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several swapped MMR1 instances

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folkert van heusden 2024-04-12 19:50:35 +02:00
parent ce8af01f63
commit 85e8f873e9
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
2 changed files with 28 additions and 11 deletions
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20
cpu.cpp
View file

@ -511,10 +511,10 @@ bool cpu::double_operand_instructions(const uint16_t instr)
}
case 0b010: { // CMP/CMPB Compare Word/Byte
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
auto g_dst = getGAM(dst_mode, dst_reg, word_mode, rm_cur);
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
uint16_t temp = (g_src.value.value() - g_dst.value.value()) & (word_mode == wm_byte ? 0xff : 0xffff);
setPSW_n(SIGN(temp, word_mode));
@ -526,9 +526,9 @@ bool cpu::double_operand_instructions(const uint16_t instr)
}
case 0b011: { // BIT/BITB Bit Test Word/Byte
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
auto g_dst = getGAM(dst_mode, dst_reg, word_mode, rm_cur);
auto g_dst = getGAM(dst_mode, dst_reg, word_mode, rm_cur);
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
uint16_t result = (g_dst.value.value() & g_src.value.value()) & (word_mode == wm_byte ? 0xff : 0xffff);
@ -538,10 +538,10 @@ bool cpu::double_operand_instructions(const uint16_t instr)
}
case 0b100: { // BIC/BICB Bit Clear Word/Byte
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
auto g_dst = getGAM(dst_mode, dst_reg, word_mode, rm_cur);
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
uint16_t result = g_dst.value.value() & ~g_src.value.value();
if (put_result(g_dst, result))
@ -552,10 +552,10 @@ bool cpu::double_operand_instructions(const uint16_t instr)
case 0b101: { // BIS/BISB Bit Set Word/Byte
// TODO: retain MSB for register operations?
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
auto g_dst = getGAM(dst_mode, dst_reg, word_mode, rm_cur);
gam_rc_t g_src = getGAM(src_mode, src_reg, word_mode, rm_cur);
uint16_t result = g_dst.value.value() | g_src.value.value();
if (put_result(g_dst, result)) {
@ -568,10 +568,10 @@ bool cpu::double_operand_instructions(const uint16_t instr)
}
case 0b110: { // ADD/SUB Add/Subtract Word
auto g_ssrc = getGAM(src_mode, src_reg, wm_word, rm_cur);
auto g_dst = getGAM(dst_mode, dst_reg, wm_word, rm_cur);
auto g_ssrc = getGAM(src_mode, src_reg, wm_word, rm_cur);
int16_t result = 0;
bool set_flags = true;

19
main.cpp
View file

@ -206,7 +206,24 @@ int run_cpu_validation(const std::string & filename)
uint16_t should_be_mmr = json_integer_value(a_mmr);
uint16_t is_mmr = b->getMMR(r);
if (should_be_mmr != is_mmr) {
DOLOG(warning, true, "MMR%d register mismatch (is: %06o (%d), should be: %06o (%d))", r, is_mmr, is_mmr, should_be_mmr, should_be_mmr);
int is_d1 = is_mmr >> 11;
if (is_d1 & 16)
is_d1 = -(32 - is_d1);
int is_r1 = (is_mmr >> 8) & 7;
int is_d2 = (is_mmr >> 3) & 31;
if (is_d2 & 16)
is_d2 = -(32 - is_d2);
int is_r2 = is_mmr & 7;
int sb_d1 = should_be_mmr >> 11;
if (sb_d1 & 16)
sb_d1 = -(32 - sb_d1);
int sb_r1 = (should_be_mmr >> 8) & 7;
int sb_d2 = (should_be_mmr >> 3) & 31;
if (sb_d2 & 16)
sb_d2 = -(32 - sb_d2);
int sb_r2 = should_be_mmr & 7;
DOLOG(warning, true, "MMR%d register mismatch (is: %06o (%d / %02d,%02d - %02d,%02d), should be: %06o (%d / %02d,%02d - %02d,%02d))%s", r, is_mmr, is_mmr, is_d1, is_r1, is_d2, is_r2, should_be_mmr, should_be_mmr, sb_d1, sb_r1, sb_d2, sb_r2, c->is_it_a_trap() ? " TRAP": "");
err = true;
}
}