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LR35902: Implement more LD A memory instructions

This commit is contained in:
Jeffrey Pfau 2016-01-16 16:00:56 -08:00
parent 9a4db4b03d
commit 7c989fd818
2 changed files with 26 additions and 9 deletions
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10
src/lr35902/emitter-lr35902.h
View File

@ -20,23 +20,23 @@
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDA_BC), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECBC), \
DECLARE_INSTRUCTION_LR35902(EMITTER, INCC), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECC), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDC_), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDDE), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDDE_A), \
DECLARE_INSTRUCTION_LR35902(EMITTER, INCDE), \
DECLARE_INSTRUCTION_LR35902(EMITTER, INCD), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECD), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDD_), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, JR), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDA_DE), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECDE), \
DECLARE_INSTRUCTION_LR35902(EMITTER, INCE), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECE), \
@ -52,7 +52,7 @@
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, JRZ), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDA_IHL), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECHL), \
DECLARE_INSTRUCTION_LR35902(EMITTER, INCL), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECL), \
@ -68,7 +68,7 @@
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, JRC), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, STUB), \
DECLARE_INSTRUCTION_LR35902(EMITTER, LDA_DHL), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECSP), \
DECLARE_INSTRUCTION_LR35902(EMITTER, INCA), \
DECLARE_INSTRUCTION_LR35902(EMITTER, DECA), \

25
src/lr35902/isa-lr35902.c
View File

@ -207,12 +207,15 @@ DEFINE_INSTRUCTION_LR35902(LDHL_, \
cpu->executionState = LR35902_CORE_READ_PC; \
cpu->instruction = _LR35902InstructionLDHL_Bus;)
#define DEFINE_ALU_INSTRUCTION_LR35902_MEM(NAME, REG) \
DEFINE_INSTRUCTION_LR35902(NAME ## REG, \
cpu->executionState = LR35902_CORE_MEMORY_LOAD; \
cpu->index = LR35902Read ## REG (cpu); \
cpu->instruction = _LR35902Instruction ## NAME ## Bus;)
#define DEFINE_ALU_INSTRUCTION_LR35902(NAME) \
DEFINE_ ## NAME ## _INSTRUCTION_LR35902(Bus, cpu->bus); \
DEFINE_INSTRUCTION_LR35902(NAME ## HL, \
cpu->executionState = LR35902_CORE_MEMORY_LOAD; \
cpu->index = LR35902ReadHL(cpu); \
cpu->instruction = _LR35902Instruction ## NAME ## Bus;) \
DEFINE_ALU_INSTRUCTION_LR35902_MEM(NAME, HL) \
DEFINE_INSTRUCTION_LR35902(NAME, \
cpu->executionState = LR35902_CORE_READ_PC; \
cpu->instruction = _LR35902Instruction ## NAME ## Bus;) \
@ -240,6 +243,8 @@ DEFINE_ALU_INSTRUCTION_LR35902(LDH_);
DEFINE_ALU_INSTRUCTION_LR35902(LDL_);
DEFINE_ALU_INSTRUCTION_LR35902_NOHL(LDHL_);
DEFINE_ALU_INSTRUCTION_LR35902(LDA_);
DEFINE_ALU_INSTRUCTION_LR35902_MEM(LDA_, BC);
DEFINE_ALU_INSTRUCTION_LR35902_MEM(LDA_, DE);
DEFINE_INSTRUCTION_LR35902(LDBCDelay, \
cpu->c = cpu->bus; \
@ -305,6 +310,18 @@ DEFINE_INSTRUCTION_LR35902(LDDHLA, \
cpu->executionState = LR35902_CORE_MEMORY_STORE; \
cpu->instruction = _LR35902InstructionNOP;)
DEFINE_INSTRUCTION_LR35902(LDA_IHL, \
cpu->index = LR35902ReadHL(cpu); \
LR35902WriteHL(cpu, cpu->index + 1); \
cpu->executionState = LR35902_CORE_MEMORY_LOAD; \
cpu->instruction = _LR35902InstructionLDA_Bus;)
DEFINE_INSTRUCTION_LR35902(LDA_DHL, \
cpu->index = LR35902ReadHL(cpu); \
LR35902WriteHL(cpu, cpu->index - 1); \
cpu->executionState = LR35902_CORE_MEMORY_LOAD; \
cpu->instruction = _LR35902InstructionLDA_Bus;)
DEFINE_INSTRUCTION_LR35902(LDIAFinish, \
cpu->index |= cpu->bus << 8;
cpu->bus = cpu->a; \