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fixes vor ADC/SBC & added byte-ode for ADC/SBC

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This commit is contained in:
Folkert van Heusden 2025-04-06 18:33:58 +02:00
parent 97aafc5815
commit 640643cb65
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 16 additions and 10 deletions

26
PDP11/test.c
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@ -325,18 +325,24 @@ void emit_add_sub_c()
int id = 0;
json_t *out = json_array();
for(int group=0; group<4; group++) {
uint16_t instr = 0;
int word = group & 1;
for(int word=0; word<2; word++) {
uint16_t instr = 0;
if (group == 0 || group == 1)
instr = (6 << 12 /* instr */) | (word << 15 /* ADD/SUB */) | (1 << 6 /* src=R1 */);
else if (group == 2)
instr = (055 << 6 /* instr */) | (word << 15 /* ADCb/ADCw */) | (1 << 6 /* src=R1 */);
else if (group == 3)
instr = (056 << 6 /* instr */) | (word << 15 /* SBCb/SBCw */) | (1 << 6 /* src=R1 */);
if (group == 0 || group == 1)
instr = (6 << 12 /* instr */) | (word << 15 /* ADD/SUB */) | (1 << 6 /* src=R1 */);
else if (group == 2)
instr = (055 << 6 /* instr */) | (word << 15 /* ADCb/ADCw */) | 1 /* src=R1 */;
else if (group == 3)
instr = (056 << 6 /* instr */) | (word << 15 /* SBCb/SBCw */) | 1 /* src=R1 */;
for(int psw_val=0; psw_val<2; psw_val++)
produce_set_register(instr, psw_val, &id, out);
if (group == 2 || group == 3) {
for(int psw_val=0; psw_val<2; psw_val++)
produce_set_register(instr, psw_val, &id, out);
}
else {
produce_set_register(instr, 0, &id, out);
}
}
}
dump_json(filename, out);
}