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|
%{
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "config.h"
#include "log.h"
#include "menu.h"
#include "memory.h"
#include "timers.h"
#include "cpu8051.h"
/* int yydebug = 1; */
/* To get rid of compiler warning. */
int yylex();
int yyerror(const char *str)
{
fprintf(stderr,"error: %s\n", str);
return 0;
}
%}
%union
{
int number;
char *string;
}
%token <number> NUMBER
%token <string> WORD
%token TOK_ENTER TOK_ALL
%token TOK_SB TOK_RB TOK_DB
%token TOK_DE TOK_DI TOK_DP TOK_DR
%token TOK_HELP
%token TOK_RUN
%token TOK_RST TOK_RST_TIMER
%token TOK_STEP
%token TOK_UNASM
%token TOK_MOD_EXT TOK_MOD_INT TOK_MOD_PROG TOK_MOD_REG
%token TOK_QUIT
%%
start : start command { menu_prompt(); }
| error TOK_ENTER {
/* In case of error, discard entire line */
yyerrok;
menu_prompt();
}
| start TOK_ENTER { menu_prompt(); }
|
;
command:
breakpoint_clr
|
breakpoint_set
|
breakpoint_display
|
dump_mem
|
display_regs
|
help
|
modify
|
quit
|
reset
|
run
|
step
|
unasm
;
breakpoint_clr:
TOK_RB NUMBER TOK_ENTER
{
log_debug(" Remove breakpoint at $%04X", $2);
ClearBreakpoint($2);
}
|
TOK_RB TOK_ENTER
{
log_debug(" Remove breakpoint at PC");
ClearBreakpoint(cpu8051.pc);
}
|
TOK_RB TOK_ALL TOK_ENTER
{
log_debug(" Remove all breakpoints");
ClearAllBreakpoints();
}
;
breakpoint_set:
TOK_SB TOK_ENTER
{
log_debug(" Set breakpoint at PC");
SetBreakpoint(cpu8051.pc);
}
|
TOK_SB NUMBER TOK_ENTER
{
log_debug(" Set breakpoint at $%04X", $2);
SetBreakpoint($2);
}
;
breakpoint_display:
TOK_DB TOK_ENTER
{
log_debug(" Display breakpoints");
ShowBreakpoints();
}
;
dump_mem:
TOK_DE NUMBER NUMBER TOK_ENTER
{
log_debug(" Dump External Data Memory at $%04X, len %d", $2, $3);
DumpMem($2, $3, EXT_MEM_ID);
}
|
TOK_DI NUMBER NUMBER TOK_ENTER
{
log_debug(" Dump Internal Data Memory at $%04X, len %d", $2, $3);
DumpMem($2, $3, INT_MEM_ID);
}
|
TOK_DP NUMBER NUMBER TOK_ENTER
{
log_debug(" Dump Program Memory at $%04X, len %d", $2, $3);
DumpMem($2, $3, PGM_MEM_ID);
}
;
display_regs:
TOK_DR TOK_ENTER
{
log_debug(" Display Registers");
console_show_registers();
}
;
modify:
TOK_MOD_EXT NUMBER NUMBER TOK_ENTER
{
log_debug(" Modify external memory");
memory_write8(EXT_MEM_ID, $2, $3);
}
|
TOK_MOD_INT NUMBER NUMBER TOK_ENTER
{
log_debug(" Modify internal memory");
memory_write8(INT_MEM_ID, $2, $3);
}
|
TOK_MOD_PROG NUMBER NUMBER TOK_ENTER
{
log_debug(" Modify program memory");
memory_write8(PGM_MEM_ID, $2, $3);
}
|
TOK_MOD_REG WORD NUMBER TOK_ENTER
{
SetRegister($2, $3);
}
;
quit:
TOK_QUIT TOK_ENTER
{
printf(" Quit");
YYACCEPT;
}
;
run:
TOK_RUN TOK_ENTER
{
log_debug(" Run");
console_exec(-1);
}
|
TOK_RUN NUMBER TOK_ENTER
{
log_debug(" Run %d instructions", $2);
console_exec($2);
}
;
help:
TOK_HELP TOK_ENTER
{
menu_display_usage();
}
;
reset:
TOK_RST TOK_ENTER
{
cpu8051_Reset();
}
|
TOK_RST_TIMER TOK_ENTER
{
gp_timer_reset();
}
;
step:
TOK_STEP TOK_ENTER
{
console_trace();
}
;
unasm:
TOK_UNASM NUMBER NUMBER TOK_ENTER
{
DisasmN($2, $3);
}
|
TOK_UNASM NUMBER TOK_ENTER
{
DisasmN(cpu8051.pc, $2);
}
;
|
TOK_UNASM TOK_ENTER
{
DisasmN(cpu8051.pc, 16);
}
;
|
