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jinx/ARMeilleure/Decoders/OpCodeT16Adr.cs

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ARMeilleure: Thumb support (All T16 instructions) (#3105) * Decoders: Add InITBlock argument * OpCodeTable: Minor cleanup * OpCodeTable: Remove existing thumb instruction implementations * OpCodeTable: Prepare for thumb instructions * OpCodeTables: Improve thumb fast lookup * Tests: Prepare for thumb tests * T16: Implement BX * T16: Implement LSL/LSR/ASR (imm) * T16: Implement ADDS, SUBS (reg) * T16: Implement ADDS, SUBS (3-bit immediate) * T16: Implement MOVS, CMP, ADDS, SUBS (8-bit immediate) * T16: Implement ANDS, EORS, LSLS, LSRS, ASRS, ADCS, SBCS, RORS, TST, NEGS, CMP, CMN, ORRS, MULS, BICS, MVNS (low registers) * T16: Implement ADD, CMP, MOV (high reg) * T16: Implement BLX (reg) * T16: Implement LDR (literal) * T16: Implement {LDR,STR}{,H,B,SB,SH} (register) * T16: Implement {LDR,STR}{,B,H} (immediate) * T16: Implement LDR/STR (SP) * T16: Implement ADR * T16: Implement Add to SP (immediate) * T16: Implement ADD/SUB (SP) * T16: Implement SXTH, SXTB, UXTH, UTXB * T16: Implement CBZ, CBNZ * T16: Implement PUSH, POP * T16: Implement REV, REV16, REVSH * T16: Implement NOP * T16: Implement LDM, STM * T16: Implement SVC * T16: Implement B (conditional) * T16: Implement B (unconditional) * T16: Implement IT * fixup! T16: Implement ADD/SUB (SP) * fixup! T16: Implement Add to SP (immediate) * fixup! T16: Implement IT * CpuTestThumb: Add randomized tests * Remove inITBlock argument * Address nits * Use index to handle IfThenBlockState * Reduce line noise * fixup * nit
2022-02-17 22:39:45 +00:00
namespace ARMeilleure.Decoders
{
class OpCodeT16Adr : OpCodeT16, IOpCode32Adr
{
public int Rd { get; }
public int Immediate { get; }
public new static OpCode Create(InstDescriptor inst, ulong address, int opCode) => new OpCodeT16Adr(inst, address, opCode);
public OpCodeT16Adr(InstDescriptor inst, ulong address, int opCode) : base(inst, address, opCode)
{
Add ADD (zx imm12), NOP, MOV (rs), LDA, TBB, TBH, MOV (zx imm16) and CLZ thumb instructions (#3683) * Add ADD (zx imm12), NOP, MOV (register shifted), LDA, TBB, TBH, MOV (zx imm16) and CLZ thumb instructions, fix LDRD, STRD, CBZ, CBNZ and BLX (reg) * Bump PPTC version
2022-09-10 01:09:11 +00:00
Rd = (opCode >> 8) & 7;
ARMeilleure: Thumb support (All T16 instructions) (#3105) * Decoders: Add InITBlock argument * OpCodeTable: Minor cleanup * OpCodeTable: Remove existing thumb instruction implementations * OpCodeTable: Prepare for thumb instructions * OpCodeTables: Improve thumb fast lookup * Tests: Prepare for thumb tests * T16: Implement BX * T16: Implement LSL/LSR/ASR (imm) * T16: Implement ADDS, SUBS (reg) * T16: Implement ADDS, SUBS (3-bit immediate) * T16: Implement MOVS, CMP, ADDS, SUBS (8-bit immediate) * T16: Implement ANDS, EORS, LSLS, LSRS, ASRS, ADCS, SBCS, RORS, TST, NEGS, CMP, CMN, ORRS, MULS, BICS, MVNS (low registers) * T16: Implement ADD, CMP, MOV (high reg) * T16: Implement BLX (reg) * T16: Implement LDR (literal) * T16: Implement {LDR,STR}{,H,B,SB,SH} (register) * T16: Implement {LDR,STR}{,B,H} (immediate) * T16: Implement LDR/STR (SP) * T16: Implement ADR * T16: Implement Add to SP (immediate) * T16: Implement ADD/SUB (SP) * T16: Implement SXTH, SXTB, UXTH, UTXB * T16: Implement CBZ, CBNZ * T16: Implement PUSH, POP * T16: Implement REV, REV16, REVSH * T16: Implement NOP * T16: Implement LDM, STM * T16: Implement SVC * T16: Implement B (conditional) * T16: Implement B (unconditional) * T16: Implement IT * fixup! T16: Implement ADD/SUB (SP) * fixup! T16: Implement Add to SP (immediate) * fixup! T16: Implement IT * CpuTestThumb: Add randomized tests * Remove inITBlock argument * Address nits * Use index to handle IfThenBlockState * Reduce line noise * fixup * nit
2022-02-17 22:39:45 +00:00
int imm = (opCode & 0xff) << 2;
Immediate = (int)(GetPc() & 0xfffffffc) + imm;
}
}
}
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