- Made the emulator's debugger use individual windows.

  I mainly did this to be able to display all 16 main
  registers, but also to simplify the debugger.

4 files changed, 258 insertions, 175 deletions

diff --git a/disasm.c b/disasm.c
index e0f4fbc..b79d55b 100644
--- a/disasm.c
+++ b/disasm.c
@@ -12,26 +12,161 @@
 	mne##_RR: case mne##_RM: case mne##_MR: case mne##_MM
 
 
-void print_regs(struct sux *cpu, uint8_t lines, uint8_t thread) {
+void print_info(struct sux *cpu, WINDOW *w, uint8_t lines, uint8_t thread) {
 	for (uint8_t i = (24*thread)+2; i <= 24*(thread+1); i++) {
-		wmove(scr, i, 0);
-		waddch(scr, (i == lines) ? '>' : ' ');
+		wmove(w, i, 0);
+		waddch(w, (i == lines) ? '>' : ' ');
 	}
-	wmove(scr, lines, 1);
-	wclrtoeol(scr);
-	wprintw(scr, "pc: $%04"PRIX64  , cpu->pc);
-	wprintw(scr, ", a: $%08"PRIX64, cpu->a);
-	wprintw(scr, ", b: $%08"PRIX64, cpu->b);
-	wprintw(scr, ", x: $%08"PRIX64, cpu->x);
-	wprintw(scr, ", y: $%08"PRIX64, cpu->y);
-	wprintw(scr, ", e: $%08"PRIX64, cpu->e);
-	wprintw(scr, ", sp: $%"PRIX64, cpu->sp);
-	wprintw(scr, ", ps: %c%c---%c%c%c", cpu->ps.u8[thread] & N ? 'N' : '-'
-					  , cpu->ps.u8[thread] & V ? 'V' : '-'
-					  , cpu->ps.u8[thread] & I ? 'I' : '-'
-					  , cpu->ps.u8[thread] & Z ? 'Z' : '-'
-					  , cpu->ps.u8[thread] & C ? 'C' : '-');
-	wprintw(scr, ", inst: ");
+	wmove(w, lines, 1);
+	wclrtoeol(w);
+	wprintw(w, "pc: $%04"PRIX64  , cpu->pc);
+	wprintw(w, ", ps: %c%c---%c%c%c", cpu->ps.u8[thread] & N ? 'N' : '-'
+					, cpu->ps.u8[thread] & V ? 'V' : '-'
+					, cpu->ps.u8[thread] & I ? 'I' : '-'
+					, cpu->ps.u8[thread] & Z ? 'Z' : '-'
+					, cpu->ps.u8[thread] & C ? 'C' : '-');
+	wprintw(w, ", inst: ");
+}
+
+
+void print_regs(struct sux *cpu, WINDOW *w) {
+	for (int i = 0; i < 9; i++) {
+		wmove(w, i, 0);
+		wclrtoeol(w);
+	}
+	wmove(w, 0, 0);
+	wprintw(w, "Registers:\n");
+	wprintw(w, "  a: $%016"PRIX64",   b: $%016"PRIX64"\n", cpu->a, cpu->b);
+	wprintw(w, "  x: $%016"PRIX64",   y: $%016"PRIX64"\n", cpu->x, cpu->y);
+	wprintw(w, "  e: $%016"PRIX64",   c: $%016"PRIX64"\n", cpu->e, cpu->c);
+	wprintw(w, "  d: $%016"PRIX64",   s: $%016"PRIX64"\n", cpu->d, cpu->s);
+	wprintw(w, "  f: $%016"PRIX64",  sp: $%016"PRIX64"\n", cpu->f, cpu->sp);
+	wprintw(w, " bp: $%016"PRIX64", r11: $%016"PRIX64"\n", cpu->bp, cpu->r11);
+	wprintw(w, "r12: $%016"PRIX64", r13: $%016"PRIX64"\n", cpu->r12, cpu->r13);
+	wprintw(w, "r14: $%016"PRIX64", r15: $%016"PRIX64"\n", cpu->r14, cpu->r15);
+}
+
+static void sub_dbg(struct sux *cpu, WINDOW *w, uint64_t address, uint64_t *ortho_addr, uint8_t thread) {
+	uint8_t ln = 5;
+	uint16_t line_idx = 0;
+	uint32_t tmpad = 0x20247;
+	int row, col;
+	uint8_t iscursor = 0;
+	union reg ptr;
+	ptr.u64 = 0;
+	uint32_t adr;
+	if (address == CTRL_ADDR || ortho_addr[1] == CTRL_ADDR || addr[STEP_ADDR]) {
+		adr = read_value(cpu, 0, tmpad, 7, 0, 0);
+		tmpad += 8;
+		wmove(w, 1, 0);
+		wprintw(w, "scr_row: %02u, scr_col: %02u, scr_str: %02u, scr_end: %02u", addr[0], addr[1], addr[2], addr[3]);
+		wmove(w, 2, 0);
+		wprintw(w, "bitabl: ");
+		for (uint8_t i = 0; i < 16; i++) {
+			wprintw(w, "%s", showbits(addr[adr+i], 7, 0));
+		}
+		mvwprintw(w, ln++, 0, "buffer: ");
+		wmove(w, ln++, 0);
+		uint8_t maxrow = 10;
+		int line_offset = (addr[0]-(maxrow-1) >= 0) ? addr[0]-(maxrow-1) : 0;
+		adr = read_value(cpu, 0, tmpad, 7, 0, 0);
+		for (uint8_t i = 0; i < maxrow; i++) {
+			line_idx = (i+addr[2]+line_offset << 6) + (i+addr[2]+line_offset << 4);
+			for (uint8_t j = 0; j < 0x50; j++) {
+				wprintw(w, "%02X", addr[adr+j+line_idx]);
+					if ((addr[0] == i+line_offset) && addr[1] == j) {
+						iscursor=1;
+						getyx(w,row, col);
+						wmove(w, ln++, 0);
+						wclrtoeol(w);
+						wmove(w, row+1, col-2);
+						wprintw(w, "/\\");
+						wmove(w, row, col);
+					}
+			}
+			wprintw(w, ", i: %02X", i);
+			if (!iscursor) {
+				wmove(w, ln, 0);
+				wclrtoeol(w);
+			}
+			iscursor = 0;
+			wmove(w, ln++, 0);
+		}
+	}
+	/*wclrtoeol(w);
+	wprintw(w, "rega: $%02X, ", addr[0x0A]);
+	wprintw(w, "regb: $%02X, ", addr[0x0B]);
+	wprintw(w, "regc: $%02X, ", addr[0x0C]);
+	wprintw(w, "regd: $%02X, ", addr[0x0D]);
+	wprintw(w, "rege: $%02X, ", addr[0x0E]);
+	wprintw(w, "regf: $%02X, ", addr[0x0F]);
+	wprintw(w, "regg: $%02X", addr[0x10]);*/
+
+	wmove(w, 3, 0);
+	wclrtoeol(w);
+
+	adr = 0x25;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, "ptr1: $%04"PRIX64, ptr.u64);
+
+	adr = 0x2D;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", ptr2: $%04"PRIX64, ptr.u64);
+
+	adr = 0x35;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", ptr3: $%04"PRIX64, ptr.u64);
+
+	adr = 0x02049A;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", idx0: $%04"PRIX64, ptr.u64);
+
+	adr = 0x334BA;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", valbuf: $%016"PRIX64, ptr.u64);
+
+
+	wmove(w, 4, 0);
+	wclrtoeol(w);
+	adr = 0x200CA;
+	ptr.u64 = read_value(cpu, 0, adr, 3, 0, 0);
+	wprintw(w, "t_id: $%02X", ptr.u8[0]);
+	wprintw(w, ", t_type: $%02X", ptr.u8[1]);
+	wprintw(w, ", t_space: $%02X", ptr.u8[2]);
+	wprintw(w, ", t_tab: $%02X", ptr.u8[3]);
+	adr += 4;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", t_val: $%"PRIX64, ptr.u64);
+	adr += 8;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", t_str: $%"PRIX64, ptr.u64);
+	adr += 8;
+	ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
+	wprintw(w, ", t_sym: $%"PRIX64, ptr.u64);
+
+
+	/*
+	wmove(w, 47, 0);
+	wclrtoeol(w);
+	wprintw(w, "a: $%02X,",  addr[0x0A]);
+	wprintw(w, " b: $%02X,", addr[0x0B]);
+	wprintw(w, " c: $%02X,", addr[0x0C]);
+	wprintw(w, " d: $%02X,", addr[0x0D]);
+	wprintw(w, " e: $%02X,", addr[0x0E]);
+	wprintw(w, " f: $%02X",  addr[0x0F]);
+	tmpad += 8;
+	adr = read_value(cpu, 0, tmpad, 7, 0, 0);
+	line_idx = 0;
+	wprintw(w, "cmd_buf:");
+	for (uint8_t i = 0; i < 1; i++) {
+		wmove(w, ln++, 0);
+		wclrtoeol(w);
+		line_idx = (i << 4)+(i << 6);
+		for (uint8_t j = 0; j < 0x50; j++) {
+			wprintw(w, "%02X", addr[adr+j+line_idx]);
+		}
+		wprintw(w, ", i: %02X", i);
+	}*/
 }
 
 static uint64_t get_offset(uint64_t value, uint8_t size, char **sign) {
@@ -146,7 +281,7 @@ static int is_2op(uint8_t opcode) {
 	return 0;
 }
 
-static void disasm_ortho(struct sux *cpu, uint8_t opcode, uint8_t prefix, uint8_t prefix2, uint64_t *value, char *inst_name, char *postfix, operand *op, uint8_t rs, uint8_t thread) {
+static void disasm_ortho(struct sux *cpu, WINDOW *w, uint8_t opcode, uint8_t prefix, uint8_t prefix2, uint64_t *value, char *inst_name, char *postfix, operand *op, uint8_t rs, uint8_t thread) {
 	char opr[2][256];
 	char address[2][17];
 	char *rind[2] = {"", ""};
@@ -280,9 +415,9 @@ static void disasm_ortho(struct sux *cpu, uint8_t opcode, uint8_t prefix, uint8_
 	} else if (is_2op(opcode)) {
 		op2 = opr[1];
 	}
-	wprintw(scr, "%s%s%s %s%s %s", inst_name, postfix, os, opr[0], (op_count == 2) ? "," : "", op2);
-	wmove(scr, 29, 0);
-	wclrtoeol(scr);
+	wprintw(w, "%s%s%s %s%s %s", inst_name, postfix, os, opr[0], (op_count == 2) ? "," : "", op2);
+	wmove(w, getmaxy(w)-2, 0);
+	wclrtoeol(w);
 	for (int i = 0; i < 2; i++) {
 		if (op[i].type) {
 			sprintf(address[i], "$%04"PRIX64, value[i]);
@@ -290,11 +425,11 @@ static void disasm_ortho(struct sux *cpu, uint8_t opcode, uint8_t prefix, uint8_
 			sprintf(address[i], "none");
 		}
 	}
-	wprintw(scr, "destination address: %s, source address: %s", address[0], address[1]);
+	wprintw(w, "destination address: %s, source address: %s", address[0], address[1]);
 }
 
 
-void disasm(struct sux *cpu, uint8_t lines, uint8_t opcode, uint8_t prefix, uint8_t ext_prefix, uint8_t prefix2, uint8_t *op_type, uint8_t *op_id, uint8_t thread) {
+void disasm(struct sux *cpu, WINDOW *w, uint8_t lines, uint8_t opcode, uint8_t prefix, uint8_t ext_prefix, uint8_t prefix2, uint8_t *op_type, uint8_t *op_id, uint8_t thread) {
 	uint64_t value;
 	uint64_t address = 0;
 	operand ortho_op[2];
@@ -384,9 +519,9 @@ void disasm(struct sux *cpu, uint8_t lines, uint8_t opcode, uint8_t prefix, uint
 		}
 		switch (inst_type) {
 			case BREG :
-			case IMPL : wprintw(scr, "%s%s" , inst_name, postfix); break;
-			case EIND : wprintw(scr, "%s%s (E)" , op, postfix); break;
-			case IMM  : wprintw(scr, "%s%s #$%0*"PRIX64 , op, postfix, (addrsize+1) << 1, value); break;
+			case IMPL : wprintw(w, "%s%s" , inst_name, postfix); break;
+			case EIND : wprintw(w, "%s%s (E)" , op, postfix); break;
+			case IMM  : wprintw(w, "%s%s #$%0*"PRIX64 , op, postfix, (addrsize+1) << 1, value); break;
 			case AIND :
 			case AINDX:
 			case AINDY:
@@ -398,145 +533,26 @@ void disasm(struct sux *cpu, uint8_t lines, uint8_t opcode, uint8_t prefix, uint
 			case ABSX :
 			case ABSY :
 			case ZM   :
-			case ABS  : wprintw(scr, "%s%s %s%s%s$%0*" PRIX64"%s" , op, postfix, ind, of, sign, (addrsize+1) << 1, value, idx); break;
-			case REL  : wprintw(scr, "%s%s %s$%0*"PRIX64 , op, postfix, sign, (addrsize+1) << 1, value); break;
+			case ABS  : wprintw(w, "%s%s %s%s%s$%0*" PRIX64"%s" , op, postfix, ind, of, sign, (addrsize+1) << 1, value, idx); break;
+			case REL  : wprintw(w, "%s%s %s$%0*"PRIX64 , op, postfix, sign, (addrsize+1) << 1, value); break;
 		}
 	} else {
 		inst_name = ortho_opname[opcode];
 		memcpy(op, inst_name, 3);
-		disasm_ortho(cpu, opcode, prefix, prefix2, ortho_addr, op, postfix, ortho_op, (1 << rs), thread);
-	}
-
-	if (address == TX_ADDR || address == RX_ADDR) {
-		wmove(scr, 27, 0);
-		wprintw(scr, "TX_ADDR: $%02X, RX_ADDR: $%02X", addr[TX_ADDR], addr[RX_ADDR]);
+		disasm_ortho(cpu, w, opcode, prefix, prefix2, ortho_addr, op, postfix, ortho_op, (1 << rs), thread);
 	}
+	int y = getmaxy(w);
 	if (ext_prefix != 0x1D) {
-		wmove(scr, 29, 0);
-		wclrtoeol(scr);
-		wprintw(scr, "address: $%04"PRIX64, address);
+		wmove(w, y-2, 0);
+		wclrtoeol(w);
+		wprintw(w, "address: $%04"PRIX64, address);
+	}
+	if (address == TX_ADDR || ortho_addr[0] == TX_ADDR || address == RX_ADDR || ortho_addr[1] == RX_ADDR) {
+		wmove(w, y-1, 0);
+		wprintw(w, "TX_ADDR: $%02X, RX_ADDR: $%02X", addr[TX_ADDR], addr[RX_ADDR]);
 	}
 	if (subdbg) {
-		uint8_t ln = 33;
-		uint16_t line_idx = 0;
-		uint32_t tmpad = 0x20247;
-		int row, col;
-		uint8_t iscursor = 0;
-		union reg ptr;
-		ptr.u64 = 0;
-		uint32_t adr;
-		if (address == CTRL_ADDR || addr[STEP_ADDR]) {
-			adr = read_value(cpu, 0, tmpad, 7, 0, 0);
-			tmpad += 8;
-			wprintw(scr, ", scr_row: %02u, scr_col: %02u, scr_str: %02u, scr_end: %02u", addr[0], addr[1], addr[2], addr[3]);
-			wmove(scr, 32, 0);
-			wprintw(scr, "bitabl: ");
-			for (uint8_t i = 0; i < 16; i++) {
-				wprintw(scr, "%s", showbits(addr[adr+i], 7, 0));
-			}
-			mvwprintw(scr, ln++, 0, "buffer: ");
-			wmove(scr, ln++, 0);
-			uint8_t maxrow = 10;
-			int line_offset = (addr[0]-(maxrow-1) >= 0) ? addr[0]-(maxrow-1) : 0;
-			adr = read_value(cpu, 0, tmpad, 7, 0, 0);
-			for (uint8_t i = 0; i < maxrow; i++) {
-				line_idx = (i+addr[2]+line_offset << 6) + (i+addr[2]+line_offset << 4);
-				for (uint8_t j = 0; j < 0x50; j++) {
-					wprintw(scr, "%02X", addr[adr+j+line_idx]);
-						if ((addr[0] == i+line_offset) && addr[1] == j) {
-							iscursor=1;
-							getyx(scr,row, col);
-							wmove(scr, ln++, 0);
-							wclrtoeol(scr);
-							wmove(scr, row+1, col-2);
-							wprintw(scr, "/\\");
-							wmove(scr, row, col);
-						}
-				}
-				wprintw(scr, ", i: %02X", i);
-				if (!iscursor) {
-					wmove(scr, ln, 0);
-					wclrtoeol(scr);
-				}
-				iscursor = 0;
-				wmove(scr, ln++, 0);
-			}
-		}
-		/*wclrtoeol(scr);
-		wprintw(scr, "rega: $%02X, ", addr[0x0A]);
-		wprintw(scr, "regb: $%02X, ", addr[0x0B]);
-		wprintw(scr, "regc: $%02X, ", addr[0x0C]);
-		wprintw(scr, "regd: $%02X, ", addr[0x0D]);
-		wprintw(scr, "rege: $%02X, ", addr[0x0E]);
-		wprintw(scr, "regf: $%02X, ", addr[0x0F]);
-		wprintw(scr, "regg: $%02X", addr[0x10]);*/
-
-		wmove(scr, 30, 0);
-		wclrtoeol(scr);
-
-		adr = 0x25;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, "ptr1: $%04"PRIX64, ptr.u64);
-
-		adr = 0x2D;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", ptr2: $%04"PRIX64, ptr.u64);
-
-		adr = 0x35;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", ptr3: $%04"PRIX64, ptr.u64);
-
-		adr = 0x02049A;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", idx0: $%04"PRIX64, ptr.u64);
-
-		adr = 0x334BA;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", valbuf: $%016"PRIX64, ptr.u64);
-
-
-		wmove(scr, 31, 0);
-		wclrtoeol(scr);
-		adr = 0x200CA;
-		ptr.u64 = read_value(cpu, 0, adr, 3, 0, 0);
-		wprintw(scr, "t_id: $%02X", ptr.u8[0]);
-		wprintw(scr, ", t_type: $%02X", ptr.u8[1]);
-		wprintw(scr, ", t_space: $%02X", ptr.u8[2]);
-		wprintw(scr, ", t_tab: $%02X", ptr.u8[3]);
-		adr += 4;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", t_val: $%"PRIX64, ptr.u64);
-		adr += 8;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", t_str: $%"PRIX64, ptr.u64);
-		adr += 8;
-		ptr.u64 = read_value(cpu, 0, adr, 7, 0, 0);
-		wprintw(scr, ", t_sym: $%"PRIX64, ptr.u64);
-
-
-		/*
-		wmove(scr, 47, 0);
-		wclrtoeol(scr);
-		wprintw(scr, "a: $%02X,",  addr[0x0A]);
-		wprintw(scr, " b: $%02X,", addr[0x0B]);
-		wprintw(scr, " c: $%02X,", addr[0x0C]);
-		wprintw(scr, " d: $%02X,", addr[0x0D]);
-		wprintw(scr, " e: $%02X,", addr[0x0E]);
-		wprintw(scr, " f: $%02X",  addr[0x0F]);
-		tmpad += 8;
-		adr = read_value(cpu, 0, tmpad, 7, 0, 0);
-		line_idx = 0;
-		wprintw(scr, "cmd_buf:");
-		for (uint8_t i = 0; i < 1; i++) {
-			wmove(scr, ln++, 0);
-			wclrtoeol(scr);
-			line_idx = (i << 4)+(i << 6);
-			for (uint8_t j = 0; j < 0x50; j++) {
-				wprintw(scr, "%02X", addr[adr+j+line_idx]);
-			}
-			wprintw(scr, ", i: %02X", i);
-		}*/
-
+		sub_dbg(cpu, dbg_win, address, ortho_addr, thread);
 	}
 }
 
diff --git a/io.c b/io.c
index 4e69f7e..e19f194 100644
--- a/io.c
+++ b/io.c
@@ -85,6 +85,9 @@ int get_key(WINDOW *scr) {
 					puts("Reinitializing screen.");
 					init_scr();
 					wrefresh(scr);
+					#if debug
+					wrefresh(regs);
+					#endif
 					break;
 			}
 			#if debug && !bench
@@ -304,6 +307,11 @@ void io(uint64_t address, uint8_t rw) {
 			}
 			kbd_rdy = 1;
 			wrefresh(scr);
+			#if debug
+			wrefresh(regs);
+			wrefresh(inst_win);
+			wrefresh(dbg_win);
+			#endif
 			addr[RX_ADDR] = get_key(scr);
 			kbd_rdy = 0;
 			break;
diff --git a/sux.c b/sux.c
index 25bd8c5..de88b92 100644
--- a/sux.c
+++ b/sux.c
@@ -37,6 +37,9 @@ uint8_t kbd_rdy;
 uint8_t end = 0;
 
 WINDOW *scr;
+WINDOW *regs;
+WINDOW *inst_win;
+WINDOW *dbg_win;
 
 struct suxthr {
 	struct sux sx;
@@ -173,15 +176,16 @@ void *run(void *args) {
 		#if keypoll
 		pthread_mutex_lock(&mutex);
 		#endif
-		print_regs(cpu, lines, thread);
+		print_info(cpu, inst_win, lines, thread);
+		print_regs(cpu, regs);
 		#if keypoll
 		pthread_mutex_unlock(&mutex);
 		#endif
 		#endif
-		uint32_t instr = read_value(cpu, 0, cpu->pc, 4, 1, 0);
-		uint8_t *tmp_inst = (uint8_t *)&instr;
+		uint32_t inst = read_value(cpu, 0, cpu->pc, 4, 1, 0);
+		uint8_t *tmp_inst = (uint8_t *)&inst;
 		uint8_t inst_len = 0;
-		prefix = ((instr & 3) == 3) ? tmp_inst[inst_len++] : 0;
+		prefix = ((inst & 3) == 3) ? tmp_inst[inst_len++] : 0;
 		ext_prefix = ((tmp_inst[inst_len] & 0xF) == 0xD) ? tmp_inst[inst_len++] : 0;
 		opcode = tmp_inst[inst_len++];
 		op_id = (ext_prefix == 0x1D) ? tmp_inst[inst_len++] : 0;
@@ -253,7 +257,7 @@ void *run(void *args) {
 		#if keypoll
 		pthread_mutex_lock(&mutex);
 		#endif
-		disasm(cpu, lines, opcode, prefix, ext_prefix, prefix2, operand_type, ortho_id, thread);
+		disasm(cpu, inst_win, lines, opcode, prefix, ext_prefix, prefix2, operand_type, ortho_id, thread);
 		lines+=1;
 		#if keypoll
 		pthread_mutex_unlock(&mutex);
@@ -290,10 +294,14 @@ void *run(void *args) {
 			int c = 0;
 			#if debug
 			wrefresh(scr);
+			wrefresh(regs);
+			wrefresh(inst_win);
 			#endif
 			for (; step && c != 19 && !end; c = get_key(scr));
 			#if debug
 			wrefresh(scr);
+			wrefresh(regs);
+			wrefresh(inst_win);
 			#endif
 		}
 		#endif
@@ -301,13 +309,16 @@ void *run(void *args) {
 		#if keypoll
 		pthread_mutex_lock(&mutex);
 		#endif
-		wmove(scr, (6*thread)+1, 0);
-		wprintw(scr, "Instructions executed: %"PRIu64, ins);
+		wmove(inst_win, (6*thread)+1, 0);
+		wprintw(inst_win, "Instructions executed: %"PRIu64, ins);
 		#if getclk
-		wprintw(scr, ", Clock cycles: %"PRIu64, cpu->clk);
+		wprintw(inst_win, ", Clock cycles: %"PRIu64, cpu->clk);
 		#endif
 		if (step || !subdbg) {
 			wrefresh(scr);
+			wrefresh(regs);
+			wrefresh(inst_win);
+			wrefresh(dbg_win);
 		}
 		#if keypoll
 		pthread_mutex_unlock(&mutex);
@@ -343,7 +354,34 @@ void init_scr() {
 	start_color();
 	use_default_colors();
 	init_pair(1, COLOR_WHITE, -1);
-	attron(COLOR_PAIR(1) | A_BOLD);
+	wattron(scr, COLOR_PAIR(1) | A_BOLD);
+
+	#if debug
+	int x;
+	int y;
+	getmaxyx(scr, y, x);
+	if (!regs) {
+		regs = newwin(24, 80, 1, (x/2));
+	}
+	nodelay(regs, 0);
+	keypad(regs, 1);
+	scrollok(regs, 1);
+	wattron(regs, COLOR_PAIR(1) | A_BOLD);
+	if (!inst_win) {
+		inst_win = newwin(28, (x/2)-20, 0, 0);
+	}
+	nodelay(inst_win, 0);
+	keypad(inst_win, 1);
+	scrollok(inst_win, 1);
+	wattron(inst_win, COLOR_PAIR(1) | A_BOLD);
+	if (!dbg_win) {
+		dbg_win = newwin(33, x, y-33, 0);
+	}
+	nodelay(dbg_win, 0);
+	keypad(dbg_win, 1);
+	scrollok(dbg_win, 1);
+	wattron(dbg_win, COLOR_PAIR(1) | A_BOLD);
+	#endif
 }
 
 int main(int argc, char **argv) {
@@ -368,13 +406,26 @@ int main(int argc, char **argv) {
 			return 0;
 		}
 	}
-	sprintf(tmp, "\033[2J\033[H");
+	/*sprintf(tmp, "\033[2J\033[H");
 	fwrite(tmp, sizeof(char), strlen(tmp), stdout);
-	fflush(stdout);
+	fflush(stdout);*/
 	init_scr();
 	werase(scr);
 	wmove(scr, 0, 0);
 	wrefresh(scr);
+	#if debug
+	werase(regs);
+	wmove(regs, 0, 0);
+	wrefresh(regs);
+
+	werase(inst_win);
+	wmove(inst_win, 0, 0);
+	wrefresh(inst_win);
+
+	werase(dbg_win);
+	wmove(dbg_win, 0, 0);
+	wrefresh(dbg_win);
+	#endif
 	pthread_t therads[THREADS];
 	int result;
 	uint16_t vec = 0xFFC0;
@@ -412,10 +463,14 @@ int main(int argc, char **argv) {
 		thr[i].sx.sp = (i << 16) | 0xFFFF;
 		offset = (i) ? ((i-1) << 3) : 0;
 		vec = (i) ? 0xFF50 : 0xFFC0;
-		thr[i].sx.a = 0;
-		thr[i].sx.b = 0;
-		thr[i].sx.x = 0;
-		thr[i].sx.y = 0;
+		thr[i].sx.a = 0, thr[i].sx.b = 0;
+		thr[i].sx.x = 0, thr[i].sx.y = 0;
+		thr[i].sx.e = 0, thr[i].sx.c = 0;
+		thr[i].sx.d = 0, thr[i].sx.s = 0;
+		thr[i].sx.f = 0, thr[i].sx.bp = 0;
+		thr[i].sx.r11 = 0, thr[i].sx.r12 = 0;
+		thr[i].sx.r12 = 0, thr[i].sx.r13 = 0;
+		thr[i].sx.r14 = 0, thr[i].sx.r15 = 0;
 		thr[i].sx.pc = read_value(&thr[i].sx, 0, vec+offset, 7, 0, 0);
 		thr[i].th = i;
 		#if !IO
diff --git a/sux.h b/sux.h
index 6d4d283..9af8128 100644
--- a/sux.h
+++ b/sux.h
@@ -24,6 +24,9 @@
 extern uint8_t kbd_rdy;
 
 extern WINDOW *scr;
+extern WINDOW *regs;
+extern WINDOW *inst_win;
+extern WINDOW *dbg_win;
 
 #if debug
 extern uint8_t subdbg;
@@ -52,8 +55,9 @@ extern pthread_cond_t cond;
 extern pthread_cond_t main_cond;
 
 #if debug
-extern void print_regs(struct sux *cpu, uint8_t lines, uint8_t thread);
-extern void disasm(struct sux *cpu, uint8_t lines, uint8_t opcode, uint8_t prefix, uint8_t ext_prefix, uint8_t prefix2, uint8_t *op_type, uint8_t *op_id, uint8_t thread);
+extern void print_info(struct sux *cpu, WINDOW *w, uint8_t lines, uint8_t thread);
+extern void print_regs(struct sux *cpu, WINDOW *w);
+extern void disasm(struct sux *cpu, WINDOW *w, uint8_t lines, uint8_t opcode, uint8_t prefix, uint8_t ext_prefix, uint8_t prefix2, uint8_t *op_type, uint8_t *op_id, uint8_t thread);
 #endif
 
 /*#define KEYBUF_SIZE 0x40