* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
-#define _GNU_SOURCE /* For getline() */
-#include <stdio.h>
#include <stdbool.h>
-#include <string.h>
-#include <ctype.h> /* For isblank, toupper() */
-#include "config.h"
+#include <stdio.h>
+#include "config.h"
#include "common.h"
#include "cpu8051.h"
-#include "reg8051.h"
-#include "sfr.h"
-#include "memory.h"
-#include "timers.h"
#include "options.h"
#include "hexfile.h"
-#include "keyboard.h"
+#include "menu.h"
+#include "parser.h"
extern struct options_t options;
-/* Capitalize all letters in buffer */
-static void
-Capitalize(char *buffer)
-{
- size_t k;
-
- for (k = 0; k < strlen(buffer); k++)
- buffer[k] = toupper(buffer[k]);
-}
-
-/* Remove leading spaces from string in buffer */
-static void
-RemoveSpaces(char *buffer)
-{
- size_t k = 0;
-
- while ((k < strlen(buffer)) && isblank(buffer[k]))
- k++;
-
- if (k != 0)
- strcpy(buffer, &buffer[k]);
-}
-
-/* Disassemble NumberInst instructions at Address */
-static void
-DisasmN(unsigned int Address, int NumberInst)
-{
- char TextTmp[255];
- int Row;
-
- for (Row = 0; Row < NumberInst ; Row++) {
- Address += cpu8051_Disasm(Address, TextTmp);
- printf("%s\n", TextTmp);
-
- if (Address > 0xFFFF)
- return;
- }
-}
-
-/* Disassemble 16 instructions at Address */
-static void
-Disasm(char *Address, char *NumberInst)
-{
- unsigned int MemAddress, NbInst;
-
- if ((strlen(Address) == 0) || (STREQ(Address, "PC")))
- MemAddress = cpu8051.pc;
- else
- MemAddress = Ascii2Hex(Address, strlen(Address));
-
- if (strlen(NumberInst) == 0)
- NumberInst = "10";
- NbInst = Ascii2Hex(NumberInst, strlen(NumberInst));
- DisasmN(MemAddress, NbInst);
-}
-
-/* Set NewValue to Register */
-static void
-SetRegister(char *Register, char *NewValue)
-{
- if (STREQ(Register, "PC"))
- cpu8051.pc = Ascii2Hex(NewValue, 4);
- else if (STREQ(Register, "A"))
- cpu8051_WriteD(_ACC_, Ascii2Hex(NewValue, 2));
- else if (STREQ(Register, "B"))
- cpu8051_WriteD(_B_, Ascii2Hex(NewValue, 2));
- else if (STREQ(Register, "SP"))
- cpu8051_WriteD(_SP_, Ascii2Hex(NewValue, 2));
- else {
- printf("\nInvalid register name!\n");
- printf("Valid registers are A, B, PC and SP.\n");
- }
-}
-
-/* Show CPU registers, one per line */
-static void
-console_dump_sfr_registers_detailed(void)
-{
- int k;
-
- for (k = 0; k < SFR_REGS; k++) {
- struct regwin_infos_t *regwin_infos;
- int val;
-
- regwin_infos = sfr_get_infos_from_row(k);
-
- printf("%s = ", regwin_infos->name);
-
- val = regwin_read(k);
- if (regwin_infos->w == 2)
- printf("$%02X", val);
- else if (regwin_infos->w == 4)
- printf("$%04X", val);
-
- printf("\n");
- }
-}
-
-/* Show CPU registers, compact format */
-static void
-console_dump_sfr_registers_compact(void)
-{
- unsigned char PSW = cpu8051_ReadD(_PSW_);
- int BankSelect = (PSW & 0x18);
-
- printf("---------------------------------------------------------------"
- "-------\n");
- printf("| PC | SP | DPTR | ACC | B | PSW: CY AC F0 RS1 RS0 OV"
- " - P |\n");
- printf("| %.4X | %.2X | %.4X | %.2X | %.2X |", cpu8051.pc,
- cpu8051_ReadD(_SP_),
- memory_sfr_read_dptr(),
- cpu8051_ReadD(_ACC_), cpu8051_ReadD(_B_));
- printf(" %d %d %d %d %d %d %d %d |",
- (PSW >> 7) & 1, (PSW >> 6) & 1, (PSW >> 5) & 1, (PSW >> 4) & 1,
- (PSW >> 3) & 1, (PSW >> 2) & 1, (PSW >> 1) & 1, PSW & 1);
- printf("\n");
- printf("---------------------------------------------------------------"
- "-------\n");
-
- printf("| TCON | TMOD | IE | IP | R0 | R1 | R2 | R3 | R4 | R5 | R6 | R7"
- " | |\n");
- printf("| %.2X | %.2X | %.2X | %.2X ", cpu8051_ReadD(_TCON_),
- cpu8051_ReadD(_TMOD_), cpu8051_ReadD(_IE_), cpu8051_ReadD(_IP_));
- printf("| %.2X | %.2X | %.2X | %.2X ",
- cpu8051_ReadD(BankSelect + _R0_),
- cpu8051_ReadD(BankSelect + _R1_),
- cpu8051_ReadD(BankSelect + _R2_),
- cpu8051_ReadD(BankSelect + _R3_));
- printf("| %.2X | %.2X | %.2X | %.2X ",
- cpu8051_ReadD(BankSelect + _R4_),
- cpu8051_ReadD(BankSelect + _R5_),
- cpu8051_ReadD(BankSelect + _R6_),
- cpu8051_ReadD(BankSelect + _R7_));
- printf("| |\n");
- printf("---------------------------------------------------------------"
- "-------\n");
-
- printf("| General-purpose Timer: %08d |\n", gp_timer_read());
- printf("-----------------------------------\n");
-}
-
-/* Show CPU registers */
-static void
-console_show_registers(void)
-{
- if (options.stop_address != 0)
- console_dump_sfr_registers_detailed();
- else
- console_dump_sfr_registers_compact();
-}
-
-/* CPU reset and Console UI update */
-static void
-console_reset(void)
-{
- log_info("Resetting...");
- cpu8051_Reset();
- log_info("Done");
-}
-
-/* CPU exec and Console UI update */
-static void
-console_exec(char *NumberInst)
-{
- int NbInst = -1; /* -1 is infinity */
-
- if (NumberInst)
- if (strlen(NumberInst) != 0)
- NbInst = Ascii2Hex(NumberInst, strlen(NumberInst));
-
- InitUnixKB();
-
- log_info("Program executing...");
-
- cpu8051_run(NbInst, kbhit);
-
- if (kbhit()) {
- (void) getch(); /* Flush key */
- log_info("Caught break signal!");
- }
-
- ResetUnixKB();
- console_show_registers();
- DisasmN(cpu8051.pc, 1);
-}
-
-/* CPU trace and Console UI update */
-static void
-console_trace()
-{
- cpu8051_Exec();
- console_show_registers();
- DisasmN(cpu8051.pc, 1);
-}
-
-/* EmuConsole main loop */
-static void
-console_main(void)
-{
- unsigned int Index;
- char *line = NULL;
- int QuitRequest = 0;
- char prompt[] = "-> ";
-
- char *Title[] = { " *******************",
- " * 8051 Emulator *",
- " *******************",
- "", 0 };
-
- char *Menu[] = {
- " Available commands, [ ] = options",
- "",
- " Set Breakpoint.............. SB [address]",
- " Remove Breakpoint........... RB [address]",
- " Display Breakpoint(s)....... DB",
- " Dump External Data Memory... DE [address] [size]",
- " Dump Internal Data Memory... DI [address] [size]",
- " Dump Program Memory......... DP [address] [size]",
- " Display Registers content... DR",
- " Execute (Run)............... EM [number of instructions]",
- " Help........................ H or ?",
- " Modify External Data Memory. ME address value",
- " Modify Internal Data Memory. MI address value",
- " Modify Program Memory....... MP address value",
- " Modify Register............. MR register value",
- " Quit Emulator............... Q",
- " Trace (step)................ T",
- " Unassemble.................. U [address]"
- " [number of instructions]",
- " Reset processor............. Z",
- " Reset general-purpose timer. ZT", 0 };
-
- console_reset();
-
- if (options.stop_address != 0) {
- /* Automatically run program and stop at specified address. */
- console_exec(NULL);
- QuitRequest = 1;
- } else {
- Index = 0;
- while (Title[Index] != 0)
- printf("%s\n", Title[Index++]);
-
- Index = 0;
- while (Menu[Index] != 0)
- printf("%s\n", Menu[Index++]);
-
- console_show_registers();
- }
-
- while (!QuitRequest) {
- int slen;
- size_t len = 0;
- int rc;
- char Command[256];
- char Args[256];
- char Parameter1[256];
- char Parameter2[256];
-
- Parameter1[0] = '\0';
- Parameter2[0] = '\0';
-
- printf("%s", prompt);
- rc = getline(&line, &len, stdin);
- if (rc < 0)
- goto syntax_error;
-
- Capitalize(line);
- RemoveSpaces(line);
-
- /* Strip trailing newline */
- slen = strlen(line);
- if (line[slen - 1] == '\n')
- line[slen - 1] = '\0';
-
- /* Find command-arguments delimiter */
- for (Index = 0; Index < strlen(line); Index++) {
- if (isblank(line[Index]))
- break;
- }
-
- if (strlen(line) == 0) {
- /* Empty line, this is not an error. */
- continue;
- }
-
- /* Keep only the Command part from the input line */
- memcpy(Command, &line[0], Index);
- Command[Index] = '\0';
-
- /* Keep only the arguments part from the input line */
- if (Index < strlen(line)) {
- slen = strlen(line) - Index;
- memcpy(Args, &line[Index + 1], slen);
- } else {
- slen = 0;
- }
- Args[slen] = '\0';
- RemoveSpaces(Args);
-
- /* Find multi-arguments delimiter */
- for (Index = 0; Index < strlen(Args); Index++) {
- if (isblank(Args[Index]))
- break;
- }
-
- memcpy(Parameter1, &Args[0], Index);
- Parameter1[Index] = '\0';
-
- if (Index < strlen(Args)) {
- slen = strlen(Args) - Index;
- memcpy(Parameter2, &Args[Index + 1], slen);
- } else {
- slen = 0;
- }
- Parameter2[slen] = '\0';
- RemoveSpaces(Parameter2);
-
- if (strlen(Command) == 0) {
- goto syntax_error;
- continue;
- }
-
- if ((strlen(Parameter1) > 4) || (strlen(Parameter2) > 4)) {
- printf("Invalid Parameter Format!\n");
- continue;
- }
-
- switch (Command[0]) {
- case 'D':
- if (STREQ(Command, "DB") &&
- (strlen(Parameter1) == 0))
- ShowBreakpoints();
- else if (STREQ(Command, "DE"))
- DumpMem(Parameter1, Parameter2, EXT_MEM_ID);
- else if (STREQ(Command, "DI"))
- DumpMem(Parameter1, Parameter2, INT_MEM_ID);
- else if (STREQ(Command, "DP")) {
- if ((strlen(Parameter1) == 0))
- strcpy(Parameter1, "PC");
- DumpMem(Parameter1, Parameter2, PGM_MEM_ID);
- } else if (STREQ(Command, "DR") &&
- (strlen(Parameter1) == 0))
- console_show_registers();
- else
- goto syntax_error;
- break;
- case 'E':
- if (STREQ(Command, "EM") &&
- (strlen(Parameter1) == 0))
- console_exec(NULL);
- else if (STREQ(Command, "EM") &&
- (strlen(Parameter1) != 0))
- console_exec(Parameter1);
- else
- goto syntax_error;
- break;
- case 'H':
- case '?':
- if ((STREQ(Command, "H") || STREQ(Command, "?")) &&
- (strlen(Parameter1) == 0) &&
- (strlen(Parameter2) == 0)) {
- Index = 0;
- while (Menu[Index] != 0)
- printf("%s\n", Menu[Index++]);
- } else
- goto syntax_error;
- break;
- case 'M':
- if ((strlen(Parameter1) == 0) ||
- (strlen(Parameter2) == 0))
- printf("Missing Parameter!\n");
- else if (STREQ(Command, "ME")) {
- unsigned int adresse = Ascii2Hex(Parameter1, 4);
- unsigned char valeur = Ascii2Hex(Parameter2, 2);
- memory_write8(EXT_MEM_ID, adresse, valeur);
- } else if (STREQ(Command, "MI")) {
- unsigned int adresse = Ascii2Hex(Parameter1, 2);
- unsigned char valeur = Ascii2Hex(Parameter2, 2);
- memory_write8(INT_MEM_ID, adresse, valeur);
- } else if (STREQ(Command, "MP")) {
- unsigned int adresse = Ascii2Hex(Parameter1, 4);
- unsigned char valeur = Ascii2Hex(Parameter2, 2);
- memory_write8(PGM_MEM_ID, adresse, valeur);
- } else if (STREQ(Command, "MR"))
- SetRegister(Parameter1, Parameter2);
- else
- goto syntax_error;
- break;
- case 'Q':
- if (STREQ(Command, "Q") && (strlen(Parameter1) == 0) &&
- (strlen(Parameter2) == 0))
- QuitRequest = 1;
- else
- goto syntax_error;
- break;
- case 'R':
- if (strlen(Parameter2) != 0)
- goto TooMuchParameters;
- if (STREQ(Command, "RB")) {
- if (strlen(Parameter1) == 0)
- ClearBreakpoint(cpu8051.pc);
- else
- ClearBreakpoint(
- Ascii2Hex(Parameter1, 4));
- } else
- goto syntax_error;
- break;
- case 'S':
- if (strlen(Parameter2) != 0)
- goto TooMuchParameters;
-
- if (STREQ(Command, "SB")) {
- if (strlen(Parameter1) == 0)
- SetBreakpoint(cpu8051.pc);
- else
- SetBreakpoint(Ascii2Hex(Parameter1, 4));
- } else
- goto syntax_error;
- break;
- case 'T':
- if ((strlen(Parameter1) != 0) ||
- (strlen(Parameter2) != 0))
- printf("Wrong Number of Parameters!\n");
-
- if (STREQ(Command, "T"))
- console_trace();
- else
- goto syntax_error;
- break;
- case 'U':
- if (STREQ(Command, "U"))
- Disasm(Parameter1, Parameter2);
- else
- goto syntax_error;
- break;
- case 'Z':
- if (STREQ(Command, "Z") && (strlen(Parameter1) == 0) &&
- (strlen(Parameter2) == 0))
- cpu8051_Reset();
- else if (STREQ(Command, "ZT") &&
- (strlen(Parameter1) == 0) &&
- (strlen(Parameter2) == 0))
- gp_timer_reset();
- else
- goto syntax_error;
- break;
- case '\n':
- break;
- default:
- goto syntax_error;
- }
- continue;
-
-syntax_error:
- printf("Syntax Error!\n");
- continue;
-TooMuchParameters:
- printf("Wrong Number of Parameters!\n");
- continue;
- }
-
- if (line)
- free(line);
-}
-
int
main(int argc, char **argv)
{
exit(1);
}
- console_main();
+ console_reset();
- log_info("Terminate");
+ if (options.stop_address != 0) {
+ /* Automatically run program and stop at specified address. */
+ console_exec(-1);
+ } else {
+ menu_display_usage();
+ console_show_registers();
+ menu_prompt();
+ yyparse();
+ }
return 0;
}
projects / emu8051.git / blobdiff