ARMCoreThumb = function (cpu) { this.cpu = cpu; }; ARMCoreThumb.prototype.constructADC = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var m = (gprs[rm] >>> 0) + !!cpu.cpsrC; var oldD = gprs[rd]; var d = (oldD >>> 0) + m; var oldDn = oldD >> 31; var dn = d >> 31; var mn = m >> 31; cpu.cpsrN = dn; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = d > 0xFFFFFFFF; cpu.cpsrV = oldDn == mn && oldDn != dn && mn != dn; gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructADD1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = (gprs[rn] >>> 0) + immediate; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = d > 0xFFFFFFFF; cpu.cpsrV = !(gprs[rn] >> 31) && ((gprs[rn] >> 31 ^ d) >> 31) && (d >> 31); gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructADD2 = function(rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = (gprs[rn] >>> 0) + immediate; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = d > 0xFFFFFFFF; cpu.cpsrV = !(gprs[rn] >> 31) && ((gprs[rn] ^ d) >> 31) && ((immediate ^ d) >> 31); gprs[rn] = d; }; }; ARMCoreThumb.prototype.constructADD3 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = (gprs[rn] >>> 0) + (gprs[rm] >>> 0); cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = d > 0xFFFFFFFF; cpu.cpsrV = !((gprs[rn] ^ gprs[rm]) >> 31) && ((gprs[rn] ^ d) >> 31) && ((gprs[rm] ^ d) >> 31); gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructADD4 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] += gprs[rm]; }; }; ARMCoreThumb.prototype.constructADD5 = function(rd, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = (gprs[cpu.PC] & 0xFFFFFFFC) + immediate; }; }; ARMCoreThumb.prototype.constructADD6 = function(rd, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = gprs[cpu.SP] + immediate; }; }; ARMCoreThumb.prototype.constructADD7 = function(immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[cpu.SP] += immediate; }; }; ARMCoreThumb.prototype.constructAND = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = gprs[rd] & gprs[rm]; cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructASR1 = function(rd, rm, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); if (immediate == 0) { cpu.cpsrC = gprs[rm] >> 31; if (cpu.cpsrC) { gprs[rd] = 0xFFFFFFFF; } else { gprs[rd] = 0; } } else { cpu.cpsrC = gprs[rm] & (1 << (immediate - 1)); gprs[rd] = gprs[rm] >> immediate; } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructASR2 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var rs = gprs[rm] & 0xFF; if (rs) { if (rs < 32) { cpu.cpsrC = gprs[rd] & (1 << (rs - 1)); gprs[rd] >>= rs; } else { cpu.cpsrC = gprs[rd] >> 31; if (cpu.cpsrC) { gprs[rd] = 0xFFFFFFFF; } else { gprs[rd] = 0; } } } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructB1 = function(immediate, condOp) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); if (condOp()) { gprs[cpu.PC] += immediate; } }; }; ARMCoreThumb.prototype.constructB2 = function(immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[cpu.PC] += immediate; }; }; ARMCoreThumb.prototype.constructBIC = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = gprs[rd] & ~gprs[rm]; cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructBL1 = function(immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[cpu.LR] = gprs[cpu.PC] + immediate; } }; ARMCoreThumb.prototype.constructBL2 = function(immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var pc = gprs[cpu.PC]; gprs[cpu.PC] = gprs[cpu.LR] + (immediate << 1); gprs[cpu.LR] = pc - 1; } }; ARMCoreThumb.prototype.constructBX = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); cpu.switchExecMode(gprs[rm] & 0x00000001); var misalign = 0; if (rm == 15) { misalign = gprs[rm] & 0x00000002; } gprs[cpu.PC] = gprs[rm] & 0xFFFFFFFE - misalign; }; }; ARMCoreThumb.prototype.constructCMN = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var aluOut = (gprs[rd] >>> 0) + (gprs[rm] >>> 0); cpu.cpsrN = aluOut >> 31; cpu.cpsrZ = !(aluOut & 0xFFFFFFFF); cpu.cpsrC = aluOut > 0xFFFFFFFF; cpu.cpsrV = (gprs[rd] >> 31) == (gprs[rm] >> 31) && (gprs[rd] >> 31) != (aluOut >> 31) && (gprs[rm] >> 31) != (aluOut >> 31); }; }; ARMCoreThumb.prototype.constructCMP1 = function(rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var aluOut = gprs[rn] - immediate; cpu.cpsrN = aluOut >> 31; cpu.cpsrZ = !(aluOut & 0xFFFFFFFF); cpu.cpsrC = (gprs[rn] >>> 0) >= immediate; cpu.cpsrV = (gprs[rn] >> 31) && ((gprs[rn] ^ aluOut) >> 31); }; } ARMCoreThumb.prototype.constructCMP2 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = gprs[rd]; var m = gprs[rm]; var aluOut = d - m; var an = aluOut >> 31; var dn = d >> 31; cpu.cpsrN = an; cpu.cpsrZ = !(aluOut & 0xFFFFFFFF); cpu.cpsrC = (d >>> 0) >= (m >>> 0); cpu.cpsrV = dn != (m >> 31) && dn != an; }; }; ARMCoreThumb.prototype.constructCMP3 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var aluOut = gprs[rd] - gprs[rm]; cpu.cpsrN = aluOut >> 31; cpu.cpsrZ = !(aluOut & 0xFFFFFFFF); cpu.cpsrC = (gprs[rd] >>> 0) >= (gprs[rm] >>> 0); cpu.cpsrV = ((gprs[rd] ^ gprs[rm]) >> 31) && ((gprs[rd] ^ aluOut) >> 31); }; }; ARMCoreThumb.prototype.constructEOR = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = gprs[rd] ^ gprs[rm]; cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructLDMIA = function(rn, rs) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var address = gprs[rn]; var total = 0; var m, i; for (m = 0x01, i = 0; i < 8; m <<= 1, ++i) { if (rs & m) { gprs[i] = cpu.mmu.load32(address); address += 4; ++total; } } cpu.mmu.waitMulti32(address, total); if (!((1 << rn) & rs)) { gprs[rn] = address; } }; }; ARMCoreThumb.prototype.constructLDR1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var n = gprs[rn] + immediate; gprs[rd] = cpu.mmu.load32(n); cpu.mmu.wait32(n); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDR2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.load32(gprs[rn] + gprs[rm]); cpu.mmu.wait32(gprs[rn] + gprs[rm]); ++cpu.cycles; } }; ARMCoreThumb.prototype.constructLDR3 = function(rd, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.load32((gprs[cpu.PC] & 0xFFFFFFFC) + immediate); cpu.mmu.wait32(gprs[cpu.PC]); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDR4 = function(rd, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.load32(gprs[cpu.SP] + immediate); cpu.mmu.wait32(gprs[cpu.SP] + immediate); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDRB1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { var n = gprs[rn] + immediate; cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.loadU8(n); cpu.mmu.wait(n); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDRB2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.loadU8(gprs[rn] + gprs[rm]); cpu.mmu.wait(gprs[rn] + gprs[rm]); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDRH1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { var n = gprs[rn] + immediate; cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.loadU16(n); cpu.mmu.wait(n); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDRH2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.loadU16(gprs[rn] + gprs[rm]); cpu.mmu.wait(gprs[rn] + gprs[rm]); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDRSB = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.load8(gprs[rn] + gprs[rm]); cpu.mmu.wait(gprs[rn] + gprs[rm]); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLDRSH = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = cpu.mmu.load16(gprs[rn] + gprs[rm]); cpu.mmu.wait(gprs[rn] + gprs[rm]); ++cpu.cycles; }; }; ARMCoreThumb.prototype.constructLSL1 = function(rd, rm, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); if (immediate == 0) { gprs[rd] = gprs[rm]; } else { cpu.cpsrC = gprs[rm] & (1 << (32 - immediate)); gprs[rd] = gprs[rm] << immediate; } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructLSL2 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var rs = gprs[rm] & 0xFF; if (rs) { if (rs < 32) { cpu.cpsrC = gprs[rd] & (1 << (32 - rs)); gprs[rd] <<= rs; } else { if (rs > 32) { cpu.cpsrC = 0; } else { cpu.cpsrC = gprs[rd] & 0x00000001; } gprs[rd] = 0; } } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructLSR1 = function(rd, rm, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); if (immediate == 0) { cpu.cpsrC = gprs[rm] >> 31; gprs[rd] = 0; } else { cpu.cpsrC = gprs[rm] & (1 << (immediate - 1)); gprs[rd] = gprs[rm] >>> immediate; } cpu.cpsrN = 0; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; } ARMCoreThumb.prototype.constructLSR2 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var rs = gprs[rm] & 0xFF; if (rs) { if (rs < 32) { cpu.cpsrC = gprs[rd] & (1 << (rs - 1)); gprs[rd] >>>= rs; } else { if (rs > 32) { cpu.cpsrC = 0; } else { cpu.cpsrC = gprs[rd] >> 31; } gprs[rd] = 0; } } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructMOV1 = function(rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rn] = immediate; cpu.cpsrN = immediate >> 31; cpu.cpsrZ = !(immediate & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructMOV2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = gprs[rn]; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = 0; cpu.cpsrV = 0; gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructMOV3 = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = gprs[rm]; }; }; ARMCoreThumb.prototype.constructMUL = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); cpu.mmu.waitMul(gprs[rm]); if ((gprs[rm] & 0xFFFF0000) && (gprs[rd] & 0xFFFF0000)) { // Our data type is a double--we'll lose bits if we do it all at once! var hi = ((gprs[rd] & 0xFFFF0000) * gprs[rm]) & 0xFFFFFFFF; var lo = ((gprs[rd] & 0x0000FFFF) * gprs[rm]) & 0xFFFFFFFF; gprs[rd] = (hi + lo) & 0xFFFFFFFF; } else { gprs[rd] *= gprs[rm]; } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructMVN = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = ~gprs[rm]; cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructNEG = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = -gprs[rm]; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = 0 >= (d >>> 0); cpu.cpsrV = (gprs[rm] >> 31) && (d >> 31); gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructORR = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); gprs[rd] = gprs[rd] | gprs[rm]; cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructPOP = function(rs, r) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); ++cpu.cycles; var address = gprs[cpu.SP]; var total = 0; var m, i; for (m = 0x01, i = 0; i < 8; m <<= 1, ++i) { if (rs & m) { cpu.mmu.waitSeq32(address); gprs[i] = cpu.mmu.load32(address); address += 4; ++total; } } if (r) { gprs[cpu.PC] = cpu.mmu.load32(address) & 0xFFFFFFFE; address += 4; ++total; } cpu.mmu.waitMulti32(address, total); gprs[cpu.SP] = address; }; }; ARMCoreThumb.prototype.constructPUSH = function(rs, r) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { var address = gprs[cpu.SP] - 4; var total = 0; cpu.mmu.waitPrefetch(gprs[cpu.PC]); if (r) { cpu.mmu.store32(address, gprs[cpu.LR]); address -= 4; ++total; } var m, i; for (m = 0x80, i = 7; m; m >>= 1, --i) { if (rs & m) { cpu.mmu.store32(address, gprs[i]); address -= 4; ++total; break; } } for (m >>= 1, --i; m; m >>= 1, --i) { if (rs & m) { cpu.mmu.store32(address, gprs[i]); address -= 4; ++total; } } cpu.mmu.waitMulti32(address, total); gprs[cpu.SP] = address + 4; }; }; ARMCoreThumb.prototype.constructROR = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var rs = gprs[rm] & 0xFF; if (rs) { var r4 = rs & 0x1F; if (r4 > 0) { cpu.cpsrC = gprs[rd] & (1 << (r4 - 1)); gprs[rd] = (gprs[rd] >>> r4) | (gprs[rd] << (32 - r4)); } else { cpu.cpsrC = gprs[rd] >> 31; } } cpu.cpsrN = gprs[rd] >> 31; cpu.cpsrZ = !(gprs[rd] & 0xFFFFFFFF); }; }; ARMCoreThumb.prototype.constructSBC = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var m = (gprs[rm] >>> 0) + !cpu.cpsrC; var d = (gprs[rd] >>> 0) - m; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = (gprs[rd] >>> 0) >= (d >>> 0); cpu.cpsrV = ((gprs[rd] ^ m) >> 31) && ((gprs[rd] ^ d) >> 31); gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructSTMIA = function(rn, rs) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.wait(gprs[cpu.PC]); var address = gprs[rn]; var total = 0; var m, i; for (m = 0x01, i = 0; i < 8; m <<= 1, ++i) { if (rs & m) { cpu.mmu.store32(address, gprs[i]); address += 4; ++total; break; } } for (m <<= 1, ++i; i < 8; m <<= 1, ++i) { if (rs & m) { cpu.mmu.store32(address, gprs[i]); address += 4; ++total; } } cpu.mmu.waitMulti32(address, total); gprs[rn] = address; }; }; ARMCoreThumb.prototype.constructSTR1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { var n = gprs[rn] + immediate; cpu.mmu.store32(n, gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait32(n); }; }; ARMCoreThumb.prototype.constructSTR2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.store32(gprs[rn] + gprs[rm], gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait32(gprs[rn] + gprs[rm]); }; }; ARMCoreThumb.prototype.constructSTR3 = function(rd, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.store32(gprs[cpu.SP] + immediate, gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait32(gprs[cpu.SP] + immediate); }; }; ARMCoreThumb.prototype.constructSTRB1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { var n = gprs[rn] + immediate; cpu.mmu.store8(n, gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait(n); }; }; ARMCoreThumb.prototype.constructSTRB2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.store8(gprs[rn] + gprs[rm], gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait(gprs[rn] + gprs[rm]); } }; ARMCoreThumb.prototype.constructSTRH1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { var n = gprs[rn] + immediate; cpu.mmu.store16(n, gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait(n); }; }; ARMCoreThumb.prototype.constructSTRH2 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.store16(gprs[rn] + gprs[rm], gprs[rd]); cpu.mmu.wait(gprs[cpu.PC]); cpu.mmu.wait(gprs[rn] + gprs[rm]); } }; ARMCoreThumb.prototype.constructSUB1 = function(rd, rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = gprs[rn] - immediate; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = (gprs[rn] >>> 0) >= immediate; cpu.cpsrV = (gprs[rn] >> 31) && ((gprs[rn] ^ d) >> 31); gprs[rd] = d; }; } ARMCoreThumb.prototype.constructSUB2 = function(rn, immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = gprs[rn] - immediate; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = (gprs[rn] >>> 0) >= immediate; cpu.cpsrV = (gprs[rn] >> 31) && ((gprs[rn] ^ d) >> 31); gprs[rn] = d; }; }; ARMCoreThumb.prototype.constructSUB3 = function(rd, rn, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var d = gprs[rn] - gprs[rm]; cpu.cpsrN = d >> 31; cpu.cpsrZ = !(d & 0xFFFFFFFF); cpu.cpsrC = (gprs[rn] >>> 0) >= (gprs[rm] >>> 0); cpu.cpsrV = (gprs[rn] >> 31) != (gprs[rm] >> 31) && (gprs[rn] >> 31) != (d >> 31); gprs[rd] = d; }; }; ARMCoreThumb.prototype.constructSWI = function(immediate) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.irq.swi(immediate); cpu.mmu.waitPrefetch(gprs[cpu.PC]); } }; ARMCoreThumb.prototype.constructTST = function(rd, rm) { var cpu = this.cpu; var gprs = cpu.gprs; return function() { cpu.mmu.waitPrefetch(gprs[cpu.PC]); var aluOut = gprs[rd] & gprs[rm]; cpu.cpsrN = aluOut >> 31; cpu.cpsrZ = !(aluOut & 0xFFFFFFFF); }; };