Added Conditional Branching , Added Load and Move , Reduced Data Stack Size to 16 from 20

Author: BaibhavPenguin

build/v0.0218.04.45/uvr_build.hex

@@ -21,8 +21,8 @@
 
 #define cerase 23   //erase   --done (message left)
 
+#define cmove 181   //.move
 
-#define ctoggle 209  //.toggle  --done 
 #define hwport 100  //.hwport   --done
 #define cdefine 37  // .define  --done
 #define cprog 117   // prog     --done
@@ -41,11 +41,11 @@
 #define cassign 176 // .assign  --done
 
 #define cdelete 65  // .delete
-#define cload 250   //.load
-#define ccopy 125    //.copy
-#define cif 168     // .if       
+#define cload 250   //.load --done 
+#define ccopy 125    //.copy    --done
+#define cif 168     // .if   --done    
 #define cloop 146   // .loop    
-#define cfi 141     // .fi
+
 #define cgoto 59    // .goto
 #define cblock 21   // .block
 
@@ -55,11 +55,14 @@
 #define crshift 212 // rshift   --done
 #define clshift 20  // lshift   --done
 
-
-
-
+#define cfi 141      // .fi     --done
+#define endifl 30
+#define endifh 30
+#define fcheckfi 225
+#define scheckfi 255
 
 // cls handling done by clear_terminal system routine.
 
 
-#endif  //command_h
+#endif  //command_h
+

include/command.h

@@ -29,7 +29,7 @@
 #define dat_flag 253 //.datax
 
 #define operand_exceeds 119     // exceeds
-#define operand_preceeds 215       // preceeds
+#define operand_precedes 199       // preceeds
 #define operand_equ 131 // equ
 #define operand_neq 139 // neq
 

include/flags.h

@@ -25,12 +25,14 @@ static inline void assign_handler(void);
 
 static void rshift_handler(void);
 static void lshift_handler(void);
-static inline void if_handler(void);
+static void if_handler(void);
 static inline void hwport_handler(void);
-static void toggle_handler(void);
+
 
 static inline void copy_handler(void);
+static void fi_handler(void);
 
+static void load_handler(void);
 
 
 

include/handlers.h

@@ -30,6 +30,7 @@ static inline void assign_parser(void);
 
 static void dual_operand_line_parser(void);  //increment //decrement //not //delete //print //assign
 
+static inline void fi_parser(void);
 
 static void if_parser(void);
 static inline void hwport_parser(void);

include/parser.h

@@ -22,6 +22,9 @@
 
 #define buffer_size 32
 
+#define prog_buffer_size 80
+
+
 
 
 
@@ -88,6 +91,7 @@ __code static char running_program_msg[35] = "\033[33mExecuting script at runtim
 #define ERR_NONPERMITTED_ACCESS 0x05
 #define ERR_INVALID_BLOCK 0x06
 #define ERR_INVALID_OPERAND 0x07
+#define ERR_MISSING_FI 0x08
 #define NO_ERROR 0x00
 
 

include/uvr_const.h

@@ -31,7 +31,9 @@ volatile unsigned int __data __at (0x3E) result = 0;
 //=============================== MULTIPLEXED BUFFER ===========================================
 
 volatile unsigned char __data __at (0x40) input_buffer[32] = {0};
-volatile unsigned char __data __at (0x60) virtual_data_stack[10][2] = {{0}};
+volatile unsigned char __data __at (0x60) virtual_data_stack[8][2] = {{0}};
+volatile unsigned char __data __at(0x71) local_loop_stack[2] = {0};
+volatile unsigned char __data __at(0x73) local_conditional_stack[2] = {0};
 volatile unsigned char __data __at (0x75) result_char_buffer[5] = {'0'};
 volatile unsigned int __data __at(0x7A) temp_integer = 0;
 

include/uvr_variable.h

@@ -1,10 +1,17 @@
 #ifndef virtual_stack_manager_h
 #define virtual_stack_manager_h
 
-#define data_stack_limit 10
+#define data_stack_limit 8
 #define symbol 0
 #define data_segment 1
 
+#define loop_var 0
+#define return_addr 1
+
+#define condition 0
+#define skip_addr 1
+
+
 static unsigned char fetch_data_variable(unsigned char);
 static void create_data_variable(unsigned char);
 static void assign_data_variable(unsigned char,unsigned char);