2);
   emit_far_call((dops[i].opcode==0x2a?jump_handle_swl:jump_handle_swr));
-  emit_addimm(0,-CLOCK_ADJUST((int)stubs[n].d+1),cc<0?2:cc);
+  emit_addimm(0,-((int)stubs[n].d+1),cc<0?2:cc);
   if(cc<0)
     emit_storereg(CCREG,2);
   restore_regs(reglist);
@@ -3881,7 +3909,7 @@ void multdiv_assemble(int i,struct regstat *i_regs)
 }
 #endif
 
-static void mov_assemble(int i,struct regstat *i_regs)
+static void mov_assemble(int i, const struct regstat *i_regs)
 {
   //if(dops[i].opcode2==0x10||dops[i].opcode2==0x12) { // MFHI/MFLO
   //if(dops[i].opcode2==0x11||dops[i].opcode2==0x13) { // MTHI/MTLO
@@ -3900,7 +3928,7 @@ static void mov_assemble(int i,struct regstat *i_regs)
 }
 
 // call interpreter, exception handler, things that change pc/regs/cycles ...
-static void call_c_cpu_handler(int i, const struct regstat *i_regs, u_int pc, void *func)
+static void call_c_cpu_handler(int i, const struct regstat *i_regs, int ccadj_, u_int pc, void *func)
 {
   signed char ccreg=get_reg(i_regs->regmap,CCREG);
   assert(ccreg==HOST_CCREG);
@@ -3910,33 +3938,40 @@ static void call_c_cpu_handler(int i, const struct regstat *i_regs, u_int pc, vo
   emit_movimm(pc,3); // Get PC
   emit_readword(&last_count,2);
   emit_writeword(3,&psxRegs.pc);
-  emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]),HOST_CCREG); // XXX
+  emit_addimm(HOST_CCREG,ccadj_,HOST_CCREG);
   emit_add(2,HOST_CCREG,2);
   emit_writeword(2,&psxRegs.cycle);
   emit_far_call(func);
   emit_far_jump(jump_to_new_pc);
 }
 
-static void syscall_assemble(int i,struct regstat *i_regs)
+static void syscall_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
-  emit_movimm(0x20,0); // cause code
-  emit_movimm(0,1);    // not in delay slot
-  call_c_cpu_handler(i,i_regs,start+i*4,psxException);
+  // 'break' tends to be littered around to catch things like
+  // division by 0 and is almost never executed, so don't emit much code here
+  void *func = (dops[i].opcode2 == 0x0C)
+    ? (is_delayslot ? jump_syscall_ds : jump_syscall)
+    : (is_delayslot ? jump_break_ds : jump_break);
+  signed char ccreg = get_reg(i_regs->regmap, CCREG);
+  assert(ccreg == HOST_CCREG);
+  emit_movimm(start + i*4, 2); // pc
+  emit_addimm(HOST_CCREG, ccadj_ + CLOCK_ADJUST(1), HOST_CCREG);
+  emit_far_jump(func);
 }
 
-static void hlecall_assemble(int i,struct regstat *i_regs)
+static void hlecall_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
   void *hlefunc = psxNULL;
   uint32_t hleCode = source[i] & 0x03ffffff;
   if (hleCode < ARRAY_SIZE(psxHLEt))
     hlefunc = psxHLEt[hleCode];
 
-  call_c_cpu_handler(i,i_regs,start+i*4+4,hlefunc);
+  call_c_cpu_handler(i, i_regs, ccadj_, start + i*4+4, hlefunc);
 }
 
-static void intcall_assemble(int i,struct regstat *i_regs)
+static void intcall_assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
-  call_c_cpu_handler(i,i_regs,start+i*4,execI);
+  call_c_cpu_handler(i, i_regs, ccadj_, start + i*4, execI);
 }
 
 static void speculate_mov(int rs,int rt)
@@ -4031,45 +4066,109 @@ static void speculate_register_values(int i)
 #endif
 }
 
-static void ds_assemble(int i,struct regstat *i_regs)
+static void ujump_assemble(int i, const struct regstat *i_regs);
+static void rjump_assemble(int i, const struct regstat *i_regs);
+static void cjump_assemble(int i, const struct regstat *i_regs);
+static void sjump_assemble(int i, const struct regstat *i_regs);
+static void pagespan_assemble(int i, const struct regstat *i_regs);
+
+static int assemble(int i, const struct regstat *i_regs, int ccadj_)
 {
-  speculate_register_values(i);
-  is_delayslot=1;
-  switch(dops[i].itype) {
+  int ds = 0;
+  switch (dops[i].itype) {
     case ALU:
-      alu_assemble(i,i_regs);break;
+      alu_assemble(i, i_regs);
+      break;
     case IMM16:
-      imm16_assemble(i,i_regs);break;
+      imm16_assemble(i, i_regs);
+      break;
     case SHIFT:
-      shift_assemble(i,i_regs);break;
+      shift_assemble(i, i_regs);
+      break;
     case SHIFTIMM:
-      shiftimm_assemble(i,i_regs);break;
+      shiftimm_assemble(i, i_regs);
+      break;
     case LOAD:
-      load_assemble(i,i_regs);break;
+      load_assemble(i, i_regs, ccadj_);
+      break;
     case LOADLR:
-      loadlr_assemble(i,i_regs);break;
+      loadlr_assemble(i, i_regs, ccadj_);
+      break;
     case STORE:
-      store_assemble(i,i_regs);break;
+      store_assemble(i, i_regs, ccadj_);
+      break;
     case STORELR:
-      storelr_assemble(i,i_regs);break;
+      storelr_assemble(i, i_regs, ccadj_);
+      break;
     case COP0:
-      cop0_assemble(i,i_regs);break;
+      cop0_assemble(i, i_regs, ccadj_);
+      break;
     case COP1:
-      cop1_assemble(i,i_regs);break;
+      cop1_assemble(i, i_regs);
+      break;
     case C1LS:
-      c1ls_assemble(i,i_regs);break;
+      c1ls_assemble(i, i_regs);
+      break;
     case COP2:
-      cop2_assemble(i,i_regs);break;
+      cop2_assemble(i, i_regs);
+      break;
     case C2LS:
-      c2ls_assemble(i,i_regs);break;
+      c2ls_assemble(i, i_regs, ccadj_);
+      break;
     case C2OP:
-      c2op_assemble(i,i_regs);break;
+      c2op_assemble(i, i_regs);
+      break;
     case MULTDIV:
-      multdiv_assemble(i,i_regs);
-      multdiv_prepare_stall(i,i_regs);
+      multdiv_assemble(i, i_regs);
+      multdiv_prepare_stall(i, i_regs, ccadj_);
       break;
     case MOV:
-      mov_assemble(i,i_regs);break;
+      mov_assemble(i, i_regs);
+      break;
+    case SYSCALL:
+      syscall_assemble(i, i_regs, ccadj_);
+      break;
+    case HLECALL:
+      hlecall_assemble(i, i_regs, ccadj_);
+      break;
+    case INTCALL:
+      intcall_assemble(i, i_regs, ccadj_);
+      break;
+    case UJUMP:
+      ujump_assemble(i, i_regs);
+      ds = 1;
+      break;
+    case RJUMP:
+      rjump_assemble(i, i_regs);
+      ds = 1;
+      break;
+    case CJUMP:
+      cjump_assemble(i, i_regs);
+      ds = 1;
+      break;
+    case SJUMP:
+      sjump_assemble(i, i_regs);
+      ds = 1;
+      break;
+    case SPAN:
+      pagespan_assemble(i, i_regs);
+      break;
+    case NOP:
+    case OTHER:
+    case NI:
+      // not handled, just skip
+      break;
+    default:
+      assert(0);
+  }
+  return ds;
+}
+
+static void ds_assemble(int i, const struct regstat *i_regs)
+{
+  speculate_register_values(i);
+  is_delayslot = 1;
+  switch (dops[i].itype) {
     case SYSCALL:
     case HLECALL:
     case INTCALL:
@@ -4079,8 +4178,11 @@ static void ds_assemble(int i,struct regstat *i_regs)
     case CJUMP:
     case SJUMP:
       SysPrintf("Jump in the delay slot.  This is probably a bug.\n");
+      break;
+    default:
+      assemble(i, i_regs, ccadj[i]);
   }
-  is_delayslot=0;
+  is_delayslot = 0;
 }
 
 // Is the branch target a valid internal jump?
@@ -4184,7 +4286,7 @@ static void loop_preload(signed char pre[],signed char entry[])
 
 // Generate address for load/store instruction
 // goes to AGEN for writes, FTEMP for LOADLR and cop1/2 loads
-void address_generation(int i,struct regstat *i_regs,signed char entry[])
+void address_generation(int i, const struct regstat *i_regs, signed char entry[])
 {
   if (dops[i].is_load || dops[i].is_store) {
     int ra=-1;
@@ -4383,7 +4485,7 @@ static void load_consts(signed char pre[],signed char regmap[],int i)
   }
 }
 
-void load_all_consts(signed char regmap[], u_int dirty, int i)
+static void load_all_consts(const signed char regmap[], u_int dirty, int i)
 {
   int hr;
   // Load 32-bit regs
@@ -4404,7 +4506,7 @@ void load_all_consts(signed char regmap[], u_int dirty, int i)
 }
 
 // Write out all dirty registers (except cycle count)
-static void wb_dirtys(signed char i_regmap[],uint64_t i_dirty)
+static void wb_dirtys(const signed char i_regmap[], uint64_t i_dirty)
 {
   int hr;
   for(hr=0;hr<HOST_REGS;hr++) {
@@ -4423,7 +4525,7 @@ static void wb_dirtys(signed char i_regmap[],uint64_t i_dirty)
 
 // Write out dirty registers that we need to reload (pair with load_needed_regs)
 // This writes the registers not written by store_regs_bt
-void wb_needed_dirtys(signed char i_regmap[],uint64_t i_dirty,int addr)
+static void wb_needed_dirtys(const signed char i_regmap[], uint64_t i_dirty, int addr)
 {
   int hr;
   int t=(addr-start)>>2;
@@ -4444,7 +4546,7 @@ void wb_needed_dirtys(signed char i_regmap[],uint64_t i_dirty,int addr)
 }
 
 // Load all registers (except cycle count)
-void load_all_regs(signed char i_regmap[])
+static void load_all_regs(const signed char i_regmap[])
 {
   int hr;
   for(hr=0;hr<HOST_REGS;hr++) {
@@ -4462,7 +4564,7 @@ void load_all_regs(signed char i_regmap[])
 }
 
 // Load all current registers also needed by next instruction
-void load_needed_regs(signed char i_regmap[],signed char next_regmap[])
+static void load_needed_regs(const signed char i_regmap[], const signed char next_regmap[])
 {
   int hr;
   for(hr=0;hr<HOST_REGS;hr++) {
@@ -4482,11 +4584,11 @@ void load_needed_regs(signed char i_regmap[],signed char next_regmap[])
 }
 
 // Load all regs, storing cycle count if necessary
-void load_regs_entry(int t)
+static void load_regs_entry(int t)
 {
   int hr;
   if(dops[t].is_ds) emit_addimm(HOST_CCREG,CLOCK_ADJUST(1),HOST_CCREG);
-  else if(ccadj[t]) emit_addimm(HOST_CCREG,-CLOCK_ADJUST(ccadj[t]),HOST_CCREG);
+  else if(ccadj[t]) emit_addimm(HOST_CCREG,-ccadj[t],HOST_CCREG);
   if(regs[t].regmap_entry[HOST_CCREG]!=CCREG) {
     emit_storereg(CCREG,HOST_CCREG);
   }
@@ -4641,7 +4743,7 @@ static int match_bt(signed char i_regmap[],uint64_t i_dirty,int addr)
 }
 
 #ifdef DRC_DBG
-static void drc_dbg_emit_do_cmp(int i)
+static void drc_dbg_emit_do_cmp(int i, int ccadj_)
 {
   extern void do_insn_cmp();
   //extern int cycle;
@@ -4652,7 +4754,7 @@ static void drc_dbg_emit_do_cmp(int i)
   // write out changed consts to match the interpreter
   if (i > 0 && !dops[i].bt) {
     for (hr = 0; hr < HOST_REGS; hr++) {
-      int reg = regs[i-1].regmap[hr];
+      int reg = regs[i].regmap_entry[hr]; // regs[i-1].regmap[hr];
       if (hr == EXCLUDE_REG || reg < 0)
         continue;
       if (!((regs[i-1].isconst >> hr) & 1))
@@ -4665,6 +4767,11 @@ static void drc_dbg_emit_do_cmp(int i)
   }
   emit_movimm(start+i*4,0);
   emit_writeword(0,&pcaddr);
+  int cc = get_reg(regs[i].regmap_entry, CCREG);
+  if (cc < 0)
+    emit_loadreg(CCREG, cc = 0);
+  emit_addimm(cc, ccadj_, 0);
+  emit_writeword(0, &psxRegs.cycle);
   emit_far_call(do_insn_cmp);
   //emit_readword(&cycle,0);
   //emit_addimm(0,2,0);
@@ -4674,18 +4781,19 @@ static void drc_dbg_emit_do_cmp(int i)
   assem_debug("\\\\do_insn_cmp\n");
 }
 #else
-#define drc_dbg_emit_do_cmp(x)
+#define drc_dbg_emit_do_cmp(x,y)
 #endif
 
 // Used when a branch jumps into the delay slot of another branch
 static void ds_assemble_entry(int i)
 {
-  int t=(ba[i]-start)>>2;
+  int t = (ba[i] - start) >> 2;
+  int ccadj_ = -CLOCK_ADJUST(1);
   if (!instr_addr[t])
     instr_addr[t] = out;
   assem_debug("Assemble delay slot at %x\n",ba[i]);
   assem_debug("<->\n");
-  drc_dbg_emit_do_cmp(t);
+  drc_dbg_emit_do_cmp(t, ccadj_);
   if(regs[t].regmap_entry[HOST_CCREG]==CCREG&&regs[t].regmap[HOST_CCREG]!=CCREG)
     wb_register(CCREG,regs[t].regmap_entry,regs[t].wasdirty);
   load_regs(regs[t].regmap_entry,regs[t].regmap,dops[t].rs1,dops[t].rs2);
@@ -4695,41 +4803,7 @@ static void ds_assemble_entry(int i)
   if (dops[t].is_store)
     load_regs(regs[t].regmap_entry,regs[t].regmap,INVCP,INVCP);
   is_delayslot=0;
-  switch(dops[t].itype) {
-    case ALU:
-      alu_assemble(t,&regs[t]);break;
-    case IMM16:
-      imm16_assemble(t,&regs[t]);break;
-    case SHIFT:
-      shift_assemble(t,&regs[t]);break;
-    case SHIFTIMM:
-      shiftimm_assemble(t,&regs[t]);break;
-    case LOAD:
-      load_assemble(t,&regs[t]);break;
-    case LOADLR:
-      loadlr_assemble(t,&regs[t]);break;
-    case STORE:
-      store_assemble(t,&regs[t]);break;
-    case STORELR:
-      storelr_assemble(t,&regs[t]);break;
-    case COP0:
-      cop0_assemble(t,&regs[t]);break;
-    case COP1:
-      cop1_assemble(t,&regs[t]);break;
-    case C1LS:
-      c1ls_assemble(t,&regs[t]);break;
-    case COP2:
-      cop2_assemble(t,&regs[t]);break;
-    case C2LS:
-      c2ls_assemble(t,&regs[t]);break;
-    case C2OP:
-      c2op_assemble(t,&regs[t]);break;
-    case MULTDIV:
-      multdiv_assemble(t,&regs[t]);
-      multdiv_prepare_stall(i,&regs[t]);
-      break;
-    case MOV:
-      mov_assemble(t,&regs[t]);break;
+  switch (dops[t].itype) {
     case SYSCALL:
     case HLECALL:
     case INTCALL:
@@ -4739,6 +4813,9 @@ static void ds_assemble_entry(int i)
     case CJUMP:
     case SJUMP:
       SysPrintf("Jump in the delay slot.  This is probably a bug.\n");
+      break;
+    default:
+      assemble(t, &regs[t], ccadj_);
   }
   store_regs_bt(regs[t].regmap,regs[t].dirty,ba[i]+4);
   load_regs_bt(regs[t].regmap,regs[t].dirty,ba[i]+4);
@@ -4768,9 +4845,10 @@ static void emit_mov2imm_compact(int imm1,u_int rt1,int imm2,u_int rt2)
   emit_movimm_from(imm1,rt1,imm2,rt2);
 }
 
-void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert)
+static void do_cc(int i, const signed char i_regmap[], int *adj,
+  int addr, int taken, int invert)
 {
-  int count;
+  int count, count_plus2;
   void *jaddr;
   void *idle=NULL;
   int t=0;
@@ -4782,14 +4860,15 @@ void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert)
   if(internal_branch(ba[i]))
   {
     t=(ba[i]-start)>>2;
-    if(dops[t].is_ds) *adj=-1; // Branch into delay slot adds an extra cycle
+    if(dops[t].is_ds) *adj=-CLOCK_ADJUST(1); // Branch into delay slot adds an extra cycle
     else *adj=ccadj[t];
   }
   else
   {
     *adj=0;
   }
-  count=ccadj[i];
+  count = ccadj[i];
+  count_plus2 = count + CLOCK_ADJUST(2);
   if(taken==TAKEN && i==(ba[i]-start)>>2 && source[i+1]==0) {
     // Idle loop
     if(count&1) emit_addimm_and_set_flags(2*(count+2),HOST_CCREG);
@@ -4800,26 +4879,26 @@ void do_cc(int i,signed char i_regmap[],int *adj,int addr,int taken,int invert)
     emit_jmp(0);
   }
   else if(*adj==0||invert) {
-    int cycles=CLOCK_ADJUST(count+2);
+    int cycles = count_plus2;
     // faster loop HACK
 #if 0
     if (t&&*adj) {
       int rel=t-i;
       if(-NO_CYCLE_PENALTY_THR<rel&&rel<0)
-        cycles=CLOCK_ADJUST(*adj)+count+2-*adj;
+        cycles=*adj+count+2-*adj;
     }
 #endif
-    emit_addimm_and_set_flags(cycles,HOST_CCREG);
-    jaddr=out;
+    emit_addimm_and_set_flags(cycles, HOST_CCREG);
+    jaddr = out;
     emit_jns(0);
   }
   else
   {
-    emit_cmpimm(HOST_CCREG,-CLOCK_ADJUST(count+2));
-    jaddr=out;
+    emit_cmpimm(HOST_CCREG, -count_plus2);
+    jaddr = out;
     emit_jns(0);
   }
-  add_stub(CC_STUB,jaddr,idle?idle:out,(*adj==0||invert||idle)?0:(count+2),i,addr,taken,0);
+  add_stub(CC_STUB,jaddr,idle?idle:out,(*adj==0||invert||idle)?0:count_plus2,i,addr,taken,0);
 }
 
 static void do_ccstub(int n)
@@ -5002,9 +5081,9 @@ static void do_ccstub(int n)
   }
   // Update cycle count
   assert(branch_regs[i].regmap[HOST_CCREG]==CCREG||branch_regs[i].regmap[HOST_CCREG]==-1);
-  if(stubs[n].a) emit_addimm(HOST_CCREG,CLOCK_ADJUST((signed int)stubs[n].a),HOST_CCREG);
+  if(stubs[n].a) emit_addimm(HOST_CCREG,(int)stubs[n].a,HOST_CCREG);
   emit_far_call(cc_interrupt);
-  if(stubs[n].a) emit_addimm(HOST_CCREG,-CLOCK_ADJUST((signed int)stubs[n].a),HOST_CCREG);
+  if(stubs[n].a) emit_addimm(HOST_CCREG,-(int)stubs[n].a,HOST_CCREG);
   if(stubs[n].d==TAKEN) {
     if(internal_branch(ba[i]))
       load_needed_regs(branch_regs[i].regmap,regs[(ba[i]-start)>>2].regmap_entry);
@@ -5074,7 +5153,7 @@ static void ujump_assemble_write_ra(int i)
   }
 }
 
-static void ujump_assemble(int i,struct regstat *i_regs)
+static void ujump_assemble(int i, const struct regstat *i_regs)
 {
   int ra_done=0;
   if(i==(ba[i]-start)>>2) assem_debug("idle loop\n");
@@ -5108,7 +5187,7 @@ static void ujump_assemble(int i,struct regstat *i_regs)
   if(dops[i].rt1==31&&temp>=0) emit_prefetchreg(temp);
   #endif
   do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0);
-  if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+  if(adj) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
   load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
   if(internal_branch(ba[i]))
     assem_debug("branch: internal\n");
@@ -5144,7 +5223,7 @@ static void rjump_assemble_write_ra(int i)
   #endif
 }
 
-static void rjump_assemble(int i,struct regstat *i_regs)
+static void rjump_assemble(int i, const struct regstat *i_regs)
 {
   int temp;
   int rs,cc;
@@ -5219,7 +5298,7 @@ static void rjump_assemble(int i,struct regstat *i_regs)
   //do_cc(i,branch_regs[i].regmap,&adj,-1,TAKEN);
   //if(adj) emit_addimm(cc,2*(ccadj[i]+2-adj),cc); // ??? - Shouldn't happen
   //assert(adj==0);
-  emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
+  emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), HOST_CCREG);
   add_stub(CC_STUB,out,NULL,0,i,-1,TAKEN,rs);
   if(dops[i+1].itype==COP0&&(source[i+1]&0x3f)==0x10)
     // special case for RFE
@@ -5241,9 +5320,9 @@ static void rjump_assemble(int i,struct regstat *i_regs)
   #endif
 }
 
-static void cjump_assemble(int i,struct regstat *i_regs)
+static void cjump_assemble(int i, const struct regstat *i_regs)
 {
-  signed char *i_regmap=i_regs->regmap;
+  const signed char *i_regmap = i_regs->regmap;
   int cc;
   int match;
   match=match_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
@@ -5309,7 +5388,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
     if(unconditional) {
       do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0);
       if(i!=(ba[i]-start)>>2 || source[i+1]!=0) {
-        if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+        if(adj) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
         load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
         if(internal)
           assem_debug("branch: internal\n");
@@ -5328,7 +5407,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
       }
     }
     else if(nop) {
-      emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
+      emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), cc);
       void *jaddr=out;
       emit_jns(0);
       add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
@@ -5336,7 +5415,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
     else {
       void *taken = NULL, *nottaken = NULL, *nottaken1 = NULL;
       do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert);
-      if(adj&&!invert) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+      if(adj&&!invert) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
 
       //printf("branch(%d): eax=%d ecx=%d edx=%d ebx=%d ebp=%d esi=%d edi=%d\n",i,branch_regs[i].regmap[0],branch_regs[i].regmap[1],branch_regs[i].regmap[2],branch_regs[i].regmap[3],branch_regs[i].regmap[5],branch_regs[i].regmap[6],branch_regs[i].regmap[7]);
       assert(s1l>=0);
@@ -5391,7 +5470,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
         #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
         if (match && (!internal || !dops[(ba[i]-start)>>2].is_ds)) {
           if(adj) {
-            emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
+            emit_addimm(cc,-adj,cc);
             add_to_linker(out,ba[i],internal);
           }else{
             emit_addnop(13);
@@ -5401,7 +5480,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
         }else
         #endif
         {
-          if(adj) emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
+          if(adj) emit_addimm(cc,-adj,cc);
           store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
           load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
           if(internal)
@@ -5421,7 +5500,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
 
       if(nottaken1) set_jump_target(nottaken1, out);
       if(adj) {
-        if(!invert) emit_addimm(cc,CLOCK_ADJUST(adj),cc);
+        if(!invert) emit_addimm(cc,adj,cc);
       }
     } // (!unconditional)
   } // if(ooo)
@@ -5484,7 +5563,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
       store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
       do_cc(i,i_regmap,&adj,ba[i],TAKEN,0);
       assem_debug("cycle count (adj)\n");
-      if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+      if(adj) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
       load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
       if(internal)
         assem_debug("branch: internal\n");
@@ -5515,7 +5594,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
       if (cc == -1) {
         // Cycle count isn't in a register, temporarily load it then write it out
         emit_loadreg(CCREG,HOST_CCREG);
-        emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
+        emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), HOST_CCREG);
         void *jaddr=out;
         emit_jns(0);
         add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
@@ -5524,7 +5603,7 @@ static void cjump_assemble(int i,struct regstat *i_regs)
       else{
         cc=get_reg(i_regmap,CCREG);
         assert(cc==HOST_CCREG);
-        emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
+        emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), cc);
         void *jaddr=out;
         emit_jns(0);
         add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
@@ -5533,9 +5612,9 @@ static void cjump_assemble(int i,struct regstat *i_regs)
   }
 }
 
-static void sjump_assemble(int i,struct regstat *i_regs)
+static void sjump_assemble(int i, const struct regstat *i_regs)
 {
-  signed char *i_regmap=i_regs->regmap;
+  const signed char *i_regmap = i_regs->regmap;
   int cc;
   int match;
   match=match_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
@@ -5607,7 +5686,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
     if(unconditional) {
       do_cc(i,branch_regs[i].regmap,&adj,ba[i],TAKEN,0);
       if(i!=(ba[i]-start)>>2 || source[i+1]!=0) {
-        if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+        if(adj) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
         load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
         if(internal)
           assem_debug("branch: internal\n");
@@ -5626,7 +5705,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
       }
     }
     else if(nevertaken) {
-      emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
+      emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), cc);
       void *jaddr=out;
       emit_jns(0);
       add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
@@ -5634,7 +5713,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
     else {
       void *nottaken = NULL;
       do_cc(i,branch_regs[i].regmap,&adj,-1,0,invert);
-      if(adj&&!invert) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+      if(adj&&!invert) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
       {
         assert(s1l>=0);
         if((dops[i].opcode2&0xf)==0) // BLTZ/BLTZAL
@@ -5665,7 +5744,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
         #ifdef CORTEX_A8_BRANCH_PREDICTION_HACK
         if (match && (!internal || !dops[(ba[i] - start) >> 2].is_ds)) {
           if(adj) {
-            emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
+            emit_addimm(cc,-adj,cc);
             add_to_linker(out,ba[i],internal);
           }else{
             emit_addnop(13);
@@ -5675,7 +5754,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
         }else
         #endif
         {
-          if(adj) emit_addimm(cc,-CLOCK_ADJUST(adj),cc);
+          if(adj) emit_addimm(cc,-adj,cc);
           store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
           load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
           if(internal)
@@ -5694,7 +5773,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
       }
 
       if(adj) {
-        if(!invert) emit_addimm(cc,CLOCK_ADJUST(adj),cc);
+        if(!invert) emit_addimm(cc,adj,cc);
       }
     } // (!unconditional)
   } // if(ooo)
@@ -5755,7 +5834,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
       store_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
       do_cc(i,i_regmap,&adj,ba[i],TAKEN,0);
       assem_debug("cycle count (adj)\n");
-      if(adj) emit_addimm(cc,CLOCK_ADJUST(ccadj[i]+2-adj),cc);
+      if(adj) emit_addimm(cc, ccadj[i] + CLOCK_ADJUST(2) - adj, cc);
       load_regs_bt(branch_regs[i].regmap,branch_regs[i].dirty,ba[i]);
       if(internal)
         assem_debug("branch: internal\n");
@@ -5782,7 +5861,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
       if (cc == -1) {
         // Cycle count isn't in a register, temporarily load it then write it out
         emit_loadreg(CCREG,HOST_CCREG);
-        emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
+        emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), HOST_CCREG);
         void *jaddr=out;
         emit_jns(0);
         add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
@@ -5791,7 +5870,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
       else{
         cc=get_reg(i_regmap,CCREG);
         assert(cc==HOST_CCREG);
-        emit_addimm_and_set_flags(CLOCK_ADJUST(ccadj[i]+2),cc);
+        emit_addimm_and_set_flags(ccadj[i] + CLOCK_ADJUST(2), cc);
         void *jaddr=out;
         emit_jns(0);
         add_stub(CC_STUB,jaddr,out,0,i,start+i*4+8,NOTTAKEN,0);
@@ -5800,7 +5879,7 @@ static void sjump_assemble(int i,struct regstat *i_regs)
   }
 }
 
-static void pagespan_assemble(int i,struct regstat *i_regs)
+static void pagespan_assemble(int i, const struct regstat *i_regs)
 {
   int s1l=get_reg(i_regs->regmap,dops[i].rs1);
   int s2l=get_reg(i_regs->regmap,dops[i].rs2);
@@ -5858,7 +5937,7 @@ static void pagespan_assemble(int i,struct regstat *i_regs)
   if((dops[i].opcode&0x2e)==4||dops[i].opcode==0x11) { // BEQ/BNE/BEQL/BNEL/BC1
     load_regs(regs[i].regmap_entry,regs[i].regmap,CCREG,CCREG);
   }
-  emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i]+2),HOST_CCREG);
+  emit_addimm(HOST_CCREG, ccadj[i] + CLOCK_ADJUST(2), HOST_CCREG);
   if(dops[i].opcode==2) // J
   {
     unconditional=1;
@@ -6027,41 +6106,7 @@ static void pagespan_ds()
   if (dops[0].is_store)
     load_regs(regs[0].regmap_entry,regs[0].regmap,INVCP,INVCP);
   is_delayslot=0;
-  switch(dops[0].itype) {
-    case ALU:
-      alu_assemble(0,&regs[0]);break;
-    case IMM16:
-      imm16_assemble(0,&regs[0]);break;
-    case SHIFT:
-      shift_assemble(0,&regs[0]);break;
-    case SHIFTIMM:
-      shiftimm_assemble(0,&regs[0]);break;
-    case LOAD:
-      load_assemble(0,&regs[0]);break;
-    case LOADLR:
-      loadlr_assemble(0,&regs[0]);break;
-    case STORE:
-      store_assemble(0,&regs[0]);break;
-    case STORELR:
-      storelr_assemble(0,&regs[0]);break;
-    case COP0:
-      cop0_assemble(0,&regs[0]);break;
-    case COP1:
-      cop1_assemble(0,&regs[0]);break;
-    case C1LS:
-      c1ls_assemble(0,&regs[0]);break;
-    case COP2:
-      cop2_assemble(0,&regs[0]);break;
-    case C2LS:
-      c2ls_assemble(0,&regs[0]);break;
-    case C2OP:
-      c2op_assemble(0,&regs[0]);break;
-    case MULTDIV:
-      multdiv_assemble(0,&regs[0]);
-      multdiv_prepare_stall(0,&regs[0]);
-      break;
-    case MOV:
-      mov_assemble(0,&regs[0]);break;
+  switch (dops[0].itype) {
     case SYSCALL:
     case HLECALL:
     case INTCALL:
@@ -6071,6 +6116,9 @@ static void pagespan_ds()
     case CJUMP:
     case SJUMP:
       SysPrintf("Jump in the delay slot.  This is probably a bug.\n");
+      break;
+    default:
+      assemble(0, &regs[0], 0);
   }
   int btaddr=get_reg(regs[0].regmap,BTREG);
   if(btaddr<0) {
@@ -6772,7 +6820,7 @@ static void new_dynarec_test(void)
     SysPrintf("linkage_arm* miscompilation/breakage detected.\n");
   }
 
-  SysPrintf("testing if we can run recompiled code...\n");
+  SysPrintf("testing if we can run recompiled code @%p...\n", out);
   ((volatile u_int *)out)[0]++; // make cache dirty
 
   for (i = 0; i < ARRAY_SIZE(ret); i++) {
@@ -6810,6 +6858,7 @@ void new_dynarec_clear_full(void)
   literalcount=0;
   stop_after_jal=0;
   inv_code_start=inv_code_end=~0;
+  hack_addr=0;
   f1_hack=0;
   // TLB
   for(n=0;n<4096;n++) ll_clear(jump_in+n);
@@ -6822,16 +6871,24 @@ void new_dynarec_clear_full(void)
 
 void new_dynarec_init(void)
 {
-  SysPrintf("Init new dynarec\n");
+  SysPrintf("Init new dynarec, ndrc size %x\n", (int)sizeof(*ndrc));
 
+#ifdef _3DS
+  check_rosalina();
+#endif
 #ifdef BASE_ADDR_DYNAMIC
   #ifdef VITA
-  sceBlock = sceKernelAllocMemBlockForVM("code", 1 << TARGET_SIZE_2);
-  if (sceBlock < 0)
-    SysPrintf("sceKernelAllocMemBlockForVM failed\n");
+  sceBlock = getVMBlock(); //sceKernelAllocMemBlockForVM("code", sizeof(*ndrc));
+  if (sceBlock <= 0)
+    SysPrintf("sceKernelAllocMemBlockForVM failed: %x\n", sceBlock);
   int ret = sceKernelGetMemBlockBase(sceBlock, (void **)&ndrc);
   if (ret < 0)
-    SysPrintf("sceKernelGetMemBlockBase failed\n");
+    SysPrintf("sceKernelGetMemBlockBase failed: %x\n", ret);
+  sceKernelOpenVMDomain();
+  sceClibPrintf("translation_cache = 0x%08lx\n ", (long)ndrc->translation_cache);
+  #elif defined(_MSC_VER)
+  ndrc = VirtualAlloc(NULL, sizeof(*ndrc), MEM_COMMIT | MEM_RESERVE,
+    PAGE_EXECUTE_READWRITE);
   #else
   uintptr_t desired_addr = 0;
   #ifdef __ELF__
@@ -6849,7 +6906,8 @@ void new_dynarec_init(void)
 #else
   #ifndef NO_WRITE_EXEC
   // not all systems allow execute in data segment by default
-  if (mprotect(ndrc, sizeof(ndrc->translation_cache) + sizeof(ndrc->tramp.ops),
+  // size must be 4K aligned for 3DS?
+  if (mprotect(ndrc, sizeof(*ndrc),
                PROT_READ | PROT_WRITE | PROT_EXEC) != 0)
     SysPrintf("mprotect() failed: %s\n", strerror(errno));
   #endif
@@ -6873,8 +6931,9 @@ void new_dynarec_cleanup(void)
   int n;
 #ifdef BASE_ADDR_DYNAMIC
   #ifdef VITA
-  sceKernelFreeMemBlock(sceBlock);
-  sceBlock = -1;
+  // sceBlock is managed by retroarch's bootstrap code
+  //sceKernelFreeMemBlock(sceBlock);
+  //sceBlock = -1;
   #else
   if (munmap(ndrc, sizeof(*ndrc)) < 0)
     SysPrintf("munmap() failed\n");
@@ -6890,9 +6949,6 @@ void new_dynarec_cleanup(void)
 
 static u_int *get_source_start(u_int addr, u_int *limit)
 {
-  if (!HACK_ENABLED(NDHACK_OVERRIDE_CYCLE_M))
-    cycle_multiplier_override = 0;
-
   if (addr < 0x00200000 ||
     (0xa0000000 <= addr && addr < 0xa0200000))
   {
@@ -6907,7 +6963,7 @@ static u_int *get_source_start(u_int addr, u_int *limit)
     // BIOS. The multiplier should be much higher as it's uncached 8bit mem,
     // but timings in PCSX are too tied to the interpreter's BIAS
     if (!HACK_ENABLED(NDHACK_OVERRIDE_CYCLE_M))
-      cycle_multiplier_override = 200;
+      cycle_multiplier_active = 200;
 
     *limit = (addr & 0xfff00000) | 0x80000;
     return (u_int *)((u_char *)psxR + (addr&0x7ffff));
@@ -7019,6 +7075,43 @@ void new_dynarec_load_blocks(const void *save, int size)
   memcpy(&psxRegs.GPR, regs_save, sizeof(regs_save));
 }
 
+static int apply_hacks(void)
+{
+  int i;
+  if (HACK_ENABLED(NDHACK_NO_COMPAT_HACKS))
+    return 0;
+  /* special hack(s) */
+  for (i = 0; i < slen - 4; i++)
+  {
+    // lui a4, 0xf200; jal <rcnt_read>; addu a0, 2; slti v0, 28224
+    if (source[i] == 0x3c04f200 && dops[i+1].itype == UJUMP
+        && source[i+2] == 0x34840002 && dops[i+3].opcode == 0x0a
+        && imm[i+3] == 0x6e40 && dops[i+3].rs1 == 2)
+    {
+      SysPrintf("PE2 hack @%08x\n", start + (i+3)*4);
+      dops[i + 3].itype = NOP;
+    }
+  }
+  i = slen;
+  if (i > 10 && source[i-1] == 0 && source[i-2] == 0x03e00008
+      && source[i-4] == 0x8fbf0018 && source[i-6] == 0x00c0f809
+      && dops[i-7].itype == STORE)
+  {
+    i = i-8;
+    if (dops[i].itype == IMM16)
+      i--;
+    // swl r2, 15(r6); swr r2, 12(r6); sw r6, *; jalr r6
+    if (dops[i].itype == STORELR && dops[i].rs1 == 6
+      && dops[i-1].itype == STORELR && dops[i-1].rs1 == 6)
+    {
+      SysPrintf("F1 hack from %08x, old dst %08x\n", start, hack_addr);
+      f1_hack = 1;
+      return 1;
+    }
+  }
+  return 0;
+}
+
 int new_recompile_block(u_int addr)
 {
   u_int pagelimit = 0;
@@ -7054,9 +7147,11 @@ int new_recompile_block(u_int addr)
     ll_add_flags(jump_in+page,start,state_rflags,(void *)beginning);
     return 0;
   }
-  else if (f1_hack == ~0u || (f1_hack != 0 && start == f1_hack)) {
+  else if (f1_hack && hack_addr == 0) {
     void *beginning = start_block();
     u_int page = get_page(start);
+    emit_movimm(start, 0);
+    emit_writeword(0, &hack_addr);
     emit_readword(&psxRegs.GPR.n.sp, 0);
     emit_readptr(&mem_rtab, 1);
     emit_shrimm(0, 12, 2);
@@ -7072,10 +7167,12 @@ int new_recompile_block(u_int addr)
 
     ll_add_flags(jump_in + page, start, state_rflags, beginning);
     SysPrintf("F1 hack to   %08x\n", start);
-    f1_hack = start;
     return 0;
   }
 
+  cycle_multiplier_active = cycle_multiplier_override && cycle_multiplier == CYCLE_MULT_DEFAULT
+    ? cycle_multiplier_override : cycle_multiplier;
+
   source = get_source_start(start, &pagelimit);
   if (source == NULL) {
     SysPrintf("Compile at bogus memory address: %08x\n", addr);
@@ -7101,9 +7198,9 @@ int new_recompile_block(u_int addr)
 
   /* Pass 1 disassembly */
 
-  for(i=0;!done;i++) {
-    dops[i].bt=0;
-    dops[i].ooo=0;
+  for (i = 0; !done; i++)
+  {
+    memset(&dops[i], 0, sizeof(dops[i]));
     op2=0;
     minimum_free_regs[i]=0;
     dops[i].opcode=op=source[i]>>26;
@@ -7122,7 +7219,7 @@ int new_recompile_block(u_int addr)
           case 0x08: strcpy(insn[i],"JR"); type=RJUMP; break;
           case 0x09: strcpy(insn[i],"JALR"); type=RJUMP; break;
           case 0x0C: strcpy(insn[i],"SYSCALL"); type=SYSCALL; break;
-          case 0x0D: strcpy(insn[i],"BREAK"); type=OTHER; break;
+          case 0x0D: strcpy(insn[i],"BREAK"); type=SYSCALL; break;
           case 0x0F: strcpy(insn[i],"SYNC"); type=OTHER; break;
           case 0x10: strcpy(insn[i],"MFHI"); type=MOV; break;
           case 0x11: strcpy(insn[i],"MTHI"); type=MOV; break;
@@ -7543,12 +7640,12 @@ int new_recompile_block(u_int addr)
           do_in_intrp=1;
         }
       }
-      if(do_in_intrp) {
-        dops[i-1].rs1=CCREG;
-        dops[i-1].rs2=dops[i-1].rt1=dops[i-1].rt2=0;
-        ba[i-1]=-1;
-        dops[i-1].itype=INTCALL;
-        done=2;
+      if (do_in_intrp) {
+        memset(&dops[i-1], 0, sizeof(dops[i-1]));
+        dops[i-1].itype = INTCALL;
+        dops[i-1].rs1 = CCREG;
+        ba[i-1] = -1;
+        done = 2;
         i--; // don't compile the DS
       }
     }
@@ -7568,9 +7665,9 @@ int new_recompile_block(u_int addr)
       // Don't get too close to the limit
       if(i>MAXBLOCK/2) done=1;
     }
-    if(dops[i].itype==SYSCALL&&stop_after_jal) done=1;
-    if(dops[i].itype==HLECALL||dops[i].itype==INTCALL) done=2;
-    if(done==2) {
+    if (dops[i].itype == SYSCALL || dops[i].itype == HLECALL || dops[i].itype == INTCALL)
+      done = stop_after_jal ? 1 : 2;
+    if (done == 2) {
       // Does the block continue due to a branch?
       for(j=i-1;j>=0;j--)
       {
@@ -7597,23 +7694,7 @@ int new_recompile_block(u_int addr)
   }
   assert(slen>0);
 
-  /* spacial hack(s) */
-  if (i > 10 && source[i-1] == 0 && source[i-2] == 0x03e00008
-      && source[i-4] == 0x8fbf0018 && source[i-6] == 0x00c0f809
-      && dops[i-7].itype == STORE)
-  {
-    i = i-8;
-    if (dops[i].itype == IMM16)
-      i--;
-    // swl r2, 15(r6); swr r2, 12(r6); sw r6, *; jalr r6
-    if (dops[i].itype == STORELR && dops[i].rs1 == 6
-      && dops[i-1].itype == STORELR && dops[i-1].rs1 == 6)
-    {
-      SysPrintf("F1 hack from %08x\n", start);
-      if (f1_hack == 0)
-        f1_hack = ~0u;
-    }
-  }
+  int clear_hack_addr = apply_hacks();
 
   /* Pass 2 - Register dependencies and branch targets */
 
@@ -7622,14 +7703,16 @@ int new_recompile_block(u_int addr)
   /* Pass 3 - Register allocation */
 
   struct regstat current; // Current register allocations/status
-  current.dirty=0;
-  current.u=unneeded_reg[0];
+  clear_all_regs(current.regmap_entry);
   clear_all_regs(current.regmap);
-  alloc_reg(&current,0,CCREG);
-  dirty_reg(&current,CCREG);
-  current.isconst=0;
-  current.wasconst=0;
-  current.waswritten=0;
+  current.wasdirty = current.dirty = 0;
+  current.u = unneeded_reg[0];
+  alloc_reg(&current, 0, CCREG);
+  dirty_reg(&current, CCREG);
+  current.wasconst = 0;
+  current.isconst = 0;
+  current.loadedconst = 0;
+  current.waswritten = 0;
   int ds=0;
   int cc=0;
   int hr=-1;
@@ -7660,6 +7743,9 @@ int new_recompile_block(u_int addr)
     memcpy(regmap_pre[i],current.regmap,sizeof(current.regmap));
     regs[i].wasconst=current.isconst;
     regs[i].wasdirty=current.dirty;
+    regs[i].dirty=0;
+    regs[i].u=0;
+    regs[i].isconst=0;
     regs[i].loadedconst=0;
     if (!dops[i].is_jump) {
       if(i+1<slen) {
@@ -7673,7 +7759,10 @@ int new_recompile_block(u_int addr)
         current.u=branch_unneeded_reg[i]&~((1LL<<dops[i+1].rs1)|(1LL<<dops[i+1].rs2));
         current.u&=~((1LL<<dops[i].rs1)|(1LL<<dops[i].rs2));
         current.u|=1;
-      } else { SysPrintf("oops, branch at end of block with no delay slot\n");abort(); }
+      } else {
+        SysPrintf("oops, branch at end of block with no delay slot @%08x\n", start + i*4);
+        abort();
+      }
     }
     dops[i].is_ds=ds;
     if(ds) {
@@ -8226,7 +8315,7 @@ int new_recompile_block(u_int addr)
     }
 
     // Count cycles in between branches
-    ccadj[i]=cc;
+    ccadj[i] = CLOCK_ADJUST(cc);
     if (i > 0 && (dops[i-1].is_jump || dops[i].itype == SYSCALL || dops[i].itype == HLECALL))
     {
       cc=0;
@@ -8455,7 +8544,8 @@ int new_recompile_block(u_int addr)
             if((regs[i].regmap[hr]&63)!=dops[i].rt1 && (regs[i].regmap[hr]&63)!=dops[i].rt2 &&
                regs[i].regmap[hr]!=dops[i].rs1 && regs[i].regmap[hr]!=dops[i].rs2 &&
                (regs[i].regmap[hr]&63)!=temp && regs[i].regmap[hr]!=map1 && regs[i].regmap[hr]!=map2 &&
-               (dops[i].itype!=SPAN||regs[i].regmap[hr]!=CCREG))
+               //(dops[i].itype!=SPAN||regs[i].regmap[hr]!=CCREG)
+               regs[i].regmap[hr] != CCREG)
             {
               if(i<slen-1&&!dops[i].is_ds) {
                 assert(regs[i].regmap[hr]<64);
@@ -8858,7 +8948,10 @@ int new_recompile_block(u_int addr)
             if(get_reg(regs[i+1].regmap,dops[i+1].rs1)<0) {
               hr=get_reg2(regs[i].regmap,regs[i+1].regmap,-1);
               if(hr<0) hr=get_reg(regs[i+1].regmap,-1);
-              else {regs[i+1].regmap[hr]=AGEN1+((i+1)&1);regs[i+1].isconst&=~(1<<hr);}
+              else {
+                regs[i+1].regmap[hr]=AGEN1+((i+1)&1);
+                regs[i+1].isconst&=~(1<<hr);
+              }
               assert(hr>=0);
               if(regs[i].regmap[hr]<0&&regs[i+1].regmap_entry[hr]<0)
               {
@@ -8955,7 +9048,7 @@ int new_recompile_block(u_int addr)
     dops[slen-1].bt=1; // Mark as a branch target so instruction can restart after exception
   }
 
-#ifdef DISASM
+#ifdef REG_ALLOC_PRINT
   /* Debug/disassembly */
   for(i=0;i<slen;i++)
   {
@@ -9087,7 +9180,7 @@ int new_recompile_block(u_int addr)
       #endif
     }
   }
-#endif // DISASM
+#endif // REG_ALLOC_PRINT
 
   /* Pass 8 - Assembly */
   linkcount=0;stubcount=0;
@@ -9148,7 +9241,12 @@ int new_recompile_block(u_int addr)
       // branch target entry point
       instr_addr[i] = out;
       assem_debug("<->\n");
-      drc_dbg_emit_do_cmp(i);
+      drc_dbg_emit_do_cmp(i, ccadj[i]);
+      if (clear_hack_addr) {
+        emit_movimm(0, 0);
+        emit_writeword(0, &hack_addr);
+        clear_hack_addr = 0;
+      }
 
       // load regs
       if(regs[i].regmap_entry[HOST_CCREG]==CCREG&&regs[i].regmap[HOST_CCREG]!=CCREG)
@@ -9179,65 +9277,15 @@ int new_recompile_block(u_int addr)
             load_regs(regs[i].regmap_entry,regs[i].regmap,dops[i+1].rs2,dops[i+1].rs2);
       }
       // TODO: if(is_ooo(i)) address_generation(i+1);
-      if (dops[i].itype == CJUMP)
+      if (!dops[i].is_jump || dops[i].itype == CJUMP)
         load_regs(regs[i].regmap_entry,regs[i].regmap,CCREG,CCREG);
       if (ram_offset && (dops[i].is_load || dops[i].is_store))
         load_regs(regs[i].regmap_entry,regs[i].regmap,ROREG,ROREG);
       if (dops[i].is_store)
         load_regs(regs[i].regmap_entry,regs[i].regmap,INVCP,INVCP);
-      // assemble
-      switch(dops[i].itype) {
-        case ALU:
-          alu_assemble(i,&regs[i]);break;
-        case IMM16:
-          imm16_assemble(i,&regs[i]);break;
-        case SHIFT:
-          shift_assemble(i,&regs[i]);break;
-        case SHIFTIMM:
-          shiftimm_assemble(i,&regs[i]);break;
-        case LOAD:
-          load_assemble(i,&regs[i]);break;
-        case LOADLR:
-          loadlr_assemble(i,&regs[i]);break;
-        case STORE:
-          store_assemble(i,&regs[i]);break;
-        case STORELR:
-          storelr_assemble(i,&regs[i]);break;
-        case COP0:
-          cop0_assemble(i,&regs[i]);break;
-        case COP1:
-          cop1_assemble(i,&regs[i]);break;
-        case C1LS:
-          c1ls_assemble(i,&regs[i]);break;
-        case COP2:
-          cop2_assemble(i,&regs[i]);break;
-        case C2LS:
-          c2ls_assemble(i,&regs[i]);break;
-        case C2OP:
-          c2op_assemble(i,&regs[i]);break;
-        case MULTDIV:
-          multdiv_assemble(i,&regs[i]);
-          multdiv_prepare_stall(i,&regs[i]);
-          break;
-        case MOV:
-          mov_assemble(i,&regs[i]);break;
-        case SYSCALL:
-          syscall_assemble(i,&regs[i]);break;
-        case HLECALL:
-          hlecall_assemble(i,&regs[i]);break;
-        case INTCALL:
-          intcall_assemble(i,&regs[i]);break;
-        case UJUMP:
-          ujump_assemble(i,&regs[i]);ds=1;break;
-        case RJUMP:
-          rjump_assemble(i,&regs[i]);ds=1;break;
-        case CJUMP:
-          cjump_assemble(i,&regs[i]);ds=1;break;
-        case SJUMP:
-          sjump_assemble(i,&regs[i]);ds=1;break;
-        case SPAN:
-          pagespan_assemble(i,&regs[i]);break;
-      }
+
+      ds = assemble(i, &regs[i], ccadj[i]);
+
       if (dops[i].is_ujump)
         literal_pool(1024);
       else
@@ -9259,7 +9307,7 @@ int new_recompile_block(u_int addr)
         store_regs_bt(regs[i-1].regmap,regs[i-1].dirty,start+i*4);
         if(regs[i-1].regmap[HOST_CCREG]!=CCREG)
           emit_loadreg(CCREG,HOST_CCREG);
-        emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i-1]+1),HOST_CCREG);
+        emit_addimm(HOST_CCREG, ccadj[i-1] + CLOCK_ADJUST(1), HOST_CCREG);
       }
       else
       {
@@ -9277,7 +9325,7 @@ int new_recompile_block(u_int addr)
     store_regs_bt(regs[i-1].regmap,regs[i-1].dirty,start+i*4);
     if(regs[i-1].regmap[HOST_CCREG]!=CCREG)
       emit_loadreg(CCREG,HOST_CCREG);
-    emit_addimm(HOST_CCREG,CLOCK_ADJUST(ccadj[i-1]+1),HOST_CCREG);
+    emit_addimm(HOST_CCREG, ccadj[i-1] + CLOCK_ADJUST(1), HOST_CCREG);
     add_to_linker(out,start+i*4,0);
     emit_jmp(0);
   }