diff --git a/src/mos6502.addr.c b/src/mos6502.addr.c
index 0b459e2..e2ffb2a 100644
--- a/src/mos6502.addr.c
+++ b/src/mos6502.addr.c
@@ -24,17 +24,17 @@ static int addr_modes[] = {
ABS, IDX, NOA, NOA, ZPG, ZPG, ZPG, NOA, IMP, IMM, ACC, NOA, ABS, ABS, ABS, NOA, // 2x
REL, IDY, ZPG, NOA, ZPX, ZPX, ZPX, NOA, IMP, ABY, ACC, NOA, ABX, ABX, ABX, NOA, // 3x
IMP, IDX, NOA, NOA, NOA, ZPG, ZPG, NOA, IMP, IMM, ACC, NOA, ABS, ABS, ABS, NOA, // 4x
- REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, NOA, NOA, NOA, ABX, ABX, NOA, // 5x
+ REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, IMP, NOA, NOA, ABX, ABX, NOA, // 5x
IMP, IDX, NOA, NOA, NOA, ZPG, ZPG, NOA, IMP, IMM, ACC, NOA, IND, ABS, ABS, NOA, // 6x
- REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, NOA, NOA, ABX, ABX, ABX, NOA, // 7x
+ REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, IMP, NOA, ABX, ABX, ABX, NOA, // 7x
REL, IDX, NOA, NOA, ZPG, ZPG, ZPG, NOA, IMP, IMM, IMP, NOA, ABS, ABS, ABS, NOA, // 8x
REL, IDY, ZPG, NOA, ZPX, ZPX, ZPY, NOA, IMP, ABY, IMP, NOA, NOA, ABX, NOA, NOA, // 9x
IMM, IDX, IMM, NOA, ZPG, ZPG, ZPG, NOA, IMP, IMM, IMP, NOA, ABS, ABS, ABS, NOA, // Ax
REL, IDY, ZPG, NOA, ZPX, ZPX, ZPY, NOA, IMP, ABY, IMP, NOA, ABX, ABX, ABY, NOA, // Bx
IMM, IDX, NOA, NOA, ZPG, ZPG, ZPG, NOA, IMP, IMM, IMP, NOA, ABS, ABS, ABS, NOA, // Cx
- REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, NOA, NOA, NOA, ABX, ABX, NOA, // Dx
+ REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, IMP, NOA, NOA, ABX, ABX, NOA, // Dx
IMM, IDX, NOA, NOA, ZPG, ZPG, ZPG, NOA, IMP, IMM, IMP, NOA, ABS, ABS, ABS, NOA, // Ex
- REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, NOA, NOA, NOA, ABX, ABX, NOA, // Fx
+ REL, IDY, ZPG, NOA, NOA, ZPX, ZPX, NOA, IMP, ABY, IMP, NOA, NOA, ABX, ABX, NOA, // Fx
};
/*
diff --git a/src/mos6502.c b/src/mos6502.c
index 43592ff..1d2123f 100644
--- a/src/mos6502.c
+++ b/src/mos6502.c
@@ -32,17 +32,17 @@ static int instructions[] = {
JSR, AND, BAD, BAD, BIT, AND, ROL, BAD, PLP, AND, ROL, BAD, BIT, AND, ROL, BAD, // 2x
BMI, AND, AND, BAD, BIT, AND, ROL, BAD, SEC, AND, DEC, BAD, BIT, AND, ROL, BAD, // 3x
RTI, EOR, BAD, BAD, BAD, EOR, LSR, BAD, PHA, EOR, LSR, BAD, JMP, EOR, LSR, BAD, // 4x
- BVC, EOR, EOR, BAD, BAD, EOR, LSR, BAD, CLI, EOR, BAD, BAD, BAD, EOR, LSR, BAD, // 5x
+ BVC, EOR, EOR, BAD, BAD, EOR, LSR, BAD, CLI, EOR, PHY, BAD, BAD, EOR, LSR, BAD, // 5x
RTS, ADC, BAD, BAD, BAD, ADC, ROR, BAD, PLA, ADC, ROR, BAD, JMP, ADC, ROR, BAD, // 6x
- BVS, ADC, ADC, BAD, BAD, ADC, ROR, BAD, SEI, ADC, BAD, BAD, JMP, ADC, ROR, BAD, // 7x
+ BVS, ADC, ADC, BAD, BAD, ADC, ROR, BAD, SEI, ADC, PLY, BAD, JMP, ADC, ROR, BAD, // 7x
BRA, STA, BAD, BAD, STY, STA, STX, BAD, DEY, BIM, TXA, BAD, STY, STA, STX, BAD, // 8x
BCC, STA, STA, BAD, STY, STA, STX, BAD, TYA, STA, TXS, BAD, BAD, STA, BAD, BAD, // 9x
LDY, LDA, LDX, BAD, LDY, LDA, LDX, BAD, TAY, LDA, TAX, BAD, LDY, LDA, LDX, BAD, // Ax
BCS, LDA, LDA, BAD, LDY, LDA, LDX, BAD, CLV, LDA, TSX, BAD, LDY, LDA, LDX, BAD, // Bx
CPY, CMP, BAD, BAD, CPY, CMP, DEC, BAD, INY, CMP, DEX, BAD, CPY, CMP, DEC, BAD, // Cx
- BNE, CMP, CMP, BAD, BAD, CMP, DEC, BAD, CLD, CMP, BAD, BAD, BAD, CMP, DEC, BAD, // Dx
+ BNE, CMP, CMP, BAD, BAD, CMP, DEC, BAD, CLD, CMP, PHX, BAD, BAD, CMP, DEC, BAD, // Dx
CPX, SBC, BAD, BAD, CPX, SBC, INC, BAD, INX, SBC, NOP, BAD, CPX, SBC, INC, BAD, // Ex
- BEQ, SBC, SBC, BAD, BAD, SBC, INC, BAD, SED, SBC, BAD, BAD, BAD, SBC, INC, BAD, // Fx
+ BEQ, SBC, SBC, BAD, BAD, SBC, INC, BAD, SED, SBC, PLX, BAD, BAD, SBC, INC, BAD, // Fx
};
/*
@@ -97,8 +97,12 @@ static mos6502_instruction_handler instruction_handlers[] = {
INST_HANDLER(ora),
INST_HANDLER(pha),
INST_HANDLER(php),
+ INST_HANDLER(phx),
+ INST_HANDLER(ply),
INST_HANDLER(pla),
INST_HANDLER(plp),
+ INST_HANDLER(plx),
+ INST_HANDLER(ply),
INST_HANDLER(rol),
INST_HANDLER(ror),
INST_HANDLER(rti),
@@ -130,17 +134,17 @@ static int cycles[] = {
6, 6, 0, 0, 3, 3, 5, 0, 4, 2, 2, 0, 4, 4, 6, 0, // 2x
2, 5, 5, 0, 4, 4, 6, 0, 2, 4, 2, 0, 4, 4, 7, 0, // 3x
6, 6, 0, 0, 0, 3, 5, 0, 3, 2, 2, 0, 3, 4, 6, 0, // 4x
- 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, // 5x
+ 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 3, 0, 0, 4, 7, 0, // 5x
6, 6, 0, 0, 0, 3, 5, 0, 4, 2, 2, 0, 5, 4, 6, 0, // 6x
- 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 0, 0, 6, 4, 7, 0, // 7x
+ 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 4, 0, 6, 4, 7, 0, // 7x
3, 6, 0, 0, 3, 3, 3, 0, 2, 2, 2, 0, 4, 4, 4, 0, // 8x
2, 6, 5, 0, 4, 4, 4, 0, 2, 5, 2, 0, 0, 5, 0, 0, // 9x
2, 6, 2, 0, 3, 3, 3, 0, 2, 2, 2, 0, 4, 4, 4, 0, // Ax
2, 5, 5, 0, 4, 4, 4, 0, 2, 4, 2, 0, 4, 4, 4, 0, // Bx
2, 6, 0, 0, 3, 3, 5, 0, 2, 2, 2, 0, 4, 4, 3, 0, // Cx
- 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, // Dx
+ 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 3, 0, 0, 4, 7, 0, // Dx
2, 6, 0, 0, 3, 3, 5, 0, 2, 2, 2, 0, 4, 4, 6, 0, // Ex
- 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 0, 0, 0, 4, 7, 0, // Fx
+ 2, 5, 5, 0, 0, 4, 6, 0, 2, 4, 4, 0, 0, 4, 7, 0, // Fx
};
/*