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Forth-STC-dis-opcode.c
281 lines (227 loc) · 7.7 KB
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Forth-STC-dis-opcode.c
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#include <stdio.h>
#include "Shared.h"
void gen_funcHeader(char *);
LINE_T *new_line(CELL);
LINE_T *make_tag(LINE_T *);
LINE_T *make_tagF(LINE_T *, char *, ...);
LINE_T *make_code(LINE_T *, char *, ...);
LINE_T *make_codeU(LINE_T *, char *, ...);
LINE_T *make_comment(LINE_T *, char *, ...);
void set_tag(CELL, int);
extern BYTE *the_memory;
extern CELL PC, LAST_PC;
void dis_opcode(int opcode)
{
CELL arg1, arg2, arg3;
LINE_T *line = NULL;
// printf("-%04lX,%X-", LAST_PC, opcode);
switch (opcode)
{
case LITERAL:
arg1 = CELL_AT(PC);
PC += CELL_SZ;
line = make_codeU(NULL, "m_push %ld", arg1);
// make_comment(line, "LITERAL");
return;
case FETCH:
line = make_codeU(NULL, "mov ebx, [ebx]", arg1);
make_comment(line, "FETCH");
return;
case STORE:
line = make_codeU(NULL, "call prim_STORE");
return;
case SWAP:
line = make_codeU(NULL, "call prim_SWAP");
return;
case DROP:
line = make_codeU(NULL, "m_pop eax");
make_comment(line, "DROP");
return;
case DUP:
line = make_codeU(NULL, "m_push ebx");
make_comment(line, "DUP");
return;
case SLITERAL:
arg1 = the_memory[PC];
line = make_codeU(NULL, "call prim_SLITERAL");
line = make_comment(line, "(%d), '%s', (0)", arg1, &the_memory[PC+1]);
PC += arg1+2;
return;
case JMP:
arg1 = CELL_AT(PC);
PC += CELL_SZ;
line = make_codeU(NULL, "jmp L%08lX", arg1);
make_comment(line, "JMP");
set_tag(arg1, 0);
return;
case JMPZ:
arg1 = CELL_AT(PC);
PC += CELL_SZ;
line = make_codeU(NULL, "m_pop eax");
line = make_codeU(NULL, "cmp eax, 0");
line = make_codeU(NULL, "je L%08lX", arg1);
make_comment(line, "JMPZ");
set_tag(arg1, 0);
return;
case JMPNZ:
arg1 = CELL_AT(PC);
PC += CELL_SZ;
line = make_codeU(NULL, "m_pop eax");
line = make_codeU(NULL, "cmp eax, 0");
line = make_codeU(NULL, "jne L%08lX", arg1);
make_comment(line, "JMPNZ");
set_tag(arg1, 0);
return;
case CALL:
arg1 = CELL_AT(PC);
PC += CELL_SZ;
line = make_codeU(NULL, "call L%08lX", arg1);
make_comment(line, "CALL %04lX", arg1);
if (the_memory[arg1] == DICTP)
{
arg2 = CELL_AT(arg1+1);
DICT_T *dict = (DICT_T *)&the_memory[arg2];
make_comment(line, "%s", dict->name);
}
set_tag(arg1, 0);
return;
case RET:
line = make_codeU(NULL, "ret");
return;
case OR:
line = make_codeU(NULL, "call prim_OR");
return;
case CLITERAL:
arg1 = the_memory[PC];
// printf("-CL-%04lX,%X-", PC, arg1);
PC += 1;
line = make_codeU(NULL, "m_push %ld", arg1);
make_comment(line, "CLITERAL (%04lX)", arg1);
return;
case CFETCH:
line = make_codeU(NULL, "call prim_CFETCH");
return;
case CSTORE:
line = make_codeU(NULL, "call prim_CSTORE");
return;
case ADD:
line = make_codeU(NULL, "call prim_ADD");
return;
case SUB:
line = make_codeU(NULL, "call prim_SUB");
return;
case MUL:
line = make_codeU(NULL, "call prim_MUL");
return;
case DIV:
line = make_codeU(NULL, "call prim_DIV");
return;
case LT:
line = make_codeU(NULL, "call prim_LT");
return;
case EQ:
line = make_codeU(NULL, "call prim_EQ");
return;
case GT:
line = make_codeU(NULL, "call prim_GT");
return;
case DICTP:
arg2 = LAST_PC;
arg1 = CELL_AT(PC);
PC += CELL_SZ;
LAST_PC = 0;
// return;
{
char buf[256];
DICT_T *dict = (DICT_T *)&the_memory[arg1];
DICT_T *next = (dict->next > 0) ? (DICT_T *)&the_memory[dict->next] : NULL;
arg3 = (next && (next->next > 0)) ? next->XT : 0;
new_line(0);
sprintf(buf, "dict_ENTRY L%04lX, L%04lX, %d, %d, \"%s\"", dict->XT, arg3, dict->flags, dict->len, dict->name);
line = make_codeU(NULL, "%s", buf);
// set_tag(dict->next, 0);
// set_tag(arg2, 0);
line = new_line(dict->XT);
make_tag(line);
// set_tag(dict->XT, 0);
}
return;
case EMIT:
line = make_codeU(NULL, "call prim_EMIT");
return;
case OVER:
line = make_codeU(NULL, "call prim_OVER");
return;
case COMPARE:
line = make_codeU(NULL, "call prim_COMPARE");
return;
case FOPEN:
line = make_codeU(NULL, "call prim_FOPEN");
return;
case FREAD:
line = make_codeU(NULL, "call prim_FREAD");
return;
case FREADLINE:
line = make_codeU(NULL, "call prim_FREADLINE");
return;
case FWRITE:
line = make_codeU(NULL, "call prim_FWRITE");
return;
case FCLOSE:
line = make_codeU(NULL, "call prim_FCLOSE");
return;
case DTOR:
line = make_codeU(NULL, "m_pop eax");
make_comment(line, "DTOR (>R)");
line = make_codeU(NULL, "m_rpush eax");
return;
case RTOD:
line = make_codeU(NULL, "m_rpop eax");
make_comment(line, "RTOD (R>)");
line = make_codeU(NULL, "m_push eax");
return;
case LOGLEVEL:
line = make_codeU(NULL, "call prim_LOGLEVEL");
return;
case AND:
line = make_codeU(NULL, "call prim_AND");
return;
case PICK:
line = make_codeU(NULL, "call prim_PICK");
return;
case DEPTH:
line = make_codeU(NULL, "call prim_DEPTH");
return;
case GETCH:
line = make_codeU(NULL, "call prim_GETCH");
return;
case COMPAREI:
line = make_codeU(NULL, "call prim_COMPAREI");
return;
case USPUSH:
line = make_codeU(NULL, "call prim_USPUSH");
return;
case USPOP:
line = make_codeU(NULL, "call prim_USPOP");
return;
case INC:
line = make_codeU(NULL, "m_onePlus");
return;
case TIMER:
line = make_codeU(NULL, "call prim_GETTICK");
return;
case DEC:
line = make_codeU(NULL, "m_oneMinus");
return;
case BREAK:
line = make_codeU(NULL, "call prim_BREAK");
return;
case RESET:
line = make_codeU(NULL, "call prim_RESET");
return;
case BYE:
line = make_codeU(NULL, "call prim_BYE");
return;
}
return;
}