dmolony-DiskBrowser/src/com/bytezone/diskbrowser/applefile/AssemblerStatement.java
2016-12-18 09:07:55 +11:00

365 lines
9.3 KiB
Java
Executable File

package com.bytezone.diskbrowser.applefile;
import java.util.Arrays;
import java.util.Comparator;
import com.bytezone.diskbrowser.utilities.HexFormatter;
public class AssemblerStatement
{
public byte value;
public String mnemonic;
public String operand;
public int size;
public int mode;
public int opcode;
public int target;
public int offset;
public String comment;
public int address;
public boolean isTarget;
public byte operand1, operand2;
public static void print ()
{
AssemblerStatement[] statements = new AssemblerStatement[256];
System.out.println ();
for (int i = 0; i < 256; i++)
{
if (i % 16 == 0 && i > 0)
System.out.println ();
AssemblerStatement as = new AssemblerStatement ((byte) i);
statements[i] = as;
if (as.size == 1)
as.addData ();
else if (as.size == 2)
as.addData ((byte) 1);
else if (as.size == 3)
as.addData ((byte) 1, (byte) 1);
if ((i / 8) % 2 == 0)
System.out.printf ("%02X %15.15s ", i, as);
}
Arrays.sort (statements, new Comparator<AssemblerStatement> ()
{
@Override
public int compare (AssemblerStatement o1, AssemblerStatement o2)
{
if (o1.mnemonic.equals (o2.mnemonic))
return o1.mode == o2.mode ? 0 : o1.mode < o2.mode ? -1 : 1;
return o1.mnemonic.compareTo (o2.mnemonic);
}
});
System.out.println ();
String lastMnemonic = "";
for (AssemblerStatement as : statements)
if (as.size > 0)
{
if (!as.mnemonic.equals (lastMnemonic))
{
lastMnemonic = as.mnemonic;
System.out.println ();
}
System.out.printf ("%3s %-15s %s%n", as.mnemonic,
AssemblerConstants.mode[as.mode], as);
}
}
public AssemblerStatement (byte opcode)
{
this.value = opcode;
this.opcode = opcode & 0xFF;
this.mnemonic = AssemblerConstants.mnemonics[this.opcode];
this.size = AssemblerConstants.sizes2[this.opcode];
this.operand = "";
}
public void addData ()
{
switch (this.opcode)
{
case 0x00: // BRK
case 0x08: // PHP
case 0x18: // CLC
case 0x28: // PLP
case 0x38: // SEC
case 0x40: // RTI
case 0x48: // PHA
case 0x58: // CLI
case 0x5A: // NOP
case 0x60: // RTS
case 0x68: // PLA
case 0x78: // SEI
case 0x7A: // NOP
case 0x88: // DEY
case 0x8A: // TXA
case 0x98: // TYA
case 0x9A: // TXS
case 0xA8: // TAY
case 0xAA: // TAX
case 0xB8: // CLV
case 0xBA: // TSX
case 0xC8: // INY
case 0xCA: // DEX
case 0xD8: // CLD
case 0xDA: // NOP
case 0xE8: // INX
case 0xEA: // NOP
case 0xF8: // SED
case 0xFA: // NOP
mode = 0; // Implied
break;
case 0x0A: // ASL
case 0x1A: // NOP
case 0x2A: // ROL
case 0x3A: // NOP
case 0x4A: // LSR
case 0x6A: // ROR
mode = 1; // Accumulator
break;
default:
System.out.println ("Not found (0) : " + opcode);
}
}
public void addData (byte b)
{
operand1 = b;
String address = "$" + HexFormatter.format2 (b);
// if (this.mnemonic.equals ("JSR"))
// this.target = HexFormatter.intValue (b);
switch (this.opcode)
{
case 0x09: // ORA
case 0x29: // AND
case 0x49: // EOR
case 0x69: // ADC
case 0x89: // NOP - 65c02
case 0xA0: // LDY
case 0xA2: // LDX
case 0xA9: // LDA
case 0xC0: // CPY
case 0xC9: // CMP
case 0xE0: // CPX
case 0xE9: // SBC
operand = "#" + address;
mode = 2; // Immediate
break;
case 0x04: // NOP - 65c02
case 0x05: // ORA
case 0x06: // ASL
case 0x14: // NOP - 65c02
case 0x24: // BIT
case 0x25: // AND
case 0x26: // ROL
case 0x45: // EOR
case 0x46: // LSR
case 0x64: // NOP - 65c02
case 0x65: // ADC
case 0x66: // ROR
case 0x84: // STY
case 0x85: // STA
case 0x86: // STX
case 0xA4: // LDY
case 0xA5: // LDA
case 0xA6: // LDX
case 0xC4: // CPY
case 0xC5: // CMP
case 0xC6: // DEC
case 0xE4: // CPX
case 0xE5: // SBC
case 0xE6: // INC
target = b & 0xFF;
operand = address;
mode = 8; // Zero page
break;
case 0x15: // ORA
case 0x16: // ASL
case 0x34: // NOP - 65c02
case 0x35: // AND
case 0x36: // ROL
case 0x55: // EOR
case 0x56: // LSR
case 0x74: // NOP - 65c02
case 0x75: // ADC
case 0x76: // ROR
case 0x94: // STY
case 0x95: // STA
case 0xB4: // LDY
case 0xB5: // LDA
case 0xD5: // CMP
case 0xD6: // DEC
case 0xF5: // SBC
case 0xF6: // INC
operand = address + ",X";
mode = 9; // Zero page, X
break;
case 0x96: // STX
case 0xB6: // LDX
operand = address + ",Y";
mode = 10; // Zero page, Y
break;
case 0x01: // ORA
case 0x21: // AND
case 0x41: // EOR
case 0x61: // ADC
case 0x81: // STA
case 0xA1: // LDA
case 0xC1: // CMP
case 0xE1: // SEC
operand = "(" + address + ",X)";
mode = 11; // (Indirect, X)
break;
case 0x11: // ORA
case 0x31: // AND
case 0x51: // EOR
case 0x71: // ADC
case 0x91: // STA
case 0xB1: // LDA
case 0xD1: // CMP
case 0xF1: // SBC
operand = "(" + address + "),Y";
mode = 12; // (Indirect), Y
break;
case 0x12: // NOP
case 0x32: // NOP
case 0x52: // NOP
case 0x72: // NOP
case 0x92: // NOP
case 0xB2: // NOP
case 0xD2: // NOP
case 0xF2: // NOP
operand = "(" + address + ")"; // all 65c02
mode = 13; // (zero page)
break;
case 0x10: // BPL
case 0x30: // BMI
case 0x50: // BVC
case 0x70: // BVS
case 0x80: // NOP - 65c02
case 0x90: // BCC
case 0xB0: // BCS
case 0xD0: // BNE
case 0xF0: // BEQ
offset = b;
mode = 14; // relative
this.target = b & 0xFF;
break;
default:
System.out.println ("Not found (1) : " + opcode);
}
}
public void addData (byte b1, byte b2)
{
operand1 = b1;
operand2 = b2;
String address = "$" + HexFormatter.format2 (b2) + HexFormatter.format2 (b1);
// if (this.mnemonic.equals ("JSR") || this.mnemonic.equals ("JMP")
// || this.mnemonic.equals ("BIT") || this.mnemonic.equals ("STA")
// || this.mnemonic.equals ("LDA"))
// this.target = HexFormatter.intValue (b1, b2);
switch (this.opcode)
{
case 0x0C: // NOP - 65c02
case 0x0D: // ORA
case 0x0E: // ASL
case 0x1C: // NOP - 65c02
case 0x20: // JSR
case 0x2C: // BIT
case 0x2D: // AND
case 0x2E: // ROL
case 0x4C: // JMP
case 0x4D: // EOR
case 0x4E: // LSR
case 0x6D: // ADC
case 0x6E: // ROR
case 0x8C: // STY
case 0x8D: // STA
case 0x8E: // STX
case 0x9C: // NOP - 65c02
case 0xAC: // LDY
case 0xAD: // LDA
case 0xAE: // LDX
case 0xCC: // CPY
case 0xCD: // CMP
case 0xCE: // DEC
case 0xEC: // CPX
case 0xED: // SBC
case 0xEE: // INC
operand = address;
mode = 3; // absolute
this.target = HexFormatter.intValue (b1, b2);
break;
case 0x1D: // ORA
case 0x1E: // ASL
case 0x3C: // NOP - 65c02
case 0x3D: // AND
case 0x3E: // ROL
case 0x5D: // EOR
case 0x5E: // LSR
case 0x7D: // ADC
case 0x7E: // ROR
case 0x9D: // STA
case 0x9E: // NOP - 65c02
case 0xBC: // LDY
case 0xBD: // LDA
case 0xDD: // CMP
case 0xDE: // DEC
case 0xFD: // SBC
case 0xFE: // INC
operand = address + ",X";
mode = 4; // absolute, X
break;
case 0x19: // ORA
case 0x39: // AND
case 0x59: // EOR
case 0x79: // ADC
case 0x99: // STA
case 0xB9: // LDA
case 0xBE: // LDX
case 0xD9: // CMP
case 0xF9: // SBC
operand = address + ",Y";
mode = 5; // absolute, Y
break;
case 0x7C: // NOP - 65c02
operand = "(" + address + ",X)";
mode = 6; // (absolute, X)
break;
case 0x6C: // JMP
operand = "(" + address + ")";
mode = 7; // (absolute)
break;
default:
System.out.println ("Not found (2) : " + opcode);
}
}
@Override
public String toString ()
{
if (offset == 0)
return String.format ("%d %3s %-10s %02X", size, mnemonic, operand, value);
return String.format ("%d %3s %-10s %02X", size, mnemonic, operand + "+" + offset,
value);
}
}