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Implemnting PEI

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Anonymus Raccoon
2020-05-13 18:10:56 +02:00
parent 876b78a5c9
commit fea20fee70
5 changed files with 28 additions and 1 deletions
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4
sources/CPU/CPU.hpp
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@@ -435,6 +435,8 @@ namespace ComSquare::CPU
int ROR(uint24_t, AddressingMode);
//! @brief Push Effective PC Relative Indirect Address
int PER(uint24_t, AddressingMode);
//! @brief Push Effective Indirect Address
int PEI(uint24_t, AddressingMode);
//! @brief All the instructions of the CPU.
//! @info Instructions are indexed by their opcode
@@ -651,7 +653,7 @@ namespace ComSquare::CPU
{&CPU::CMP, 5, "cmp", AddressingMode::DirectPageIndirectIndexedByY, 2}, // D1
{&CPU::CMP, 5, "cmp", AddressingMode::DirectPageIndirect, 2}, // D2
{&CPU::CMP, 7, "cmp", AddressingMode::StackRelativeIndirectIndexedByY, 2}, // D3
{&CPU::BRK, 7, "pei #-#", AddressingMode::Implied, 2}, // D4
{&CPU::PEI, 6, "pei", AddressingMode::DirectPage, 2}, // D4
{&CPU::CMP, 4, "cmp", AddressingMode::DirectPageIndexedByX, 2}, // D5
{&CPU::DEC, 6, "dec", AddressingMode::DirectPageIndexedByX, 2}, // D6
{&CPU::CMP, 6, "cmp", AddressingMode::DirectPageIndirectIndexedByYLong, 2}, // D7