X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcarthw%2Fsvp%2Fcompiler.c;h=211fa17394a7cd126a0a7da05dc08cdb6dee3c2c;hb=5d817c9138803d43a16990a8645c59f5a763b960;hp=9cba5f896f0e68dc7241e0ce4ad9fdd904e7f3c5;hpb=12f0f94d1595ac3bf4a33ded6023197b22572163;p=picodrive.git

diff --git a/Pico/carthw/svp/compiler.c b/Pico/carthw/svp/compiler.c
index 9cba5f8..211fa17 100644
--- a/Pico/carthw/svp/compiler.c
+++ b/Pico/carthw/svp/compiler.c
@@ -2,163 +2,820 @@
 // 14 IRAM blocks
 
 #include "../../PicoInt.h"
+#include "compiler.h"
 
-#define TCACHE_SIZE (256*1024)
-static unsigned short *block_table[0x5090/2];
-static unsigned short *tcache = NULL;
-static unsigned short *tcache_ptr = NULL;
+static unsigned int *block_table[0x5090/2];
+static unsigned int *block_table_iram[15][0x800/2];
+static unsigned int *tcache_ptr = NULL;
 
 static int had_jump = 0;
 static int nblocks = 0;
+static int iram_context = 0;
+
+#ifndef ARM
+#define DUMP_BLOCK 0x40b0
+unsigned int tcache[512*1024];
+void regfile_load(void){}
+void regfile_store(void){}
+#endif
 
 #define EMBED_INTERPRETER
 #define ssp1601_reset ssp1601_reset_local
 #define ssp1601_run ssp1601_run_local
 
-static unsigned int interp_get_pc(void);
-
-#define GET_PC interp_get_pc
-#define GET_PPC_OFFS() (interp_get_pc()*2 - 2)
+#define GET_PC() rPC
+#define GET_PPC_OFFS() (GET_PC()*2 - 2)
 #define SET_PC(d) { had_jump = 1; rPC = d; }		/* must return to dispatcher after this */
 //#define GET_PC() (PC - (unsigned short *)svp->iram_rom)
 //#define GET_PPC_OFFS() ((unsigned int)PC - (unsigned int)svp->iram_rom - 2)
 //#define SET_PC(d) PC = (unsigned short *)svp->iram_rom + d
 
 #include "ssp16.c"
+#include "gen_arm.c"
 
 // -----------------------------------------------------
 
-static unsigned int crctable[256] =
-{
- 0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
- 0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
- 0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L,
- 0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L,
- 0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL,
- 0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L,
- 0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL,
- 0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
- 0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L,
- 0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
- 0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L,
- 0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
- 0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L,
- 0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
- 0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L,
- 0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
- 0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL,
- 0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
- 0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L,
- 0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
- 0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL,
- 0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
- 0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL,
- 0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
- 0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L,
- 0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
- 0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L,
- 0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
- 0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L,
- 0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
- 0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L,
- 0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
- 0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL,
- 0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
- 0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L,
- 0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
- 0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL,
- 0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
- 0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL,
- 0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
- 0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L,
- 0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
- 0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L,
- 0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
- 0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L,
- 0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
- 0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L,
- 0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
- 0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL,
- 0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
- 0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L,
- 0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
- 0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL,
- 0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
- 0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL,
- 0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
- 0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
- 0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
- 0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
- 0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
- 0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
- 0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
- 0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L,
- 0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
-};
+// ld d, s
+static void op00(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	PC = ((unsigned short *)(void *)&op) + 1; /* FIXME: needed for interpreter */
+	if (op == 0) return; // nop
+	if (op == ((SSP_A<<4)|SSP_P)) { // A <- P
+		// not sure. MAME claims that only hi word is transfered.
+		read_P(); // update P
+		rA32 = rP.v;
+	}
+	else
+	{
+		tmpv = REG_READ(op & 0x0f);
+		REG_WRITE((op & 0xf0) >> 4, tmpv);
+	}
+}
+
+// ld d, (ri)
+static void op01(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv);
+}
+
+// ld (ri), s
+static void op02(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = REG_READ((op & 0xf0) >> 4); ptr1_write(op, tmpv);
+}
+
+// ldi d, imm
+static void op04(unsigned int op, unsigned int imm)
+{
+	REG_WRITE((op & 0xf0) >> 4, imm);
+}
+
+// ld d, ((ri))
+static void op05(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv);
+}
+
+// ldi (ri), imm
+static void op06(unsigned int op, unsigned int imm)
+{
+	ptr1_write(op, imm);
+}
+
+// ld adr, a
+static void op07(unsigned int op, unsigned int imm)
+{
+	ssp->RAM[op & 0x1ff] = rA;
+}
+
+// ld d, ri
+static void op09(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[(op&3)|((op>>6)&4)]; REG_WRITE((op & 0xf0) >> 4, tmpv);
+}
+
+// ld ri, s
+static void op0a(unsigned int op, unsigned int imm)
+{
+	rIJ[(op&3)|((op>>6)&4)] = REG_READ((op & 0xf0) >> 4);
+}
+
+// ldi ri, simm (also op0d op0e op0f)
+static void op0c(unsigned int op, unsigned int imm)
+{
+	rIJ[(op>>8)&7] = op;
+}
+
+// call cond, addr
+static void op24(unsigned int op, unsigned int imm)
+{
+	int cond = 0;
+	do {
+		COND_CHECK
+		if (cond) { int new_PC = imm; write_STACK(GET_PC()); SET_PC(new_PC); }
+	}
+	while (0);
+}
+
+// ld d, (a)
+static void op25(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ((unsigned short *)svp->iram_rom)[rA]; REG_WRITE((op & 0xf0) >> 4, tmpv);
+}
+
+// bra cond, addr
+static void op26(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		int cond = 0;
+		COND_CHECK
+		if (cond) SET_PC(imm);
+	}
+	while (0);
+}
+
+// mod cond, op
+static void op48(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		int cond = 0;
+		COND_CHECK
+		if (cond) {
+			switch (op & 7) {
+				case 2: rA32 = (signed int)rA32 >> 1; break; // shr (arithmetic)
+				case 3: rA32 <<= 1; break; // shl
+				case 6: rA32 = -(signed int)rA32; break; // neg
+				case 7: if ((int)rA32 < 0) rA32 = -(signed int)rA32; break; // abs
+				default: elprintf(EL_SVP|EL_ANOMALY, "ssp FIXME: unhandled mod %i @ %04x",
+							 op&7, GET_PPC_OFFS());
+			}
+			UPD_ACC_ZN // ?
+		}
+	}
+	while(0);
+}
+
+// mpys?
+static void op1b(unsigned int op, unsigned int imm)
+{
+	read_P(); // update P
+	rA32 -= rP.v;			// maybe only upper word?
+	UPD_ACC_ZN			// there checking flags after this
+	rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
+	rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
+}
+
+// mpya (rj), (ri), b
+static void op4b(unsigned int op, unsigned int imm)
+{
+	read_P(); // update P
+	rA32 += rP.v; // confirmed to be 32bit
+	UPD_ACC_ZN // ?
+	rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
+	rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
+}
+
+// mld (rj), (ri), b
+static void op5b(unsigned int op, unsigned int imm)
+{
+	rA32 = 0;
+	rST &= 0x0fff; // ?
+	rX = ptr1_read_(op&3, 0, (op<<1)&0x18); // ri (maybe rj?)
+	rY = ptr1_read_((op>>4)&3, 4, (op>>3)&0x18); // rj
+}
+
+// OP a, s
+static void op10(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		unsigned int tmpv;
+		OP_CHECK32(OP_SUBA32); tmpv = REG_READ(op & 0x0f); OP_SUBA(tmpv);
+	}
+	while(0);
+}
+
+static void op30(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		unsigned int tmpv;
+		OP_CHECK32(OP_CMPA32); tmpv = REG_READ(op & 0x0f); OP_CMPA(tmpv);
+	}
+	while(0);
+}
+
+static void op40(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		unsigned int tmpv;
+		OP_CHECK32(OP_ADDA32); tmpv = REG_READ(op & 0x0f); OP_ADDA(tmpv);
+	}
+	while(0);
+}
+
+static void op50(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		unsigned int tmpv;
+		OP_CHECK32(OP_ANDA32); tmpv = REG_READ(op & 0x0f); OP_ANDA(tmpv);
+	}
+	while(0);
+}
+
+static void op60(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		unsigned int tmpv;
+		OP_CHECK32(OP_ORA32 ); tmpv = REG_READ(op & 0x0f); OP_ORA (tmpv);
+	}
+	while(0);
+}
+
+static void op70(unsigned int op, unsigned int imm)
+{
+	do
+	{
+		unsigned int tmpv;
+		OP_CHECK32(OP_EORA32); tmpv = REG_READ(op & 0x0f); OP_EORA(tmpv);
+	}
+	while(0);
+}
+
+// OP a, (ri)
+static void op11(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); OP_SUBA(tmpv);
+}
+
+static void op31(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); OP_CMPA(tmpv);
+}
+
+static void op41(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); OP_ADDA(tmpv);
+}
+
+static void op51(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); OP_ANDA(tmpv);
+}
+
+static void op61(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); OP_ORA (tmpv);
+}
+
+static void op71(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr1_read(op); OP_EORA(tmpv);
+}
+
+// OP a, adr
+static void op03(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_LDA (tmpv);
+}
+
+static void op13(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_SUBA(tmpv);
+}
+
+static void op33(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_CMPA(tmpv);
+}
+
+static void op43(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_ADDA(tmpv);
+}
+
+static void op53(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_ANDA(tmpv);
+}
+
+static void op63(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_ORA (tmpv);
+}
+
+static void op73(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ssp->RAM[op & 0x1ff]; OP_EORA(tmpv);
+}
+
+// OP a, imm
+static void op14(unsigned int op, unsigned int imm)
+{
+	OP_SUBA(imm);
+}
+
+static void op34(unsigned int op, unsigned int imm)
+{
+	OP_CMPA(imm);
+}
+
+static void op44(unsigned int op, unsigned int imm)
+{
+	OP_ADDA(imm);
+}
+
+static void op54(unsigned int op, unsigned int imm)
+{
+	OP_ANDA(imm);
+}
+
+static void op64(unsigned int op, unsigned int imm)
+{
+	OP_ORA (imm);
+}
 
-static u32 chksum_crc32 (unsigned char *block, unsigned int length)
+static void op74(unsigned int op, unsigned int imm)
 {
-   register u32 crc;
-   unsigned long i;
+	OP_EORA(imm);
+}
+
+// OP a, ((ri))
+static void op15(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); OP_SUBA(tmpv);
+}
+
+static void op35(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); OP_CMPA(tmpv);
+}
+
+static void op45(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); OP_ADDA(tmpv);
+}
+
+static void op55(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); OP_ANDA(tmpv);
+}
+
+static void op65(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); OP_ORA (tmpv);
+}
+
+static void op75(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = ptr2_read(op); OP_EORA(tmpv);
+}
+
+// OP a, ri
+static void op19(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[IJind]; OP_SUBA(tmpv);
+}
+
+static void op39(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[IJind]; OP_CMPA(tmpv);
+}
+
+static void op49(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[IJind]; OP_ADDA(tmpv);
+}
+
+static void op59(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[IJind]; OP_ANDA(tmpv);
+}
+
+static void op69(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[IJind]; OP_ORA (tmpv);
+}
+
+static void op79(unsigned int op, unsigned int imm)
+{
+	unsigned int tmpv;
+	tmpv = rIJ[IJind]; OP_EORA(tmpv);
+}
 
-   crc = 0xFFFFFFFF;
-   for (i = 0; i < length; i++)
-   {
-      crc = ((crc >> 8) & 0x00FFFFFF) ^ crctable[(crc ^ *block++) & 0xFF];
-   }
-   return (crc ^ 0xFFFFFFFF);
+// OP simm
+static void op1c(unsigned int op, unsigned int imm)
+{
+	OP_SUBA(op & 0xff);
+}
+
+static void op3c(unsigned int op, unsigned int imm)
+{
+	OP_CMPA(op & 0xff);
+}
+
+static void op4c(unsigned int op, unsigned int imm)
+{
+	OP_ADDA(op & 0xff);
+}
+
+static void op5c(unsigned int op, unsigned int imm)
+{
+	OP_ANDA(op & 0xff);
 }
 
-static int iram_crcs[32] = { 0, };
+static void op6c(unsigned int op, unsigned int imm)
+{
+	OP_ORA (op & 0xff);
+}
+
+static void op7c(unsigned int op, unsigned int imm)
+{
+	OP_EORA(op & 0xff);
+}
+
+typedef void (in_func)(unsigned int op, unsigned int imm);
+
+static in_func *in_funcs[0x80] =
+{
+	op00, op01, op02, op03, op04, op05, op06, op07,
+	NULL, op09, op0a, NULL, op0c, op0c, op0c, op0c,
+	op10, op11, NULL, op13, op14, op15, NULL, NULL,
+	NULL, op19, NULL, op1b, op1c, NULL, NULL, NULL,
+	NULL, NULL, NULL, NULL, op24, op25, op26, NULL,
+	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	op30, op31, NULL, op33, op34, op35, NULL, NULL,
+	NULL, op39, NULL, NULL, op3c, NULL, NULL, NULL,
+	op40, op41, NULL, op43, op44, op45, NULL, NULL,
+	op48, op49, NULL, op4b, op4c, NULL, NULL, NULL,
+	op50, op51, NULL, op53, op54, op55, NULL, NULL,
+	NULL, op59, NULL, op5b, op5c, NULL, NULL, NULL,
+	op60, op61, NULL, op63, op64, op65, NULL, NULL,
+	NULL, op69, NULL, NULL, op6c, NULL, NULL, NULL,
+	op70, op71, NULL, op73, op74, op75, NULL, NULL,
+	NULL, op79, NULL, NULL, op7c, NULL, NULL, NULL,
+};
 
 // -----------------------------------------------------
 
-#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x]
+static unsigned char iram_context_map[] =
+{
+	 0, 0, 0, 0, 1, 0, 0, 0, // 04
+	 0, 0, 0, 0, 0, 0, 2, 0, // 0e
+	 0, 0, 0, 0, 0, 3, 0, 4, // 15 17
+	 5, 0, 0, 6, 0, 7, 0, 0, // 18 1b 1d
+	 8, 9, 0, 0, 0,10, 0, 0, // 20 21 25
+	 0, 0, 0, 0, 0, 0, 0, 0,
+	 0, 0,11, 0, 0,12, 0, 0, // 32 35
+	13,14, 0, 0, 0, 0, 0, 0  // 38 39
+};
 
-static u32 interp_get_pc(void)
+static int get_iram_context(void)
 {
-	unsigned short *pc1 = PC;
-	int i;
-	while (pc1[-1] != 0xfe01) pc1--;		// goto current block start
-	for (i = 0; i < 0x5090/2; i++)
-		if (block_table[i] == pc1) break;
+	unsigned char *ir = (unsigned char *)svp->iram_rom;
+	int val1, val = ir[0x083^1] + ir[0x4FA^1] + ir[0x5F7^1] + ir[0x47B^1];
+	val1 = iram_context_map[(val>>1)&0x3f];
 
-	if (i == 0x5090/2) {
-		printf("block not found!\n");
+	if (val1 == 0) {
+		printf("val: %02x PC=%04x\n", (val>>1)&0x3f, rPC);
+		//debug_dump2file(name, svp->iram_rom, 0x800);
 		exit(1);
 	}
+//	elprintf(EL_ANOMALY, "iram_context: %02i", val1);
+	return val1;
+}
 
-	return i + (PC - pc1);
+// -----------------------------------------------------
+/*
+enum {
+	SSP_GR0, SSP_X,     SSP_Y,   SSP_A,
+	SSP_ST,  SSP_STACK, SSP_PC,  SSP_P,
+	SSP_PM0, SSP_PM1,   SSP_PM2, SSP_XST,
+	SSP_PM4, SSP_gr13,  SSP_PMC, SSP_AL
+};
+*/
+/* regs with known values */
+static struct
+{
+	ssp_reg_t gr[8];
+	unsigned char r[8];
+} const_regs;
+
+#define CRREG_X     (1 << SSP_X)
+#define CRREG_Y     (1 << SSP_Y)
+#define CRREG_A     (1 << SSP_A)	/* AH only */
+#define CRREG_ST    (1 << SSP_ST)
+#define CRREG_STACK (1 << SSP_STACK)
+#define CRREG_PC    (1 << SSP_PC)
+#define CRREG_P     (1 << SSP_P)
+#define CRREG_PR0   (1 << 8)
+#define CRREG_PR4   (1 << 12)
+#define CRREG_AL    (1 << 16)
+
+static u32 const_regb = 0;		/* bitfield of known register values */
+static u32 dirty_regb = 0;		/* known vals, which need to be flushed (only r0-r7) */
+
+/* known values of host regs.
+ * -1          - unknown
+ * 00000-0ffff - 16bit value
+ * 10000-1ffff - base reg (r7) + 16bit val
+ * 20000       - means reg (low) eq AH
+ */
+static int hostreg_r[4];
+
+static void hostreg_clear(void)
+{
+	int i;
+	for (i = 0; i < 4; i++)
+		hostreg_r[i] = -1;
 }
 
-static void translate_block(int pc)
+/*static*/ void hostreg_ah_changed(void)
 {
-	int tmp, op, op1, icount = 0;
+	int i;
+	for (i = 0; i < 4; i++)
+		if (hostreg_r[i] == 0x20000) hostreg_r[i] = -1;
+}
 
-	block_table[pc] = tcache_ptr;
 
-	//printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<1);
-	for (;;)
+#define PROGRAM(x) ((unsigned short *)svp->iram_rom)[x]
+
+/* load 16bit val into host reg r0-r3. Nothing is trashed */
+static void tr_mov16(int r, int val)
+{
+	if (hostreg_r[r] != val) {
+		emit_mov_const(r, val);
+		hostreg_r[r] = val;
+	}
+}
+
+/* write dirty r0-r7 to host regs. Nothing is trashed */
+static void tr_flush_dirty(void)
+{
+	int i, ror = 0, reg;
+	dirty_regb >>= 8;
+	/* r0-r7 */
+	for (i = 0; dirty_regb && i < 8; i++, dirty_regb >>= 1)
 	{
+		if (!(dirty_regb&1)) continue;
+		switch (i&3) {
+			case 0: ror =    0; break;
+			case 1: ror = 24/2; break;
+			case 2: ror = 16/2; break;
+		}
+		reg = (i < 4) ? 8 : 9;
+		EOP_BIC_IMM(reg,reg,ror,0xff);
+		if (const_regs.r[i] != 0)
+			EOP_ORR_IMM(reg,reg,ror,const_regs.r[i]);
+	}
+}
+
+/* read bank word to r0 (MSW may contain trash). Thrashes r1. */
+static void tr_bank_read(int addr) /* word addr 0-0x1ff */
+{
+	if (addr&1) {
+		int breg = 7;
+		if (addr > 0x7f) {
+			if (hostreg_r[1] != (0x10000|((addr&0x180)<<1))) {
+				EOP_ADD_IMM(1,7,30/2,(addr&0x180)>>1);	// add  r1, r7, ((op&0x180)<<1)
+				hostreg_r[1] = 0x10000|((addr&0x180)<<1);
+			}
+			breg = 1;
+		}
+		EOP_LDRH_IMM(0,breg,(addr&0x7f)<<1);	// ldrh r0, [r1, (op&0x7f)<<1]
+	} else {
+		EOP_LDR_IMM(0,7,(addr&0x1ff)<<1);	// ldr  r0, [r1, (op&0x1ff)<<1]
+	}
+	hostreg_r[0] = -1;
+}
+
+/* write r0 to bank. Trashes r1. */
+static void tr_bank_write(int addr)
+{
+	int breg = 7;
+	if (addr > 0x7f) {
+		if (hostreg_r[1] != (0x10000|((addr&0x180)<<1))) {
+			EOP_ADD_IMM(1,7,30/2,(addr&0x180)>>1);	// add  r1, r7, ((op&0x180)<<1)
+			hostreg_r[1] = 0x10000|((addr&0x180)<<1);
+		}
+		breg = 1;
+	}
+	EOP_STRH_IMM(0,breg,(addr&0x7f)<<1);		// str  r0, [r1, (op&0x7f)<<1]
+}
+
+/* handle RAM bank pointer modifiers. Nothing is trashed. */
+static void tr_ptrr_mod(int r, int mod, int need_modulo)
+{
+	int modulo = -1, modulo_shift = -1;	/* unknown */
+
+	if (mod == 0) return;
+
+	if (!need_modulo || mod == 1) // +!
+		modulo_shift = 8;
+	else if (need_modulo && (const_regb & CRREG_ST)) {
+		modulo_shift = const_regs.gr[SSP_ST].h & 7;
+		if (modulo_shift == 0) modulo_shift = 8;
+	}
+
+	if (mod > 1 && modulo_shift == -1) { printf("need var modulo\n"); exit(1); }
+	modulo = (1 << modulo_shift) - 1;
+
+	if (const_regb & (1 << (r + 8))) {
+		if (mod == 2)
+		     const_regs.r[r] = (const_regs.r[r] & ~modulo) | ((const_regs.r[r] - 1) & modulo);
+		else const_regs.r[r] = (const_regs.r[r] & ~modulo) | ((const_regs.r[r] + 1) & modulo);
+	} else {
+		int reg = (r < 4) ? 8 : 9;
+		int ror = ((r&3) + 1)*8 - (8 - modulo_shift);
+		EOP_MOV_REG_ROR(reg,reg,ror);
+		// {add|sub} reg, reg, #1<<shift
+		EOP_C_DOP_IMM(A_COND_AL,(mod==2)?A_OP_SUB:A_OP_ADD,0,reg,reg, 8/2, 1<<(8 - modulo_shift));
+		EOP_MOV_REG_ROR(reg,reg,32-ror);
+	}
+}
+
+
+static int translate_op(unsigned int op, int *pc, int imm)
+{
+	u32 tmpv;
+	int ret = 0;
+
+	switch (op >> 9)
+	{
+		// ld d, s
+		case 0x00:
+			if (op == 0) { ret++; break; } // nop
+			break;
+
+		// ld a, adr
+		case 0x03:
+			tr_bank_read(op&0x1ff);
+			EOP_MOV_REG_LSL(5, 5, 16);		// mov  r5, r5, lsl #16
+			EOP_MOV_REG_LSR(5, 5, 16);		// mov  r5, r5, lsl #16  @ AL
+			EOP_ORR_REG_LSL(5, 5, 0, 16);		// orr  r5, r5, r0, lsl #16
+			const_regb &= ~CRREG_A;
+			hostreg_r[0] = 0x20000;
+			ret++; break;
+
+		// ldi (ri), imm
+		case 0x06:
+			//tmpv = *PC++; ptr1_write(op, tmpv); break;
+			// int t = (op&3) | ((op>>6)&4) | ((op<<1)&0x18);
+			tr_mov16(0, imm);
+			if ((op&3) == 3)
+			{
+				tmpv = (op>>2) & 3; // direct addressing
+				if (op & 0x100) {
+					if (hostreg_r[1] != 0x10200) {
+						EOP_ADD_IMM(1,7,30/2,0x200>>2);	// add  r1, r7, 0x200
+						hostreg_r[1] = 0x10200;
+					}
+					EOP_STRH_IMM(0,1,tmpv<<1);	// str  r0, [r1, {0,2,4,6}]
+				} else {
+					EOP_STRH_IMM(0,7,tmpv<<1);	// str  r0, [r7, {0,2,4,6}]
+				}
+			}
+			else
+			{
+				int r = (op&3) | ((op>>6)&4);
+				if (const_regb & (1 << (r + 8))) {
+					tr_bank_write(const_regs.r[r] | ((r < 4) ? 0 : 0x100));
+				} else {
+					int reg = (r < 4) ? 8 : 9;
+					int ror = ((4 - (r&3))*8) & 0x1f;
+					EOP_AND_IMM(1,reg,ror/2,0xff);			// and r1, r{7,8}, <mask>
+					if (r >= 4)
+						EOP_ORR_IMM(1,1,((ror-8)&0x1f)/2,1);		// orr r1, r1, 1<<shift
+					if (r&3) EOP_ADD_REG_LSR(1,7,1, (r&3)*8-1);	// add r1, r7, r1, lsr #lsr
+					else     EOP_ADD_REG_LSL(1,7,1,1);
+					EOP_STRH_SIMPLE(0,1);				// strh r0, [r1]
+					hostreg_r[1] = -1;
+				}
+				tr_ptrr_mod(r, (op>>2) & 3, 0);
+			}
+			ret++; break;
+
+		// ld adr, a
+		case 0x07:
+			if (hostreg_r[0] != 0x20000) {
+				EOP_MOV_REG_LSR(0, 5, 16);		// mov  r0, r5, lsr #16  @ A
+				hostreg_r[0] = 0x20000;
+			}
+			tr_bank_write(op&0x1ff);
+			ret++; break;
+
+		// ldi ri, simm
+		case 0x0c ... 0x0f:
+			tmpv = (op>>8)&7;
+			const_regs.r[tmpv] = op;
+			const_regb |= 1 << (tmpv + 8);
+			dirty_regb |= 1 << (tmpv + 8);
+			ret++; break;
+	}
+
+	return ret;
+}
+
+static void *translate_block(int pc)
+{
+	unsigned int op, op1, imm, ccount = 0;
+	unsigned int *block_start;
+	int ret;
+
+	// create .pool
+	//*tcache_ptr++ = (u32) in_funcs;			// -1 func pool
+
+	printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<2);
+	block_start = tcache_ptr;
+	const_regb = dirty_regb = 0;
+	hostreg_clear();
+
+	emit_block_prologue();
+
+	for (; ccount < 100;)
+	{
+		//printf("  insn #%i\n", icount);
 		op = PROGRAM(pc++);
 		op1 = op >> 9;
-		*tcache_ptr++ = op;
-		icount++;
-		// need immediate?
-		if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6) {
-			tmp = PROGRAM(pc++);
-			*tcache_ptr++ = tmp;	// immediate
+		imm = (u32)-1;
+
+		if ((op1 & 0xf) == 4 || (op1 & 0xf) == 6)
+			imm = PROGRAM(pc++); // immediate
+
+		ret = translate_op(op, &pc, imm);
+		if (ret <= 0)
+		{
+			tr_flush_dirty();
+
+			emit_mov_const(0, op);
+
+			// need immediate?
+			if (imm != (u32)-1)
+				emit_mov_const(1, imm);
+
+			// dump PC
+			emit_pc_dump(pc);
+
+			emit_interpreter_call(in_funcs[op1]);
+
+			if (in_funcs[op1] == NULL) {
+				printf("NULL func! op=%08x (%02x)\n", op, op1);
+				exit(1);
+			}
+			ccount++;
+			hostreg_clear();
 		}
+		else
+			ccount += ret;
+
 		if (op1 == 0x24 || op1 == 0x26 || // call, bra
 			((op1 == 0 || op1 == 1 || op1 == 4 || op1 == 5 || op1 == 9 || op1 == 0x25) &&
 				(op & 0xf0) == 0x60)) { // ld PC
 			break;
 		}
 	}
-	*tcache_ptr++ = 0xfe01; // end of block
+
+	tr_flush_dirty();
+	emit_block_epilogue(ccount + 1);
+	*tcache_ptr++ = 0xffffffff; // end of block
 	//printf("  %i inst\n", icount);
 
-	if (tcache_ptr - tcache > TCACHE_SIZE/2) {
+	if (tcache_ptr - tcache > TCACHE_SIZE/4) {
 		printf("tcache overflow!\n");
 		fflush(stdout);
 		exit(1);
@@ -166,19 +823,35 @@ static void translate_block(int pc)
 
 	// stats
 	nblocks++;
-	if (pc >= 0x400) printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*2);
+	//if (pc >= 0x400)
+	printf("%i blocks, %i bytes\n", nblocks, (tcache_ptr - tcache)*4);
+	//printf("%p %p\n", tcache_ptr, emit_block_epilogue);
+
+#ifdef DUMP_BLOCK
+	{
+		FILE *f = fopen("tcache.bin", "wb");
+		fwrite(tcache, 1, (tcache_ptr - tcache)*4, f);
+		fclose(f);
+	}
+	exit(0);
+#endif
+
+	handle_caches();
+
+	return block_start;
 }
 
 
 
 // -----------------------------------------------------
 
-int ssp1601_dyn_init(void)
+int ssp1601_dyn_startup(void)
 {
-	tcache = tcache_ptr = malloc(TCACHE_SIZE);
-	memset(tcache, 0, sizeof(TCACHE_SIZE));
+	memset(tcache, 0, TCACHE_SIZE);
 	memset(block_table, 0, sizeof(block_table));
-	*tcache_ptr++ = 0xfe01;
+	memset(block_table_iram, 0, sizeof(block_table_iram));
+	tcache_ptr = tcache;
+	*tcache_ptr++ = 0xffffffff;
 
 	return 0;
 }
@@ -189,46 +862,36 @@ void ssp1601_dyn_reset(ssp1601_t *ssp)
 	ssp1601_reset_local(ssp);
 }
 
-
 void ssp1601_dyn_run(int cycles)
 {
+#ifdef DUMP_BLOCK
+	rPC = DUMP_BLOCK >> 1;
+#endif
 	while (cycles > 0)
 	{
-		int pc_old = rPC;
-		if (block_table[rPC] == NULL)
-			translate_block(rPC);
-
-		PC = block_table[rPC];
-		had_jump = 0;
-
-		//printf("enter @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1);
-		ssp1601_run_local(0x10000);
-		cycles -= 0x10000 - g_cycles;
-
-		if (!had_jump) {
-			// no jumps
-			rPC += (PC - block_table[pc_old]) - 1;
-		}
-		//printf("end   @ %04x, PC=%04x\n", (PC - tcache)<<1, rPC<<1);
-
-		if (pc_old < 0x400) {
-			// flush IRAM cache
-			tcache_ptr = block_table[pc_old];
-			block_table[pc_old] = NULL;
-			nblocks--;
-		}
-		if (pc_old >= 0x400 && rPC < 0x400)
+		int (*trans_entry)(void);
+		if (rPC < 0x800/2)
 		{
-			int i, crc = chksum_crc32(svp->iram_rom, 0x800);
-			for (i = 0; i < 32; i++)
-				if (iram_crcs[i] == crc) break;
-			if (i == 32) {
-				for (i = 0; i < 32 && iram_crcs[i]; i++);
-				iram_crcs[i] = crc;
-				printf("%i IRAMs\n", i+1);
+			if (iram_dirty) {
+				iram_context = get_iram_context();
+				iram_dirty--;
 			}
-			printf("CRC %08x %08x\n", crc, iram_id);
+			if (block_table_iram[iram_context][rPC] == NULL)
+				block_table_iram[iram_context][rPC] = translate_block(rPC);
+			trans_entry = (void *) block_table_iram[iram_context][rPC];
 		}
+		else
+		{
+			if (block_table[rPC] == NULL)
+				block_table[rPC] = translate_block(rPC);
+			trans_entry = (void *) block_table[rPC];
+		}
+
+		had_jump = 0;
+
+		//printf("enter %04x\n", rPC<<1);
+		cycles -= trans_entry();
+		//printf("leave %04x\n", rPC<<1);
 	}
 //	debug_dump2file("tcache.bin", tcache, (tcache_ptr - tcache) << 1);
 //	exit(1);