Ndozi ntụziaka na Intel 8087 floating-point mgbawa

\u003ch2\u003e Ndozi ntụziaka na Intel 8087 floating-point chip\u003c/h2\u003e \u003cp\u003e Isiokwu a na-enye nghọta bara uru na ozi gbasara isiokwu ya, na-enye aka na ịkekọrịta ihe ọmụma na nghọta.\u003c/p\u003e \u003ch3\u003e Key Takeaways\u003c/h3\u003e \u003cp\u003e Ndị na-agụ nwere ike ịtụ anya inweta:\u003c/p\u003e \u003cul\u003e \u003c\u003e Nghọta miri emi nke isi okwu\u003c/li\u003e \u003c\u003e Ngwa bara uru na ezigbo mkpa ụwa\u003c/li\u003e \u003c\u003e Echiche ndị ọkachamara na nyocha\u003c/li\u003e \u003c\u003e ozi emelitere maka mmepe ugbu a\u003c/li\u003e \u003c/ul\u003e \u003ch3\u003e Atụmatụ bara uru\u003c/h3\u003e \u003cp\u003e Ọdịnaya dị mma dị ka nke a na-enyere aka wulite ihe ọmụma ma kwalite ime mkpebi ziri ezi na ngalaba dị iche iche.\u003c/p\u003e

Ajụjụ a na-ajụkarị

Gịnị bụ ngbanwe ntuziaka na Intel 8087?

Ndozi ntụziaka na Intel 8087 bụ usoro nke onye na-ahụ maka ihe na-ese n'elu mmiri na-akọwa opcodes natara na isi 8086/8088 CPU. Ndị 8087 na-enyocha ụgbọ ala nkuzi wee chọpụta ntuziaka ESC (mgbanarị) pụtara kpọmkwem maka ya. Ozugbo achọpụtara ya, mgbawa ahụ na-ewepụta oghere opcode iji chọpụta ọrụ ebe a na-ese n'elu mmiri - dị ka mgbakwunye, mmụba, ma ọ bụ mgbọrọgwụ mkpirisi-na ụzọ mmegbu ga-aga n'ime usoro microcode kwesịrị ekwesị.

Olee otu onye na-arụ ọrụ 8087 si ekwurịta okwu na isi CPU?

8087 na-arụ ọrụ na 8086/8088 site na iji nlezianya nyochaa ụgbọ ala sistemụ. Mgbe isi CPU wetara ntuziaka ESC, 8087 na-achọpụta ya wee weghara mmezu nke ọrụ n'elu mmiri. A na-edozi mmekọrịta site na ahịrị ọkwa yana ntụziaka WAIT, nke na-eme ka CPU kwụsịtụ ruo mgbe 8087 mechara nhazi. Nhazi a ejikọtaghị ọnụ bụ ihe na-agbawa obi maka oge ya ma metụta ụlọ ọrụ nhazi nke ga-eme n'ọdịnihu.

Gịnị kpatara Intel 8087 ka ji dị mkpa ịmụ ihe taa?

Ịghọta 8087 na-enye ihe ọmụma ntọala ka FPU nke ọgbara ọhụrụ siri pụta. Atụmatụ ntinye akwụkwọ ntuziaka ya, ụdị ndekọ ndekọ ndekọ, yana onyinye IEEE 754 na-eme ka akụkụ ọ bụla na-ese n'elu x87 sochirinụ. Maka ndị mmepe na ndị na-anụ ọkụ n'obi ngwaike na-enyocha ụlọ mgbawa, nyiwe dị ka Mewayz na-enye ihe karịrị modul 207 na-ekpuchi isiokwu sitere na mgbakọ dị ala ruo na mmepe ọgbara ọhụrụ-ha niile na-enweta naanị $19/mo-na-eme ka mmụta teknụzụ miri emi dịkwuo mfe ịbịaru nso.

Olee ọrụ 8087 nwere ike ịrụ?

Intel 8087 kwadoro ọrụ dịgasị iche iche gụnyere mgbakwunye, mwepu, ịba ụba, nkewa, mgbọrọgwụ square, na ọrụ transcendental dị ka sine, cosine, na logarithms. Ọ na-edozi ọtụtụ ụdị data-16-, 32-, na 64-bit integers, yana nọmba 32-, 64-, na 80-bit na-ese n'elu mmiri. Ọdịiche a mere ka ọ bụrụ ihe dị mkpa maka mgbakọ sayensị, ngwa CAD, na ngụkọ ego n'oge oge PC mbụ.