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Changed the I4004 disassembler to use 'std::ostream &' internally

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This commit is contained in:
Nathan Woods 2016-11-15 07:57:45 -05:00
parent 0f060802b5
commit d77c2b301f
1 changed files with 64 additions and 54 deletions
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118
src/devices/cpu/i4004/4004dasm.cpp
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@ -13,7 +13,7 @@
#define OP(A) oprom[(A) - PC]
#define ARG(A) opram[(A) - PC]
CPU_DISASSEMBLE( i4004 )
static offs_t internal_disasm_i4004(cpu_device *device, std::ostream &stream, offs_t pc, const uint8_t *oprom, const uint8_t *opram, int options)
{
uint32_t flags = 0;
uint8_t op;
@ -21,113 +21,123 @@ CPU_DISASSEMBLE( i4004 )
uint16_t page = PC & 0x0f00;
switch (op = OP(pc++))
{
case 0x00: sprintf (buffer,"nop"); break;
case 0x11: sprintf (buffer,"jnt $%03x",page | ARG(pc)); pc++; break;
case 0x12: sprintf (buffer,"jc $%03x",page | ARG(pc)); pc++; break;
case 0x14: sprintf (buffer,"jz $%03x",page | ARG(pc)); pc++; break;
case 0x19: sprintf (buffer,"jt $%03x",page | ARG(pc)); pc++; break;
case 0x1a: sprintf (buffer,"jnc $%03x",page | ARG(pc)); pc++; break;
case 0x1c: sprintf (buffer,"jnz $%03x",page | ARG(pc)); pc++; break;
case 0x00: util::stream_format(stream, "nop"); break;
case 0x11: util::stream_format(stream, "jnt $%03x",page | ARG(pc)); pc++; break;
case 0x12: util::stream_format(stream, "jc $%03x",page | ARG(pc)); pc++; break;
case 0x14: util::stream_format(stream, "jz $%03x",page | ARG(pc)); pc++; break;
case 0x19: util::stream_format(stream, "jt $%03x",page | ARG(pc)); pc++; break;
case 0x1a: util::stream_format(stream, "jnc $%03x",page | ARG(pc)); pc++; break;
case 0x1c: util::stream_format(stream, "jnz $%03x",page | ARG(pc)); pc++; break;
case 0x10: case 0x13: case 0x15: case 0x16:
case 0x17: case 0x18: case 0x1b: case 0x1d:
case 0x1e: case 0x1f:
sprintf (buffer,"jcn $%01x,$%03x",op & 0x0f,page | ARG(pc)); pc++; break;
util::stream_format(stream, "jcn $%01x,$%03x",op & 0x0f,page | ARG(pc)); pc++; break;
case 0x20: case 0x22: case 0x24: case 0x26:
case 0x28: case 0x2a: case 0x2c: case 0x2e:
sprintf (buffer,"fim $%01x,$%02x",op & 0x0f,OP(pc)); pc++; break;
util::stream_format(stream, "fim $%01x,$%02x",op & 0x0f,OP(pc)); pc++; break;
case 0x21: case 0x23: case 0x25: case 0x27:
case 0x29: case 0x2b: case 0x2d: case 0x2f:
sprintf (buffer,"src $%01x",(op & 0x0f)-1); break;
util::stream_format(stream, "src $%01x",(op & 0x0f)-1); break;
case 0x30: case 0x32: case 0x34: case 0x36:
case 0x38: case 0x3a: case 0x3c: case 0x3e:
sprintf (buffer,"fin $%01x",op & 0x0f); break;
util::stream_format(stream, "fin $%01x",op & 0x0f); break;
case 0x31: case 0x33: case 0x35: case 0x37:
case 0x39: case 0x3b: case 0x3d: case 0x3f:
sprintf (buffer,"jin $%01x",(op & 0x0f)-1); break;
util::stream_format(stream, "jin $%01x",(op & 0x0f)-1); break;
case 0x40: case 0x41: case 0x42: case 0x43:
case 0x44: case 0x45: case 0x46: case 0x47:
case 0x48: case 0x49: case 0x4a: case 0x4b:
case 0x4c: case 0x4d: case 0x4e: case 0x4f:
sprintf (buffer,"jun $%01x%02x",op & 0x0f,ARG(pc)); pc++; break;
util::stream_format(stream, "jun $%01x%02x",op & 0x0f,ARG(pc)); pc++; break;
case 0x50: case 0x51: case 0x52: case 0x53:
case 0x54: case 0x55: case 0x56: case 0x57:
case 0x58: case 0x59: case 0x5a: case 0x5b:
case 0x5c: case 0x5d: case 0x5e: case 0x5f:
sprintf (buffer,"jms $%01x%02x",op & 0x0f,ARG(pc)); pc++; break;
util::stream_format(stream, "jms $%01x%02x",op & 0x0f,ARG(pc)); pc++; break;
case 0x60: case 0x61: case 0x62: case 0x63:
case 0x64: case 0x65: case 0x66: case 0x67:
case 0x68: case 0x69: case 0x6a: case 0x6b:
case 0x6c: case 0x6d: case 0x6e: case 0x6f:
sprintf (buffer,"inc $%01x",op & 0x0f); break;
util::stream_format(stream, "inc $%01x",op & 0x0f); break;
case 0x70: case 0x71: case 0x72: case 0x73:
case 0x74: case 0x75: case 0x76: case 0x77:
case 0x78: case 0x79: case 0x7a: case 0x7b:
case 0x7c: case 0x7d: case 0x7e: case 0x7f:
sprintf (buffer,"isz $%01x,%03x",op & 0x0f,page | ARG(pc)); pc++; break;
util::stream_format(stream, "isz $%01x,%03x",op & 0x0f,page | ARG(pc)); pc++; break;
case 0x80: case 0x81: case 0x82: case 0x83:
case 0x84: case 0x85: case 0x86: case 0x87:
case 0x88: case 0x89: case 0x8a: case 0x8b:
case 0x8c: case 0x8d: case 0x8e: case 0x8f:
sprintf (buffer,"add $%01x",op & 0x0f); break;
util::stream_format(stream, "add $%01x",op & 0x0f); break;
case 0x90: case 0x91: case 0x92: case 0x93:
case 0x94: case 0x95: case 0x96: case 0x97:
case 0x98: case 0x99: case 0x9a: case 0x9b:
case 0x9c: case 0x9d: case 0x9e: case 0x9f:
sprintf (buffer,"sub $%01x",op & 0x0f); break;
util::stream_format(stream, "sub $%01x",op & 0x0f); break;
case 0xa0: case 0xa1: case 0xa2: case 0xa3:
case 0xa4: case 0xa5: case 0xa6: case 0xa7:
case 0xa8: case 0xa9: case 0xaa: case 0xab:
case 0xac: case 0xad: case 0xae: case 0xaf:
sprintf (buffer,"ld $%01x",op & 0x0f); break;
util::stream_format(stream, "ld $%01x",op & 0x0f); break;
case 0xb0: case 0xb1: case 0xb2: case 0xb3:
case 0xb4: case 0xb5: case 0xb6: case 0xb7:
case 0xb8: case 0xb9: case 0xba: case 0xbb:
case 0xbc: case 0xbd: case 0xbe: case 0xbf:
sprintf (buffer,"xch $%01x",op & 0x0f); break;
util::stream_format(stream, "xch $%01x",op & 0x0f); break;
case 0xc0: case 0xc1: case 0xc2: case 0xc3:
case 0xc4: case 0xc5: case 0xc6: case 0xc7:
case 0xc8: case 0xc9: case 0xca: case 0xcb:
case 0xcc: case 0xcd: case 0xce: case 0xcf:
sprintf (buffer,"bbl $%01x",op & 0x0f); break;
util::stream_format(stream, "bbl $%01x",op & 0x0f); break;
case 0xd0: case 0xd1: case 0xd2: case 0xd3:
case 0xd4: case 0xd5: case 0xd6: case 0xd7:
case 0xd8: case 0xd9: case 0xda: case 0xdb:
case 0xdc: case 0xdd: case 0xde: case 0xdf:
sprintf (buffer,"ldm $%01x",op & 0x0f); break;
util::stream_format(stream, "ldm $%01x",op & 0x0f); break;
case 0xe0: sprintf (buffer,"wrm"); break;
case 0xe1: sprintf (buffer,"wmp"); break;
case 0xe2: sprintf (buffer,"wrr"); break;
case 0xe3: sprintf (buffer,"wpm"); break;
case 0xe4: sprintf (buffer,"wr0"); break;
case 0xe5: sprintf (buffer,"wr1"); break;
case 0xe6: sprintf (buffer,"wr2"); break;
case 0xe7: sprintf (buffer,"wr3"); break;
case 0xe8: sprintf (buffer,"sbm"); break;
case 0xe9: sprintf (buffer,"rdm"); break;
case 0xea: sprintf (buffer,"rdr"); break;
case 0xeb: sprintf (buffer,"adm"); break;
case 0xec: sprintf (buffer,"rd0"); break;
case 0xed: sprintf (buffer,"rd1"); break;
case 0xee: sprintf (buffer,"rd2"); break;
case 0xef: sprintf (buffer,"rd3"); break;
case 0xe0: util::stream_format(stream, "wrm"); break;
case 0xe1: util::stream_format(stream, "wmp"); break;
case 0xe2: util::stream_format(stream, "wrr"); break;
case 0xe3: util::stream_format(stream, "wpm"); break;
case 0xe4: util::stream_format(stream, "wr0"); break;
case 0xe5: util::stream_format(stream, "wr1"); break;
case 0xe6: util::stream_format(stream, "wr2"); break;
case 0xe7: util::stream_format(stream, "wr3"); break;
case 0xe8: util::stream_format(stream, "sbm"); break;
case 0xe9: util::stream_format(stream, "rdm"); break;
case 0xea: util::stream_format(stream, "rdr"); break;
case 0xeb: util::stream_format(stream, "adm"); break;
case 0xec: util::stream_format(stream, "rd0"); break;
case 0xed: util::stream_format(stream, "rd1"); break;
case 0xee: util::stream_format(stream, "rd2"); break;
case 0xef: util::stream_format(stream, "rd3"); break;
case 0xf0: sprintf (buffer,"clb"); break;
case 0xf1: sprintf (buffer,"clc"); break;
case 0xf2: sprintf (buffer,"iac"); break;
case 0xf3: sprintf (buffer,"cmc"); break;
case 0xf4: sprintf (buffer,"cma"); break;
case 0xf5: sprintf (buffer,"ral"); break;
case 0xf6: sprintf (buffer,"rar"); break;
case 0xf7: sprintf (buffer,"tcc"); break;
case 0xf8: sprintf (buffer,"dac"); break;
case 0xf9: sprintf (buffer,"tcs"); break;
case 0xfa: sprintf (buffer,"stc"); break;
case 0xfb: sprintf (buffer,"daa"); break;
case 0xfc: sprintf (buffer,"kbp"); break;
case 0xfd: sprintf (buffer,"dcl"); break;
case 0xf0: util::stream_format(stream, "clb"); break;
case 0xf1: util::stream_format(stream, "clc"); break;
case 0xf2: util::stream_format(stream, "iac"); break;
case 0xf3: util::stream_format(stream, "cmc"); break;
case 0xf4: util::stream_format(stream, "cma"); break;
case 0xf5: util::stream_format(stream, "ral"); break;
case 0xf6: util::stream_format(stream, "rar"); break;
case 0xf7: util::stream_format(stream, "tcc"); break;
case 0xf8: util::stream_format(stream, "dac"); break;
case 0xf9: util::stream_format(stream, "tcs"); break;
case 0xfa: util::stream_format(stream, "stc"); break;
case 0xfb: util::stream_format(stream, "daa"); break;
case 0xfc: util::stream_format(stream, "kbp"); break;
case 0xfd: util::stream_format(stream, "dcl"); break;
default : sprintf (buffer,"illegal"); break;
default : util::stream_format(stream, "illegal"); break;
}
return (pc - PC) | flags | DASMFLAG_SUPPORTED;
}
CPU_DISASSEMBLE(i4004)
{
std::ostringstream stream;
offs_t result = internal_disasm_i4004(device, stream, pc, oprom, opram, options);
std::string stream_str = stream.str();
strcpy(buffer, stream_str.c_str());
return result;
}