/*
Read hardware parameter block from image.
*/
int ti68k_get_hw_param_block(uint8_t *rom_data, uint8_t rom_base, HW_PARM_BLOCK *s)
{
int i = 0;
uint32_t addr;
addr = rd_long(&rom_data[0x104]);
addr &= 0x000fffff;
memset(s, 0, sizeof(HW_PARM_BLOCK));
s->len = rd_word(&(rom_data[addr+0]));
if(s->len > 2+(4*i++))
s->hardwareID = rd_long(&(rom_data[addr+2]));
if(s->len > 2+(4*i++))
s->hardwareRevision = rd_long(&(rom_data[addr+6]));
if(s->len > 2+(4*i++))
s->bootMajor = rd_long(&(rom_data[addr+10]));
if(s->len > 2+(4*i++))
s->bootRevision = rd_long(&(rom_data[addr+14]));
if(s->len > 2+(4*i++))
s->bootBuild = rd_long(&(rom_data[addr+18]));
if(s->len > 2+(4*i++))
s->gateArray = rd_long(&(rom_data[addr+22]));
if(s->len > 2+(4*i++))
s->physDisplayBitsWide = rd_long(&(rom_data[addr+26]));
if(s->len > 2+(4*i++))
s->physDisplayBitsTall = rd_long(&(rom_data[addr+30]));
if(s->len > 2+(4*i++))
s->LCDBitsWide = rd_long(&(rom_data[addr+34]));
if(s->len > 2+(4*i++))
s->LCDBitsTall = rd_long(&(rom_data[addr+38]));
if((s->hardwareID == HWID_V200) && (rom_base == 0x40))
{
tiemu_info(_("Detected V200 patched ROM (ExtendeD): emulated as TI92+ by changing the hwID from 8 to 1."));
s->hardwareID = HWID_TI92P;
}
if((s->hardwareID == HWID_TI89T) && (rom_base == 0x20))
{
tiemu_info(_("Detected TI89 Titanium patched ROM (ExtendeD): emulated as TI89 by changing the hwID from 9 to 3."));
s->hardwareID = HWID_TI89;
}
return 0;
}
/* do the actual work */
static int assemble (const char *str, unsigned char *_obuf) {
int ifcount = 0, noifcount = 0;
const char *ptr;
char *bufptr;
int r, s; /* registers */
obuflen = 0;
obuf = _obuf;
/* continue assembling until the last input file is done */
//for (file = 0; file < infilecount; ++file)
do {
int cmd, cont = 1;
// XXX: must free
z80buffer = strdup (str);
if (!cont)
break; /* break to next source file */
// if (havelist)
// fprintf (listfile, "%04x", addr);
for (bufptr = z80buffer; (bufptr = strchr (bufptr, '\n'));)
*bufptr = ' ';
for (bufptr = z80buffer; (bufptr = strchr (bufptr, '\r'));)
*bufptr = ' ';
ptr = z80buffer;
//lastlabel = NULL;
baseaddr = addr;
++stack[sp].line;
ptr = delspc (ptr);
if (!*ptr)
continue;
if (!noifcount && !define_macro)
readlabel (&ptr, 1);
else
readlabel (&ptr, 0);
ptr = delspc (ptr);
if (!*ptr)
continue;
comma = 0;
indexed = 0;
indexjmp = 0;
writebyte = 0;
readbyte = 0;
readword = 0;
cmd = readcommand (&ptr) - 1;
int i, have_quote;
switch (cmd) {
case Z80_ADC:
if (!(r = rd_a_hl (&ptr)))
break;
if (r == HL) {
if (!(r = rd_rr_ (&ptr)))
break;
wrtb (0xED);
wrtb (0x4A + 0x10 * --r);
break;
}
if (!(r = rd_r (&ptr)))
break;
wrtb (0x88 + --r);
break;
case Z80_ADD:
if (!(r = rd_r_add (&ptr)))
break;
if (r == addHL) {
if (!(r = rd_rrxx (&ptr)))
break;
wrtb (0x09 + 0x10 * --r); /* ADD HL/IX/IY, qq */
break;
}
if (has_argument (&ptr)) {
if (r != A) {
eprintf ("parse error before: %s\n", ptr);
break;
}
if (!(r = rd_r (&ptr)))
break;
wrtb (0x80 + --r); /* ADD A,r */
break;
}
wrtb (0x80 + --r); /* ADD r */
break;
case Z80_AND:
if (!(r = rd_r (&ptr)))
break;
wrtb (0xA0 + --r);
break;
case Z80_BIT:
if (!rd_0_7 (&ptr))
break;
rd_comma (&ptr);
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x40 + (r - 1));
break;
case Z80_CALL:
if ((r = rd_cc (&ptr))) {
wrtb (0xC4 + 8 * --r);
rd_comma (&ptr);
} else wrtb (0xCD);
break;
case Z80_CCF:
wrtb (0x3F);
break;
case Z80_CP:
if (!(r = rd_r (&ptr)))
break;
wrtb (0xB8 + --r);
break;
case Z80_CPD:
wrtb (0xED);
wrtb (0xA9);
break;
case Z80_CPDR:
wrtb (0xED);
wrtb (0xB9);
break;
case Z80_CPI:
wrtb (0xED);
wrtb (0xA1);
break;
case Z80_CPIR:
wrtb (0xED);
wrtb (0xB1);
break;
case Z80_CPL:
wrtb (0x2F);
break;
case Z80_DAA:
wrtb (0x27);
break;
case Z80_DEC:
if (!(r = rd_r_rr (&ptr)))
break;
if (r < 0) {
wrtb (0x05 - 8 * ++r);
break;
}
wrtb (0x0B + 0x10 * --r);
break;
case Z80_DI:
wrtb (0xF3);
break;
case Z80_DJNZ:
wrtb (0x10);
//rd_wrt_jr (&ptr, '\0');
break;
case Z80_EI:
wrtb (0xFB);
break;
case Z80_EX:
if (!(r = rd_ex1 (&ptr)))
break;
switch (r) {
case DE:
if (!rd_hl (&ptr))
break;
wrtb (0xEB);
break;
case AF:
if (!rd_af_ (&ptr))
break;
wrtb (0x08);
break;
default:
if (!rd_hlx (&ptr))
break;
wrtb (0xE3);
}
break;
case Z80_EXX:
wrtb (0xD9);
break;
case Z80_HALT:
wrtb (0x76);
break;
case Z80_IM:
if (!(r = rd_0_2 (&ptr)))
break;
wrtb (0xED);
wrtb (0x46 + 8 * --r);
break;
case Z80_IN:
if (!(r = rd_in (&ptr)))
break;
if (r == A) {
if (!(r = rd_nnc (&ptr)))
break;
if (r == C) {
wrtb (0xED);
wrtb (0x40 + 8 * (A - 1));
break;
}
wrtb (0xDB);
break;
}
if (!rd_c (&ptr))
break;
wrtb (0xED);
wrtb (0x40 + 8 * --r);
break;
case Z80_INC:
if (!(r = rd_r_rr (&ptr)))
break;
if (r < 0) {
wrtb (0x04 - 8 * ++r);
break;
}
wrtb (0x03 + 0x10 * --r);
break;
case Z80_IND:
wrtb (0xED);
wrtb (0xAA);
break;
case Z80_INDR:
wrtb (0xED);
wrtb (0xBA);
break;
case Z80_INI:
wrtb (0xED);
wrtb (0xA2);
break;
case Z80_INIR:
wrtb (0xED);
wrtb (0xB2);
break;
case Z80_JP:
r = rd_jp (&ptr);
if (r < 0) {
wrtb (0xE9);
break;
}
if (r) {
wrtb (0xC2 + 8 * --r);
rd_comma (&ptr);
} else wrtb (0xC3);
break;
case Z80_JR:
r = rd_jr (&ptr);
if (r)
rd_comma (&ptr);
wrtb (0x18 + 8 * r);
break;
case Z80_LD:
if (!(r = rd_ld (&ptr)))
break;
switch (r) {
case ld_BC:
case ld_DE:
if (!rd_a (&ptr))
break;
wrtb (0x02 + 0x10 * (r == ld_DE));
break;
case ld_HL:
r = rd_ld_hl (&ptr);
wrtb (0x70 + --r);
break;
case ld_NN:
if (!(r = rd_ld_nn (&ptr)))
break;
if (r == ld_nnA || r == ld_nnHL) {
wrtb (0x22 + 0x10 * (r == ld_nnA));
break;
}
wrtb (0xED);
wrtb (0x43 + 0x10 * --r);
break;
case ldA:
if (!(r = rd_lda (&ptr)))
break;
if (r == A_NN) {
wrtb (0x3A);
break;
}
if (r == A_I || r == A_R) {
wrtb (0xED);
wrtb (0x57 + 8 * (r == A_R));
break;
}
if (r < 0) {
wrtb (0x0A - 0x10 * ++r);
break;
}
wrtb (0x78 + --r);
break;
case ldB:
case ldC:
case ldD:
case ldE:
case ldH:
case ldL:
if (!(s = rd_ldbcdehla (&ptr)))
break;
wrtb (0x40 + 0x08 * (r - 7) + (s - 1));
break;
case ldBC:
case ldDE:
s = rd_nn_nn (&ptr);
if (s == _NN) {
wrtb (0xED);
wrtb (0x4B + 0x10 * (r == ldDE));
break;
}
wrtb (0x01 + (r == ldDE) * 0x10);
break;
case ldHL:
r = rd_nn_nn (&ptr);
wrtb (0x21 + (r == _NN) * 9);
break;
case ldI:
case ldR:
if (!rd_a (&ptr))
break;
wrtb (0xED);
wrtb (0x47 + 0x08 * (r == ldR));
break;
case ldSP:
r = rd_sp (&ptr);
if (r == SPHL) {
wrtb (0xF9);
break;
}
if (r == SPNN) {
wrtb (0x31);
break;
}
wrtb (0xED);
wrtb (0x7B);
break;
}
break;
case Z80_LDD:
wrtb (0xED);
wrtb (0xA8);
break;
case Z80_LDDR:
wrtb (0xED);
wrtb (0xB8);
break;
case Z80_LDI:
wrtb (0xED);
wrtb (0xA0);
break;
case Z80_LDIR:
wrtb (0xED);
wrtb (0xB0);
break;
case Z80_NEG:
wrtb (0xED);
wrtb (0x44);
break;
case Z80_NOP:
wrtb (0x00);
break;
case Z80_OR:
if (!(r = rd_r (&ptr)))
break;
wrtb (0xB0 + --r);
break;
case Z80_OTDR:
wrtb (0xED);
wrtb (0xBB);
break;
case Z80_OTIR:
wrtb (0xED);
wrtb (0xB3);
break;
case Z80_OUT:
if (!(r = rd_nnc (&ptr)))
break;
if (r == C) {
if (!(r = rd_out (&ptr)))
break;
wrtb (0xED);
wrtb (0x41 + 8 * --r);
break;
}
if (!rd_a (&ptr))
break;
wrtb (0xD3);
break;
case Z80_OUTD:
wrtb (0xED);
wrtb (0xAB);
break;
case Z80_OUTI:
wrtb (0xED);
wrtb (0xA3);
break;
case Z80_POP:
if (!(r = rd_stack (&ptr)))
break;
wrtb (0xC1 + 0x10 * --r);
break;
case Z80_PUSH:
if (!(r = rd_stack (&ptr)))
break;
wrtb (0xC5 + 0x10 * --r);
break;
case Z80_RES:
if (!rd_0_7 (&ptr))
break;
rd_comma (&ptr);
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x80 + --r);
break;
case Z80_RET:
if (!(r = rd_cc (&ptr))) {
wrtb (0xC9);
break;
}
wrtb (0xC0 + 8 * --r);
break;
case Z80_RETI:
wrtb (0xED);
wrtb (0x4D);
break;
case Z80_RETN:
wrtb (0xED);
wrtb (0x45);
break;
case Z80_RL:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x10 + --r);
break;
case Z80_RLA:
wrtb (0x17);
break;
case Z80_RLC:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x00 + --r);
break;
case Z80_RLCA:
wrtb (0x07);
break;
case Z80_RLD:
wrtb (0xED);
wrtb (0x6F);
break;
case Z80_RR:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x18 + --r);
break;
case Z80_RRA:
wrtb (0x1F);
break;
case Z80_RRC:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x08 + --r);
break;
case Z80_RRCA:
wrtb (0x0F);
break;
case Z80_RRD:
wrtb (0xED);
wrtb (0x67);
break;
case Z80_RST:
ptr = "";
break;
case Z80_SBC:
if (!(r = rd_a_hl (&ptr)))
break;
if (r == HL) {
if (!(r = rd_rr_ (&ptr)))
break;
wrtb (0xED);
wrtb (0x42 + 0x10 * --r);
break;
}
if (!(r = rd_r (&ptr)))
break;
wrtb (0x98 + --r);
break;
case Z80_SCF:
wrtb (0x37);
break;
case Z80_SET:
if (!rd_0_7 (&ptr))
break;
rd_comma (&ptr);
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0xC0 + --r);
break;
case Z80_SLA:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x20 + --r);
break;
case Z80_SLI:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x30 + --r);
break;
case Z80_SRA:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x28 + --r);
break;
case Z80_SRL:
if (!(r = rd_r_ (&ptr)))
break;
wrtb (0xCB);
wrtb (0x38 + --r);
break;
case Z80_SUB:
if (!(r = rd_r (&ptr)))
break;
if (has_argument (&ptr)) {/* SUB A,r ? */
if (r != A) {
eprintf ("parse error before: %s\n", ptr);
break;
}
if (!(r = rd_r (&ptr)))
break;
}
wrtb (0x90 + --r);
break;
case Z80_XOR:
if (!(r = rd_r (&ptr)))
break;
wrtb (0xA8 + --r);
break;
case Z80_DEFB:
case Z80_DB:
case Z80_DEFM:
case Z80_DM:
ptr = delspc (ptr);
while (1) {
have_quote = (*ptr == '"' || *ptr == '\'');
if (have_quote) {
/* Read string. */
int quote = *ptr;
++ptr;
while (*ptr != quote)
{
write_one_byte (rd_character (&ptr, NULL, 1), 0);
if (*ptr == 0)
{
eprintf ("end of line in quoted string\n");
break;
}
}
++ptr;
} else {
/* Read expression. */
skipword (&ptr, ',');
}
ptr = delspc (ptr);
if (*ptr == ',') {
++ptr;
continue;
}
if (*ptr != 0)
eprintf ("junk in byte definition: %s\n", ptr);
break;
}
break;
case Z80_DEFW:
case Z80_DW:
if (!(r = rd_word (&ptr, ','))) {
eprintf ("No data for word definition\n");
break;
}
while (1) {
ptr = delspc (ptr);
if (*ptr != ',')
break;
++ptr;
if (!(r = rd_word (&ptr, ',')))
eprintf ("Missing expression in defw\n");
}
break;
case Z80_DEFS:
case Z80_DS:
r = rd_expr (&ptr, ',', NULL, sp, 1);
if (r < 0) {
eprintf ("ds should have its first argument >=0"
" (not -0x%x)\n", -r);
break;
}
ptr = delspc (ptr);
if (*ptr) {
rd_comma (&ptr);
readbyte = 0;
rd_byte (&ptr, '\0');
writebyte = 0;
break;
}
for (i = 0; i < r; i++) {
write_one_byte (0, 0);
}
break;
case Z80_END:
break;
case Z80_ORG:
addr = rd_expr (&ptr, '\0', NULL, sp, 1) & 0xffff;
break;
case Z80_IF:
if (rd_expr (&ptr, '\0', NULL, sp, 1))
ifcount++;
else
noifcount++;
break;
case Z80_ELSE:
if (ifcount == 0)
{
eprintf ("else without if\n");
break;
}
noifcount = 1;
ifcount--;
break;
case Z80_ENDIF:
if (noifcount == 0 && ifcount == 0) {
eprintf ("endif without if\n");
break;
}
if (noifcount)
noifcount--;
else
ifcount--;
break;
case Z80_ENDM:
if (stack[sp].file)
eprintf ("endm outside macro definition\n");
break;
case Z80_SEEK:
eprintf ("seek error\n");
break;
default:
//eprintf ("command or comment expected (was %s)\n", ptr);
return 0;
}
} while (0);
//free (infile);
return obuflen;
}