cpu.c

@@ -123,7 +123,6 @@ int cpu_simdata_malloc(struct simdata_t *simdata){
 	simdata->fetch_data=malloc_fetch_data();
 	simdata->decode_data=malloc_decode_data();
 	simdata->exec_data=malloc_exec_data();
-	simdata->registers=malloc(sizeof(struct registers_t));
 	if((simdata->fetch_data!=NULL)&&(simdata->decode_data!=NULL)&&(simdata->exec_data!=NULL))
 		return 1;
 	else
@@ -134,5 +133,4 @@ void cpu_simdata_free(struct simdata_t *simdata){
 	free_fetch_data(simdata->fetch_data);
 	free_decode_data(simdata->decode_data);
 	free_exec_data(simdata->exec_data);
-	free(simdata->registers);
 }

cpu.h

@@ -50,19 +50,5 @@ void cpu_simdata_free(struct simdata_t *simdata);
 int cpu_simdata_malloc(struct simdata_t *simdata);
 int cpu_cycle_clock(struct simdata_t *simdata);
 
-// +===================+
-// | BIT |    USAGE    |
-// |-----+-------------|
-// |  0  |    ZERO     |
-// |-----+-------------|
-// |  1  |    CARRY    |
-// |-----+-------------|
-// |  2  |    SIGN     |
-//
-struct registers_t{
-	uint32_t GPR[8];
-	uint32_t FLAGS;
-};
-
 #endif
 #define CPU_HEADER

gui.c

@@ -22,7 +22,6 @@
 #include "simdata.h"
 #include "assembly.h"
 #include <stdlib.h>
-#include "cpu.h"
 
 #define GENERAL_STACK_MAX_WIDTH 16
 #define GENERAL_DISAS_WIDTH 41
@@ -34,7 +33,6 @@ WINDOW *tabs;
 WINDOW *general_memdump;
 WINDOW *general_stack;
 WINDOW *general_disas;
-WINDOW *general_registers;
 
 int monochrome;
 
@@ -58,8 +56,6 @@ int gui_ncurses_refresh(){
 		return 1;
 	if(wrefresh(general_disas)==ERR)
 		return 1;
-	if(wrefresh(general_registers)==ERR)
-		return 1;
 	return 0;
 }
 
@@ -136,38 +132,21 @@ int start_gui(){
 	tabs = newwin(1,terminal_width,0,0);
 	update_tabs();
 	int len;
-
-	int y1_divider;
-
-	int border=4;
-
-	if( (terminal_height-2*border)*0.2 < 8 )
-		y1_divider=terminal_height-border-8;
-	else if ( ( terminal_height - 2*border )*0.2 < 15 )
-		y1_divider=terminal_height-border-11;
-	else
-		y1_divider=(terminal_height-border*2)*0.8;
-
-	int x=border;
-
-	general_memdump=newwin(y1_divider,terminal_width/2,x,border);
+	int x=4;
+	general_memdump=newwin(terminal_height*0.8,terminal_width/2,x,5);
 	x+=terminal_width/2;
 	x++;
 
 	x+=3;
 	len=(terminal_width/6)>GENERAL_DISAS_WIDTH?GENERAL_DISAS_WIDTH:(terminal_width/6);
-	general_disas=newwin(y1_divider,len,4,x);
+	general_disas=newwin(terminal_height*0.8,len,4,x);
 	x+=len;
 
 	x+=3;
 	len=(terminal_width/6)>GENERAL_STACK_MAX_WIDTH?GENERAL_STACK_MAX_WIDTH:(terminal_width/6);
-	general_stack=newwin(y1_divider,len,4,x);
+	general_stack=newwin(terminal_height*0.8,len,4,x);
 	x+=len;
 
-	general_registers=newwin(terminal_height-y1_divider-border-1,terminal_width/2,y1_divider+border+1,border);
-	x+=terminal_width/2;
-	x++;
-
 	if(gui_ncurses_refresh())
 		return 1;
 	return 0;
@@ -334,62 +313,6 @@ int update_general_memdump(struct simdata_t *simdata){
 	return 0;
 }
 
-int update_general_registers(struct simdata_t *simdata){
-	int width,height;
-	getmaxyx(general_registers,height,width);
-	box(general_registers, 0 , 0);
-	mvwprintw(general_registers,0,terminal_width/4-7,"[ REGISTERS ]");
-	if(simdata->registers==NULL)
-		mvwprintw(general_registers,1,1,"Registers data structure not initialised");
-	else{
-		int per_line=width/35;
-		if(per_line==0)
-			mvwprintw(general_registers,1,1,"too small window");
-		else{
-			int center_x_offset=((width-2)-35*per_line)/2;
-			int lines_used=(8/(int)per_line<8/(float)per_line)?8/per_line+1:8/per_line;
-			int center_y_offset=((height-2)-(lines_used+2))/2;
-
-			if((lines_used+2)>(height-2)||width<37)
-				mvwprintw(general_registers,1,1,"too small window");
-			else{
-				int n=0,y=0;
-				while(y!=lines_used){
-					for(int i=0;i<per_line;i++){
-						if(n<8){
-							mvwprintw(general_registers,1+y+center_y_offset,1+i*35+center_x_offset,"R%d: %08X (%lf) ",n,simdata->registers->GPR[n],(double)simdata->registers->GPR[n]);
-							n++;
-						}
-					}
-					y++;
-				}
-
-				for(int i=0;i<35*per_line;i++)
-					mvwaddch(general_registers,1+center_y_offset+lines_used,center_x_offset+i,ACS_HLINE);
-
-				wattron(general_registers,A_BOLD);
-				mvwprintw(general_registers,1+center_y_offset+lines_used+1,1+center_x_offset,"  ZERO");
-				wattroff(general_registers,A_BOLD);
-				wprintw(general_registers,": %c  ",(simdata->registers->FLAGS&1)?'1':'0');
-
-				wattron(general_registers,A_BOLD);
-				wprintw(general_registers,"CARRY");
-				wattroff(general_registers,A_BOLD);
-				wprintw(general_registers,": %c  ",(simdata->registers->FLAGS&2)?'1':'0');
-
-				wattron(general_registers,A_BOLD);
-				wprintw(general_registers,"SIGN");
-				wattroff(general_registers,A_BOLD);
-				wprintw(general_registers,": %c  ",(simdata->registers->FLAGS&4)?'1':'0');
-			}
-		}
-	}
-	if(height!=34242321)
-		return 0;
-	else
-		return 0;
-}
-
 int clear_back_window=1;
 
 int update_gui(struct simdata_t *simdata){
@@ -404,8 +327,6 @@ int update_gui(struct simdata_t *simdata){
 		return 1;
 	if(update_general_disas(simdata))
 		return 1;
-	if(update_general_registers(simdata))
-		return 1;
 	if(gui_ncurses_refresh())
 		return 1;
 	return 0;
@@ -413,14 +334,8 @@ int update_gui(struct simdata_t *simdata){
 
 int gui_continue_request(){
 	char inch;
-	int release=0;
-	while(release==0){
-		if(((inch=getch())==ERR)){
-			if(CPU_STATE==SINGLE_STEPPING)
+	if(((inch=getch())==ERR)&&CPU_STATE==SINGLE_STEPPING)
 		return 1;
-			else
-				release=1;
-		}
 	switch(inch){
 		case 'r':
 			if(CPU_STATE==RUNNING){
@@ -433,11 +348,6 @@ int gui_continue_request(){
 			break;
 		case 'q':
 			return 2;
-			case '\n':
-				release=1;
-				break;
-			default:
-		}
 	}
 	return 0;
 }

simdata.c

@@ -38,7 +38,6 @@ struct simdata_t *init_simdata(){
 
 	ret->PC=0;
 	ret->SP=0;
-	ret->registers=NULL;
 
 	return ret;
 }

simdata.h

@@ -9,7 +9,6 @@ struct simdata_t{
 	struct fetch_data_t *fetch_data;
 	struct decode_data_t *decode_data;
 	struct exec_data_t *exec_data;
-	struct registers_t *registers;
 };
 
 struct simdata_t *init_simdata();