static int iram_context = 0;
#ifndef ARM
-#define DUMP_BLOCK 0x1d7c
+#define DUMP_BLOCK 0x29a0
unsigned int tcache[512*1024];
void regfile_load(void){}
void regfile_store(void){}
{
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 P, r0-r7) */
+} known_regs;
+
+#define KRREG_X (1 << SSP_X)
+#define KRREG_Y (1 << SSP_Y)
+#define KRREG_A (1 << SSP_A) /* AH only */
+#define KRREG_ST (1 << SSP_ST)
+#define KRREG_STACK (1 << SSP_STACK)
+#define KRREG_PC (1 << SSP_PC)
+#define KRREG_P (1 << SSP_P)
+#define KRREG_PR0 (1 << 8)
+#define KRREG_PR4 (1 << 12)
+#define KRREG_AL (1 << 16)
+
+/* bitfield of known register values */
+static u32 known_regb = 0;
+
+/* known vals, which need to be flushed
+ * (only ST, P, r0-r7)
+ * ST means flags are being held in ARM PSR
+ */
+static u32 dirty_regb = 0;
/* known values of host regs.
* -1 - unknown
hostreg_r[i] = -1;
}
+// TODO
/*static*/ void hostreg_ah_changed(void)
{
int i;
#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;
- }
-}
-
/* update P, if needed. Trashes r1 */
static void tr_flush_dirty_P(void)
{
// TODO: const regs
- if (!(dirty_regb & CRREG_P)) return;
+ if (!(dirty_regb & KRREG_P)) return;
EOP_MOV_REG_ASR(10, 4, 16); // mov r10, r4, asr #16
EOP_MOV_REG_LSL( 1, 4, 16); // mov r1, r4, lsl #16
EOP_MOV_REG_ASR( 1, 1, 15); // mov r1, r1, asr #15
EOP_MUL(10, 1, 10); // mul r10, r1, r10
- dirty_regb &= ~CRREG_P;
+ dirty_regb &= ~KRREG_P;
}
/* write dirty r0-r7 to host regs. Nothing is trashed */
static void tr_flush_dirty_pr(void)
{
int i, ror = 0, reg;
- dirty_regb >>= 8;
+ int dirty = dirty_regb >> 8;
/* r0-r7 */
- for (i = 0; dirty_regb && i < 8; i++, dirty_regb >>= 1)
+ for (i = 0; dirty && i < 8; i++, dirty >>= 1)
{
- if (!(dirty_regb&1)) continue;
+ if (!(dirty&1)) continue;
switch (i&3) {
case 0: ror = 0; break;
case 1: ror = 24/2; 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]);
+ if (known_regs.r[i] != 0)
+ EOP_ORR_IMM(reg,reg,ror,known_regs.r[i]);
}
+ dirty_regb &= ~0xff00;
+}
+
+/* fush ARM PSR to r6. Trashes r0 */
+static void tr_flush_dirty_ST(void)
+{
+ if (!(dirty_regb & KRREG_ST)) return;
+ EOP_BIC_IMM(6,6,0,0x0f);
+ EOP_MRS(0);
+ EOP_ORR_REG_LSR(6,6,0,28);
+ dirty_regb &= ~KRREG_ST;
+ hostreg_r[0] = -1;
+}
+
+/* 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(A_COND_AL, r, val);
+ hostreg_r[r] = val;
+ }
+}
+
+static void tr_mov16_cond(int cond, int r, int val)
+{
+ emit_mov_const(cond, r, val);
}
-/* read bank word to r0 (MSW may contain trash). Thrashes r1. */
+/* read bank word to r0. 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] != (0x100000|((addr&0x180)<<1))) {
- EOP_ADD_IMM(1,7,30/2,(addr&0x180)>>1); // add r1, r7, ((op&0x180)<<1)
- hostreg_r[1] = 0x100000|((addr&0x180)<<1);
- }
- breg = 1;
+ int breg = 7;
+ if (addr > 0x7f) {
+ if (hostreg_r[1] != (0x100000|((addr&0x180)<<1))) {
+ EOP_ADD_IMM(1,7,30/2,(addr&0x180)>>1); // add r1, r7, ((op&0x180)<<1)
+ hostreg_r[1] = 0x100000|((addr&0x180)<<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]
+ breg = 1;
}
+ EOP_LDRH_IMM(0,breg,(addr&0x7f)<<1); // ldrh r0, [r1, (op&0x7f)<<1]
hostreg_r[0] = -1;
}
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;
+ else if (need_modulo && (known_regb & KRREG_ST)) {
+ modulo_shift = known_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 (known_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);
+ known_regs.r[r] = (known_regs.r[r] & ~modulo) | ((known_regs.r[r] - 1) & modulo);
+ else known_regs.r[r] = (known_regs.r[r] & ~modulo) | ((known_regs.r[r] + 1) & modulo);
} else {
int reg = (r < 4) ? 8 : 9;
int ror = ((r&3) + 1)*8 - (8 - modulo_shift);
}
}
+/* handle writes r0 to (rX). Trashes r1.
+ * fortunately we can ignore modulo increment modes for writes. */
+static void tr_rX_write1(int op)
+{
+ if ((op&3) == 3)
+ {
+ int mod = (op>>2) & 3; // direct addressing
+ tr_bank_write((op & 0x100) + mod);
+ }
+ else
+ {
+ int r = (op&3) | ((op>>6)&4);
+ if (known_regb & (1 << (r + 8))) {
+ tr_bank_write((op&0x100) | known_regs.r[r]);
+ } 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);
+ }
+}
+
+/* get ARM cond which would mean that SSP cond is satisfied. No trash. */
+static int tr_cond_check(int op)
+{
+ int f = op & 0x100;
+ switch (op&0xf0) {
+ case 0x00: return A_COND_AL; /* always true */
+ case 0x50: /* Z matches f(?) bit */
+ if (dirty_regb & KRREG_ST) return f ? A_COND_EQ : A_COND_NE;
+ EOP_TST_IMM(6, 0, 4);
+ return f ? A_COND_NE : A_COND_EQ;
+ case 0x70: /* N matches f(?) bit */
+ if (dirty_regb & KRREG_ST) return f ? A_COND_MI : A_COND_PL;
+ EOP_TST_IMM(6, 0, 8);
+ return f ? A_COND_NE : A_COND_EQ;
+ default:
+ printf("unimplemented cond?\n");
+ exit(1);
+ return 0;
+ }
+}
+
+static int tr_neg_cond(int cond)
+{
+ switch (cond) {
+ case A_COND_AL: printf("neg for AL?\n"); exit(1);
+ case A_COND_EQ: return A_COND_NE;
+ case A_COND_NE: return A_COND_EQ;
+ case A_COND_MI: return A_COND_PL;
+ case A_COND_PL: return A_COND_MI;
+ default: printf("bad cond for neg\n"); exit(1);
+ }
+ return 0;
+}
+
// SSP_GR0, SSP_X, SSP_Y, SSP_A,
// SSP_ST, SSP_STACK, SSP_PC, SSP_P,
//@ r4: XXYY
//@ r7: SSP context
//@ r10: P
+// read general reg to r0. Trashes r1
static void tr_GR0_to_r0(void)
{
tr_mov16(0, 0xffff);
static void tr_PC_to_r0(void)
{
- tr_mov16(0, const_regs.gr[SSP_PC].h);
+ tr_mov16(0, known_regs.gr[SSP_PC].h);
}
static void tr_P_to_r0(void)
// write r0 to general reg handlers. Trashes r1
static void tr_unhandled(void)
{
- printf("unhandled @ %04x\n", const_regs.gr[SSP_PC].h<<1);
+ printf("unhandled @ %04x\n", known_regs.gr[SSP_PC].h<<1);
exit(1);
}
EOP_MOV_REG_LSL(4, 4, 16); // mov r4, r4, lsl #16
EOP_MOV_REG_LSR(4, 4, 16); // mov r4, r4, lsr #16
EOP_ORR_REG_LSL(4, 4, 0, 16); // orr r4, r4, r0, lsl #16
- dirty_regb |= CRREG_P; // touching X or Y makes P dirty.
+ dirty_regb |= KRREG_P; // touching X or Y makes P dirty.
+ hostreg_r[0] = SSP_X<<16;
}
static void tr_r0_to_Y(void)
EOP_MOV_REG_LSR(4, 4, 16); // mov r4, r4, lsr #16
EOP_ORR_REG_LSL(4, 4, 0, 16); // orr r4, r4, r0, lsl #16
EOP_MOV_REG_ROR(4, 4, 16); // mov r4, r4, ror #16
- dirty_regb |= CRREG_P;
+ dirty_regb |= KRREG_P;
+ hostreg_r[0] = SSP_Y<<16;
}
static void tr_r0_to_A(void)
EOP_MOV_REG_LSL(5, 5, 16); // mov r5, r5, lsl #16
EOP_MOV_REG_LSR(5, 5, 16); // mov r5, r5, lsr #16 @ AL
EOP_ORR_REG_LSL(5, 5, 0, 16); // orr r5, r5, r0, lsl #16
+ hostreg_r[0] = SSP_A<<16;
}
static void tr_r0_to_ST(void)
{
u32 tmpv, tmpv2;
int ret = 0;
- const_regs.gr[SSP_PC].h = *pc;
+ known_regs.gr[SSP_PC].h = *pc;
switch (op >> 9)
{
if (tmpv2 == SSP_A && tmpv == SSP_P) { // ld A, P
tr_flush_dirty_P();
EOP_MOV_REG_SIMPLE(5, 10);
- const_regb &= ~(CRREG_A|CRREG_AL);
+ known_regb &= ~(KRREG_A|KRREG_AL);
ret++; break;
}
tr_read_funcs[tmpv]();
tr_write_funcs[tmpv2]();
- if (const_regb & (1 << tmpv)) {
- const_regs.gr[tmpv2].h = const_regs.gr[tmpv].h;
- const_regb |= 1 << tmpv2;
+ if (known_regb & (1 << tmpv)) {
+ known_regs.gr[tmpv2].h = known_regs.gr[tmpv].h;
+ known_regb |= 1 << tmpv2;
} else
- const_regb &= ~(1 << tmpv2);
+ known_regb &= ~(1 << tmpv2);
+ ret++; break;
+
+ // ld d, (ri)
+ //case 0x01: tmpv = ptr1_read(op); REG_WRITE((op & 0xf0) >> 4, tmpv); break;
+
+ // ld (ri), s
+ case 0x02:
+ tmpv = (op >> 4) & 0xf; // src
+ if (tmpv >= 8) return -1; // TODO
+ tr_read_funcs[tmpv]();
+ tr_rX_write1(op);
ret++; break;
// ld a, adr
case 0x03:
tr_bank_read(op&0x1ff);
tr_r0_to_A();
- const_regb &= ~CRREG_A;
+ known_regb &= ~KRREG_A;
hostreg_r[0] = SSP_A<<16;
ret++; break;
{
tr_mov16(0, imm);
tr_write_funcs[tmpv]();
- const_regs.gr[tmpv].h = imm;
- const_regb |= 1 << tmpv;
+ known_regs.gr[tmpv].h = imm;
+ known_regb |= 1 << tmpv;
ret++; break;
}
else if (tmpv == 0xe && (PROGRAM(*pc) >> 9) == 4)
// programming PMC..
(*pc)++;
tmpv = imm | (PROGRAM((*pc)++) << 16);
- emit_mov_const(0, tmpv);
+ emit_mov_const(A_COND_AL, 0, tmpv);
EOP_LDR_IMM(1,7,0x484); // ldr r0, [r7, #0x484] // emu_status
EOP_STR_IMM(0,7,0x400+14*4); // PMC
// reads on fe06, fe08; next op is ld -,
if ((tmpv == 0x187f03 || tmpv == 0x187f04) && (PROGRAM(*pc) & 0xfff0) == 0)
{
- int flag = (tmpv == 0x187f03) ? (SSP_WAIT_30FE06) : (SSP_WAIT_30FE08);
+ int flag = (tmpv == 0x187f03) ? SSP_WAIT_30FE06 : SSP_WAIT_30FE08;
+ tr_flush_dirty_ST();
EOP_LDR_IMM(0,7,0x490); // dram_ptr
EOP_ADD_IMM(0,0,24/2,0xfe); // add r0, r0, #0xfe00
EOP_LDRH_IMM(0,0,8); // ldrh r0, [r0, #8]
else
return -1; /* TODO.. */
+ // ld d, ((ri))
+ case 0x05: {
+ int r;
+ r = (op&3) | ((op>>6)&4); // src
+ tmpv2 = (op >> 4) & 0xf; // dst
+ if (tmpv2 >= 8) return -1; // TODO
+
+ if ((r&3) == 3) {
+ tr_bank_read((op&0x100) | ((op>>2)&3));
+ } else if (known_regb & (1 << (r+8))) {
+ tr_bank_read((op&0x100) | known_regs.r[r]);
+ } 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_LDRH_SIMPLE(0,1); // ldrh r0, [r1]
+ }
+ EOP_LDR_IMM(2,7,0x48c); // ptr_iram_rom
+ EOP_ADD_REG_LSL(2,2,0,1); // add r2, r2, r0, lsl #1
+ EOP_ADD_IMM(0,0,0,1); // add r0, r0, #1
+ if ((r&3) == 3) {
+ tr_bank_write((op&0x100) | ((op>>2)&3));
+ } else if (known_regb & (1 << (r+8))) {
+ tr_bank_write((op&0x100) | known_regs.r[r]);
+ } else {
+ EOP_STRH_SIMPLE(0,1); // strh r0, [r1]
+ hostreg_r[1] = -1;
+ }
+ EOP_LDRH_SIMPLE(0,2); // ldrh r0, [r0]
+ hostreg_r[0] = hostreg_r[2] = -1;
+ tr_write_funcs[tmpv2]();
+ ret += 2; break; /* should certainly take > 1 */
+ }
// ldi (ri), imm
case 0x06:
- // 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] != 0x100200) {
- EOP_ADD_IMM(1,7,30/2,0x200>>2); // add r1, r7, 0x200
- hostreg_r[1] = 0x100200;
- }
- 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);
- }
+ tr_rX_write1(op);
ret++; break;
// ld adr, a
// ld d, ri
case 0x09: {
- int r, reg;
+ int r;
r = (op&3) | ((op>>6)&4); // src
- tmpv2 = (op >> 4) & 0xf; // dst
+ tmpv2 = (op >> 4) & 0xf; // dst
if (tmpv2 >= 8) tr_unhandled();
+ if ((r&3) == 3) tr_unhandled();
- if (const_regb & (1 << (r+8))) {
- tr_mov16(0, const_regs.r[r]);
- const_regs.gr[tmpv2].h = const_regs.r[r];
- const_regb |= 1 << tmpv2;
+ if (known_regb & (1 << (r+8))) {
+ tr_mov16(0, known_regs.r[r]);
+ known_regs.gr[tmpv2].h = known_regs.r[r];
+ known_regb |= 1 << tmpv2;
} else {
- reg = (r < 4) ? 8 : 9;
+ int reg = (r < 4) ? 8 : 9;
if (r&3) EOP_MOV_REG_LSR(0, reg, (r&3)*8); // mov r0, r{7,8}, lsr #lsr
EOP_AND_IMM(0, (r&3)?0:reg, 0, 0xff); // and r0, r{7,8}, <mask>
hostreg_r[0] = -1;
- const_regb &= ~(1 << tmpv2);
+ known_regb &= ~(1 << tmpv2);
}
tr_write_funcs[tmpv2]();
ret++; break;
}
+ // ld ri, s
+ case 0x0a: {
+ int r;
+ r = (op&3) | ((op>>6)&4); // dst
+ tmpv = (op >> 4) & 0xf; // src
+ if (tmpv >= 8) tr_unhandled();
+ if ((r&3) == 3) tr_unhandled();
+
+ if (known_regb & (1 << tmpv)) {
+ known_regs.r[r] = known_regs.gr[tmpv].h;
+ known_regb |= 1 << (r + 8);
+ dirty_regb |= 1 << (r + 8);
+ } else {
+ int reg = (r < 4) ? 8 : 9;
+ int ror = ((4 - (r&3))*8) & 0x1f;
+ tr_read_funcs[tmpv]();
+ EOP_BIC_IMM(reg, reg, ror/2, 0xff); // bic r{7,8}, r{7,8}, <mask>
+ EOP_AND_IMM(0, 0, 0, 0xff); // and r0, r0, 0xff
+ EOP_ORR_REG_LSL(reg, reg, 0, (r&3)*8); // orr r{7,8}, r{7,8}, r0, lsl #lsl
+ hostreg_r[0] = -1;
+ known_regb &= ~(1 << (r+8));
+ dirty_regb &= ~(1 << (r+8));
+ }
+ ret++; break;
+ }
+
// ldi ri, simm
case 0x0c ... 0x0f:
tmpv = (op>>8)&7;
- const_regs.r[tmpv] = op;
- const_regb |= 1 << (tmpv + 8);
+ known_regs.r[tmpv] = op;
+ known_regb |= 1 << (tmpv + 8);
dirty_regb |= 1 << (tmpv + 8);
ret++; break;
+
+ // ld d, (a)
+ case 0x25:
+ // tmpv = ((unsigned short *)svp->iram_rom)[rA]; REG_WRITE((op & 0xf0) >> 4, tmpv); break;
+ tmpv2 = (op >> 4) & 0xf; // dst
+ if (tmpv2 >= 8) return -1; // TODO
+
+ tr_read_funcs[SSP_A]();
+ EOP_LDR_IMM(1,7,0x48c); // ptr_iram_rom
+ EOP_ADD_REG_LSL(0,1,0,1); // add r0, r1, r0, lsl #1
+ EOP_LDRH_SIMPLE(0,0); // ldrh r0, [r0]
+ hostreg_r[0] = hostreg_r[1] = -1;
+ tr_write_funcs[tmpv2]();
+ ret += 2; break; /* should certainly take > 1 */
+
+ // bra cond, addr
+ case 0x26: {
+ tmpv = tr_cond_check(op);
+ tr_mov16_cond(tmpv, 0, imm);
+ if (tmpv != A_COND_AL) {
+ EOP_C_DOP_IMM(tmpv, A_OP_ADD, 0, 11, 11, 0, 1); // add 1 to cycles if we jump
+ tr_mov16_cond(tr_neg_cond(tmpv), 0, *pc);
+ }
+ else
+ ret++; // always jump */
+ tr_write_funcs[SSP_PC]();
+ ret++; break;
+ }
+
+
+/*
+ // mpys?
+ case 0x1b:
+ 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
+ break;
+
+ // mpya (rj), (ri), b
+ case 0x4b:
+ 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
+ break;
+
+ // mld (rj), (ri), b
+ case 0x5b:
+ EOP_MOV_IMM(5, 0, 0); // mov r5, #0
+ known_regs.r[SSP_A].v = 0;
+ known_regb |= (KRREG_A|KRREG_AL);
+ EOP_BIC_IMM(6, 6, 0, 0x0f); // bic r6, r6, 0xf // flags
+ // TODO
+ ret++; break;
+*/
}
return ret;
printf("translate %04x -> %04x\n", pc<<1, (tcache_ptr-tcache)<<2);
block_start = tcache_ptr;
- const_regb = 0;
- dirty_regb = CRREG_P;
+ known_regb = 0;
+ dirty_regb = KRREG_P;
hostreg_clear();
emit_block_prologue();
{
tr_flush_dirty_pr();
- emit_mov_const(0, op);
+ emit_mov_const(A_COND_AL, 0, op);
// need immediate?
if (imm != (u32)-1)
- emit_mov_const(1, imm);
+ emit_mov_const(A_COND_AL, 1, imm);
// dump PC
emit_pc_dump(pc);
}
ccount++;
hostreg_clear();
- dirty_regb |= CRREG_P;
+ dirty_regb |= KRREG_P;
+ known_regb = 0;
}
else
ccount += ret;
void ssp1601_dyn_reset(ssp1601_t *ssp)
{
ssp1601_reset_local(ssp);
- ssp->ptr_rom = (unsigned int) Pico.rom;
- ssp->ptr_iram = (unsigned int) svp->iram_rom;
+ ssp->ptr_rom = (unsigned int) Pico.rom;
+ ssp->ptr_iram_rom = (unsigned int) svp->iram_rom;
ssp->ptr_dram = (unsigned int) svp->dram;
}
notaz.gp2x.de / picodrive.git / blobdiff