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Implemented the main page pushes.

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This commit is contained in:
Thomas Harte 2017-05-19 19:28:38 -04:00
parent 11d05fb3b8
commit eae1f78221
1 changed files with 41 additions and 8 deletions
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49
Processors/Z80/Z80.hpp
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@ -88,6 +88,8 @@ struct MicroOp {
Move8,
Move16,
AssembleAF,
None
} type;
void *source;
@ -118,7 +120,7 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
const MicroOp **program_table_;
uint8_t operation_;
RegisterPair address_;
RegisterPair address_, temporary_;
void decode_base_operation(uint8_t operation) {
#define XX {MicroOp::None, 0}
@ -216,7 +218,7 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
XX, /* 0xc2 JP NZ */
Program(FETCH16L(address_, pc_), {MicroOp::Move16, &address_.full, &pc_.full}), /* 0xc3 JP nn */
XX, /* 0xc4 CALL NZ */
XX, /* 0xc5 PUSH BC */
Program(WAIT(2), PUSH(bc_)), /* 0xc5 PUSH BC */
XX, /* 0xc6 ADD A, n */
XX, /* 0xc7 RST 00h */
XX, /* 0xc8 RET Z */
@ -227,14 +229,40 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
Program(FETCH16(address_, pc_), WAIT(1), PUSH(pc_), {MicroOp::Move16, &address_.full, &pc_.full}), /* 0xcd CALL */
XX, /* 0xce ADC A, n */
XX, /* 0xcf RST 08h */
XX, XX, XX, XX, XX, XX, XX, XX, // 0xd0
XX, /* 0xd0 RET NC */
XX, /* 0xd1 POP DE */
XX, /* 0xd2 JP NC */
XX, /* 0xd3 OUT (n), A */
XX, /* 0xd4 CALL NC */
Program(WAIT(2), PUSH(de_)), /* 0xd5 PUSH DE */
XX, /* 0xd6 SUB n */
XX, /* 0xd7 RST 10h */
XX, XX, XX, XX, XX, XX, XX, XX, // 0xd8
XX, XX, XX, XX, XX, XX, XX, XX, // 0xe0
XX, /* 0xe0 RET PO */
XX, /* 0xe1 POP HL */
XX, /* 0xe2 JP PO */
XX, /* 0xe3 EX (SP), HL */
XX, /* 0xe4 CALL PO */
Program(WAIT(2), PUSH(hl_)), /* 0xe5 PUSH HL */
XX, /* 0xe6 AND n */
XX, /* 0xe7 RST 20h */
XX, XX, XX, XX, XX, XX, XX, XX, // 0xe8
XX, XX, XX, XX, XX, XX, XX, XX, // 0xf0
XX, /* 0xf8 */
Program(WAIT(2), {MicroOp::Move16, &hl_.full, &sp_.full}), /* 0xF9 LD SP, HL */
XX, XX, XX, XX, XX, XX, // 0xf8
XX, /* 0xf0 RET p */
XX, /* 0xf1 POP AF */
XX, /* 0xf2 JP P */
XX, /* 0xf3 DI */
XX, /* 0xf4 CALL P */
Program(WAIT(2), {MicroOp::AssembleAF}, PUSH(temporary_)), /* 0xf5 PUSH AF */
XX, /* 0xf6 OR n */
XX, /* 0xf7 RST 30h */
XX, /* 0xf8 RET M */
Program(WAIT(2), {MicroOp::Move16, &hl_.full, &sp_.full}), /* 0xf9 LD SP, HL */
XX, /* 0xfa JP M */
XX, /* 0xfb EI */
XX, /* 0xfc CALL M */
XX, /* 0xfd [FD page] */
XX, /* 0xfe CP n */
XX, /* 0xff RST 38h */
};
if(base_program_table[operation][0].type == MicroOp::None) {
printf("Unknown Z80 operation %02x!!!\n", operation);
@ -297,6 +325,11 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
case MicroOp::Move8: *(uint8_t *)operation->destination = *(uint8_t *)operation->source; break;
case MicroOp::Move16: *(uint16_t *)operation->destination = *(uint16_t *)operation->source; break;
case MicroOp::AssembleAF:
temporary_.bytes.high = a_;
temporary_.bytes.low = get_flags();
break;
default:
printf("Unhandled Z80 operation %d\n", operation->type);
return;