Ladilikanw dekodɔn Intel 8087 puce flotant-point kɔnɔ

\u003ch2\u003eKalansenw dekodɔn Intel 8087 puce floating-point kɔnɔ\u003c/h2\u003e \u003cp\u003eNin barokun bɛ hakilina nafamaw ni kunnafoniw di a barokun kan, ka dɛmɛ don dɔnniya tilali ni faamuyali la.\u003c/p\u003e \u003ch3\u003eTakeaways kunbabaw\u003c/h3\u003e \u003cp\u003eKalanbagaw bɛ se ka jigi ka tɔnɔ sɔrɔ:\u003c/p\u003e \u003cul\u003e \u003cli\u003eKunnafoni faamuyali kuncɛlen\u003c/li\u003e \u003cli\u003eBaarakɛcogo waleyali ani diɲɛ kɔnɔko lakika\u003c/li\u003e \u003cli\u003eDɔnnikɛlaw ka miiriyaw ni u sɛgɛsɛgɛli\u003c/li\u003e \u003cli\u003eKunnafoni kura donna sisan kow kan\u003c/li\u003e \u003c/ul\u003e \u003ch3\u003eNafa jiracogo\u003c/h3\u003e \u003cp\u003eKɔnɔkow ɲuman i n'a fɔ nin bɛ dɛmɛ don ka dɔnniya sabati ani ka kunnafonidi latigɛw yiriwa dakun suguya caman na.\u003c/p\u003e

Ɲininkali minnu bɛ kɛ tuma caman na

instruction decoding ye mun ye Intel 8087 kɔnɔ ?

Instruction decoding in Intel 8087 ye fɛɛrɛ ye min bɛ kɛ ni floating-point coprocessor bɛ opcodes minnu sɔrɔ ka bɔ 8086/8088 CPU kunba la, olu kɔrɔ fɔ. 8087 bɛ cikan bisi kɔlɔsi ani ka ESC (boli) cikanw jira minnu kɔrɔ ye kɛrɛnkɛrɛnnenya la a kama. Ni a dɔnna, puce bɛ opcode forow decode walasa ka floating-point baarakɛcogo dɔn — i n’a fɔ farali, caya, walima square root — ani ka waleyali sira bila ka taa microcode kɔnɔna kɛcogo bɛnnenw na.

8087 koporosesɛri bɛ kumaɲɔgɔnya kɛ ni CPU kunba ye cogo di ?

8087 bɛ baara kɛ ɲɔgɔn fɛ ni 8086/8088 ye ni sistɛmu bisi kɔlɔsili ye cogo la min tɛ kɛ . Ni CPU kunba ye ESC cikan dɔ Lase, 8087 b’a Dɔn k’a ka baara kɛcogo Tà. Sinsinnan bɛ ɲɛnabɔ cogoya layiniw fɛ ani WAIT cikan fɛ, o min b’a to CPU bɛ jɔ fo 8087 ka baara kɛ ka ban. O dilancogo min ni ɲɔgɔn cɛ ka nɔgɔn, o kɛra dugukoloko ye a waati la, wa a ye nɔ bila koporosesɛriw jɔcogo nataw la.

Mun na Intel 8087 nafa ka bon hali bi kalan na ?

8087 faamuyali bɛ dɔnniya jɔnjɔn di bi FPUw yiriwara cogo min na . A ka kalanko kodɔncogo, stack-based register model, ani IEEE 754 bolomafaraw ye x87 floating-point unit kelen-kelen bɛɛ cogoya min tugura o kɔ. Ka ɲɛsin fɛn dilannikɛlaw ni fɛnɲɛnɛmako kanubagaw ma minnu bɛ puwɛnti jɔcogo sɛgɛsɛgɛ, sigida minnu bɛ i n’a fɔ Mewayz, olu bɛ modulu 207 ni kɔ di minnu bɛ barokunw ɲɛfɔ k’a ta ɔridinatɛri dɔgɔmanninw na ka se bi yiriwali ma — o bɛɛ bɛ se ka sɔrɔ dɔrɔmɛ 19 dɔrɔn na kalo kelen kɔnɔ — o b’a to fɛɛrɛkalan jugumanw bɛ se ka gɛrɛ ɲɔgɔn na.

8087 tun bɛ se ka baara jumɛnw kɛ , min bɛ kɛ ni fɛn ye min bɛ wuli ?

Intel 8087 ye baara caman dɛmɛ i n’a fɔ farali, bɔli, caya, tilali, sɛrɛkili, ani baarakɛcogo tɛmɛnenw i n’a fɔ sin, kosin ani logaritmu. A tun bɛ kunnafoni suguya caman ɲɛnabɔ—jateden dafalenw 16, 32 ani 64, ani jateden 32, 64 ani 80 nimɔrɔ minnu bɛ wuli. O fɛn caman kɛcogo in y’a to a kɛra fɛn ye min nafa ka bon dɔnniya jatebɔ la, CAD baarakɛcogo la, ani wariko jatebɔ la PC waati daminɛ na.

aw ka jagokɛminɛnw bɛɛ bɛ yɔrɔ kelen na

Aw ka porogaramu caman jɔli dabila . Mewayz bɛ baarakɛminɛn 207 fara ɲɔgɔn kan $19/kalo dɔrɔn na — k’a ta fɛnmarayɔrɔ la ka taa a bila HR la, ka taa bila jatebɔ la ka taa a bila jateminɛ na. Karti si tɛ wajibiya walasa ka daminɛ.

A ɲini ka Mewayz Free → kɛ