6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-09-28 09:54:49 +00:00
Code Issues Projects Releases Wiki Activity

Tried to complete the LD[I/D]{R} group. 32 issues remain.

Browse Source
This commit is contained in:
Thomas Harte 2017-05-28 23:55:54 -04:00
parent 409c82ce73
commit 47845f8c19
1 changed files with 66 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
Processors/Z80/Z80.hpp
View File

@ -117,7 +117,10 @@ struct MicroOp {
EI, DI, IM,
LDIR,
LDI, LDIR, LDD, LDDR,
CPI, CPIR, CPD, CPDR,
INI, INIR, IND, INDR,
OUTI, OUTIR, OUTD, OUTDR,
RLA, RLCA, RRA, RRCA,
RLC, RRC, RL, RR,
@ -384,19 +387,25 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
/* 0x7e IM 2 */ Program({MicroOp::IM}), /* 0x7f XX */ XX,
NOP_ROW(), /* 0x80 */
NOP_ROW(), /* 0x90 */
/* 0xa0 LDI */ XX,
/* 0xa1 CPI */ XX,
/* 0xa2 INI */ XX, /* 0xa3 OTI */ XX,
/* 0xa0 LDI */ Program(FETCHL(temp8_, hl_), STOREL(temp8_, de_), WAIT(2), {MicroOp::LDI}),
/* 0xa1 CPI */ Program(FETCHL(temp8_, hl_), WAIT(5), {MicroOp::CPI}),
/* 0xa2 INI */ Program(IN(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::INI}),
/* 0xa3 OTI */ Program(OUT(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::OUTI}),
XX, XX, XX, XX,
/* 0xa8 LDD */ XX, /* 0xa9 CPD */ XX,
/* 0xaa IND */ XX, /* 0xab OTD */ XX,
/* 0xa8 LDD */ Program(FETCHL(temp8_, hl_), STOREL(temp8_, de_), WAIT(2), {MicroOp::LDD}),
/* 0xa9 CPD */ Program(FETCHL(temp8_, hl_), WAIT(5), {MicroOp::CPD}),
/* 0xaa IND */ Program(IN(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::IND}),
/* 0xab OTD */ Program(OUT(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::OUTD}),
XX, XX, XX, XX,
/* 0xb0 LDIR */ Program(FETCHL(temp8_, hl_), STOREL(temp8_, de_), WAIT(2), {MicroOp::LDIR}, WAIT(5)),
/* 0xb1 CPIR */ XX,
/* 0xb2 INIR */ XX, /* 0xb3 OTIR */ XX,
/* 0xb1 CPIR */ Program(FETCHL(temp8_, hl_), WAIT(5), {MicroOp::CPIR}, WAIT(5)),
/* 0xb2 INIR */ Program(IN(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::INIR}, WAIT(5)),
/* 0xb3 OTIR */ Program(IN(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::OUTIR}, WAIT(5)),
XX, XX, XX, XX,
/* 0xb8 LDDR */ XX, /* 0xb9 CPDR */ XX,
/* 0xba INDR */ XX, /* 0xbb OTDR */ XX,
/* 0xb8 LDDR */ Program(FETCHL(temp8_, hl_), STOREL(temp8_, de_), WAIT(2), {MicroOp::LDDR}, WAIT(5)),
/* 0xb9 CPDR */ Program(FETCHL(temp8_, hl_), WAIT(5), {MicroOp::CPDR}, WAIT(5)),
/* 0xba INDR */ Program(IN(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::INDR}, WAIT(5)),
/* 0xbb OTDR */ Program(IN(bc_, temp8_), STOREL(temp8_, hl_), WAIT(1), {MicroOp::OUTDR}, WAIT(5)),
XX, XX, XX, XX,
NOP_ROW(), /* 0xc0 */
NOP_ROW(), /* 0xd0 */
@ -1067,10 +1076,11 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
#pragma mark - Repetition
case MicroOp::LDDR:
case MicroOp::LDIR: {
bc_.full--;
de_.full++;
hl_.full++;
de_.full += (operation->type == MicroOp::LDIR) ? 1 : -1;
hl_.full += (operation->type == MicroOp::LDIR) ? 1 : -1;
bit3_result_ = bit5_result_ = a_ + temp8_;
subtract_flag_ = 0;
@ -1086,6 +1096,50 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
}
} break;
case MicroOp::LDD:
case MicroOp::LDI: {
bc_.full--;
de_.full += (operation->type == MicroOp::LDI) ? 1 : -1;
hl_.full += (operation->type == MicroOp::LDI) ? 1 : -1;
bit3_result_ = bit5_result_ = a_ + temp8_;
subtract_flag_ = 0;
half_carry_flag_ = 0;
parity_overflow_flag_ = bc_.full ? Flag::Parity : 0;
} break;
case MicroOp::CPDR:
case MicroOp::CPIR: {
bc_.full--;
de_.full += (operation->type == MicroOp::LDIR) ? 1 : -1;
hl_.full += (operation->type == MicroOp::LDIR) ? 1 : -1;
bit3_result_ = bit5_result_ = a_ + temp8_;
subtract_flag_ = 0;
half_carry_flag_ = 0;
if(bc_.full) {
parity_overflow_flag_ = Flag::Parity;
pc_.full -= 2;
} else {
parity_overflow_flag_ = 0;
move_to_next_program();
checkSchedule();
}
} break;
// case MicroOp::CPD:
// case MicroOp::CPI: {
// bc_.full--;
// de_.full += (operation->type == MicroOp::LDI) ? 1 : -1;
// hl_.full += (operation->type == MicroOp::LDI) ? 1 : -1;
//
// bit3_result_ = bit5_result_ = a_ + temp8_;
// subtract_flag_ = 0;
// half_carry_flag_ = 0;
// parity_overflow_flag_ = bc_.full ? Flag::Parity : 0;
// } break;
#pragma mark - Bit Manipulation
case MicroOp::BIT: {