package tmcm.xComputer; import java.util.BitSet; final class Globals { static java.awt.Color flashColor = new java.awt.Color(255,255,180); final static int _add = 0, _sub = 1, _and = 2, _or = 3, // instructions _not = 4, _shl = 5, _shr = 6, _inc = 7, _dec = 8, _lod = 9, _sto = 10, _hlt = 11, _jmp = 12, _jmz = 13, _jmn = 14, _jmf = 15; final static int // control wires select_add = 0, select_subtract = 1, select_and = 2, select_or = 3, select_not = 4, select_shift_left = 5, select_shift_right = 6, load_data_into_memory = 7, load_x_from_ac = 8, load_y_from_memory = 9, load_y_from_ir = 10, load_ac_from_alu = 11, load_ac_from_memory = 12, load_ac_from_ir = 13, increment_ac = 14, decrement_ac = 15, load_flag_from_alu = 16, load_pc_from_memory = 17, load_pc_from_ir = 18, increment_pc = 19, load_ir_from_memory = 20, load_addr_from_ir = 21, load_addr_from_y = 22, load_addr_from_pc = 23, set_count_to_zero = 24, stop_clock = 25; final static int direct = 0, constant = 1, indirect = 2, illegal = 3; // address modes static final String[] InstructionName = { "ADD", "SUB", "AND", "OR", "NOT", "SHL", "SHR", "INC", "DEC", "LOD", "STO", "HLT", "JMP", "JMZ", "JMN", "JMF" }; static final String[] WireName = { "Select-Add", "Select-Subtract", "Select-AND", "Select-OR", "Select-NOT", "Select-Shift-Left", "Select-Shift-Right", "Load-Data-Into-Memory", "Load-X-From-AC", "Load-Y-From-Memory", "Load-Y-From-IR", "Load-AC-From-ALU", "Load-AC-From-Memory", "Load-AC-From-IR", "Increment-AC", "Decrement-AC", "Load-Flag-From-ALU", "Load-PC-From-Memory", "Load-PC-From-IR", "Increment-PC", "Load-IR-From-Memory", "Load-ADDR-From-IR", "Load-ADDR-From-Y", "Load-ADDR-From-PC", "Set-COUNT-To-Zero", "Stop-Clock" }; static BitSet hasConstantMode, hasIndirectMode, hasData; static BitSet[][][] step; static { hasConstantMode = new BitSet(16); hasConstantMode.set(_add); hasConstantMode.set(_sub); hasConstantMode.set(_and); hasConstantMode.set(_or); hasConstantMode.set(_lod); hasIndirectMode = new BitSet(16); hasIndirectMode.set(_add); hasIndirectMode.set(_sub); hasIndirectMode.set(_and); hasIndirectMode.set(_or); hasIndirectMode.set(_lod); hasIndirectMode.set(_sto); hasIndirectMode.set(_jmp); hasIndirectMode.set(_jmz); hasIndirectMode.set(_jmn); hasIndirectMode.set(_jmf); hasData = hasIndirectMode; step = new BitSet[16][4][11]; BitSet b0 = new BitSet(26); BitSet b1 = new BitSet(26); b1.set(load_addr_from_pc); BitSet b2 = new BitSet(26); b2.set(load_ir_from_memory); BitSet b3 = new BitSet(26); b3.set(increment_pc); for (int i = _add; i <= _jmp; i++) for (int j = 0; j < 4; j++) { step[i][j][0] = b0; step[i][j][1] = b1; step[i][j][2] = b2; step[i][j][3] = b3; } for (int i = _add; i <= _jmp; i++) for (int j = 0; j < 4; j++) for (int k = 4; k < 11; k++) step[i][j][k] = new BitSet(26); step[_add][direct][4].set(load_addr_from_ir); step[_add][direct][5].set(load_y_from_memory); step[_add][direct][5].set(load_x_from_ac); step[_add][direct][6].set(select_add); step[_add][direct][6].set(load_ac_from_alu); step[_add][direct][6].set(load_flag_from_alu); step[_add][direct][7].set(select_add); step[_add][constant][4].set(load_y_from_ir); step[_add][constant][4].set(load_x_from_ac); step[_add][constant][5].set(select_add); step[_add][constant][5].set(load_ac_from_alu); step[_add][constant][5].set(load_flag_from_alu); step[_add][constant][6].set(select_add); step[_add][indirect][4].set(load_addr_from_ir); step[_add][indirect][5].set(load_y_from_memory); step[_add][indirect][6].set(load_addr_from_y); step[_add][indirect][7].set(load_y_from_memory); step[_add][indirect][7].set(load_x_from_ac); step[_add][indirect][8].set(select_add); step[_add][indirect][8].set(load_ac_from_alu); step[_add][indirect][8].set(load_flag_from_alu); step[_add][indirect][9].set(select_add); step[_sub][direct][4].set(load_addr_from_ir); step[_sub][direct][5].set(load_y_from_memory); step[_sub][direct][5].set(load_x_from_ac); step[_sub][direct][6].set(select_subtract); step[_sub][direct][6].set(load_ac_from_alu); step[_sub][direct][6].set(load_flag_from_alu); step[_sub][direct][7].set(select_subtract); step[_sub][constant][4].set(load_y_from_ir); step[_sub][constant][4].set(load_x_from_ac); step[_sub][constant][5].set(select_subtract); step[_sub][constant][5].set(load_ac_from_alu); step[_sub][constant][5].set(load_flag_from_alu); step[_sub][constant][6].set(select_subtract); step[_sub][indirect][4].set(load_addr_from_ir); step[_sub][indirect][5].set(load_y_from_memory); step[_sub][indirect][6].set(load_addr_from_y); step[_sub][indirect][7].set(load_y_from_memory); step[_sub][indirect][7].set(load_x_from_ac); step[_sub][indirect][8].set(select_subtract); step[_sub][indirect][8].set(load_ac_from_alu); step[_sub][indirect][8].set(load_flag_from_alu); step[_sub][indirect][9].set(select_subtract); step[_and][direct][4].set(load_addr_from_ir); step[_and][direct][5].set(load_x_from_ac); step[_and][direct][5].set(load_y_from_memory); step[_and][direct][6].set(select_and); step[_and][direct][6].set(load_ac_from_alu); step[_and][direct][7].set(select_and); step[_and][constant][4].set(load_y_from_ir); step[_and][constant][4].set(load_x_from_ac); step[_and][constant][5].set(load_ac_from_alu); step[_and][constant][5].set(select_and); step[_and][constant][6].set(select_and); step[_and][indirect][4].set(load_addr_from_ir); step[_and][indirect][5].set(load_y_from_memory); step[_and][indirect][6].set(load_addr_from_y); step[_and][indirect][7].set(load_x_from_ac); step[_and][indirect][7].set(load_y_from_memory); step[_and][indirect][8].set(load_ac_from_alu); step[_and][indirect][8].set(select_and); step[_and][indirect][9].set(select_and); step[_or][direct][4].set(load_addr_from_ir); step[_or][direct][5].set(load_x_from_ac); step[_or][direct][5].set(load_y_from_memory); step[_or][direct][6].set(load_ac_from_alu); step[_or][direct][6].set(select_or); step[_or][direct][7].set(select_or); step[_or][constant][4].set(load_x_from_ac); step[_or][constant][4].set(load_y_from_ir); step[_or][constant][5].set(select_or); step[_or][constant][5].set(load_ac_from_alu); step[_or][constant][6].set(select_or); step[_or][indirect][4].set(load_addr_from_ir); step[_or][indirect][5].set(load_y_from_memory); step[_or][indirect][6].set(load_addr_from_y); step[_or][indirect][7].set(load_y_from_memory); step[_or][indirect][7].set(load_x_from_ac); step[_or][indirect][8].set(load_ac_from_alu); step[_or][indirect][8].set(select_or); step[_or][indirect][9].set(select_or); step[_shl][direct][4].set(load_x_from_ac); step[_shl][direct][5].set(select_shift_left); step[_shl][direct][5].set(load_ac_from_alu); step[_shl][direct][5].set(load_flag_from_alu); step[_shl][direct][6].set(select_shift_left); step[_shr][direct][4].set(load_x_from_ac); step[_shr][direct][5].set(select_shift_right); step[_shr][direct][5].set(load_ac_from_alu); step[_shr][direct][5].set(load_flag_from_alu); step[_shr][direct][6].set(select_shift_right); step[_not][direct][4].set(load_x_from_ac); step[_not][direct][5].set(load_ac_from_alu); step[_not][direct][5].set(load_ac_from_alu); step[_not][direct][6].set(select_not); step[_inc][direct][4].set(increment_ac); step[_dec][direct][4].set(decrement_ac); step[_lod][direct][4].set(load_addr_from_ir); step[_lod][direct][5].set(load_ac_from_memory); step[_lod][constant][4].set(load_ac_from_ir); step[_lod][indirect][4].set(load_addr_from_ir); step[_lod][indirect][5].set(load_y_from_memory); step[_lod][indirect][6].set(load_addr_from_y); step[_lod][indirect][7].set(load_ac_from_memory); step[_sto][direct][4].set(load_addr_from_ir); step[_sto][direct][5].set(load_data_into_memory); step[_sto][indirect][4].set(load_addr_from_ir); step[_sto][indirect][5].set(load_y_from_memory); step[_sto][indirect][6].set(load_addr_from_y); step[_sto][indirect][7].set(load_data_into_memory); step[_hlt][direct][4].set(stop_clock); step[_jmp][direct][4].set(load_pc_from_ir); step[_jmp][indirect][4].set(load_addr_from_ir); step[_jmp][indirect][5].set(load_pc_from_memory); for (int i = _add; i <= _jmp; i++) for (int j = 0; j < 4; j++) for (int k = 4; k < 11; k++) if (step[i][j][k].equals(b0)) step[i][j][k].set(set_count_to_zero); step[_jmz] = step[_jmp]; step[_jmn] = step[_jmp]; step[_jmf] = step[_jmp]; } // end of static initializer }