home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
ftp.barnyard.co.uk
/
2015.02.ftp.barnyard.co.uk.tar
/
ftp.barnyard.co.uk
/
cpm
/
walnut-creek-CDROM
/
CPM
/
Z280
/
ZEDUX280.LBR
/
SYSTEM.TZT
/
SYSTEM.TXT
Wrap
Text File
|
2000-06-30
|
3KB
|
56 lines
ááááL----!----!----!----!----!----!----!----!----!----!----!----!----!----R
áááá
ááááContent≤ oµ filσ e4:REMOTE:SYSTEM.TXT:
About this system:
ááááOk¼ s∩ ho≈ doe≤ thi≤ systeφ worδ ┐ Thi≤ system¼ is¼ ╔ believe¼ anΣ havσ ì
áááábeeεá tolΣá b∙ Zilog¼á thσ firs⌠ ful∞ Z28░ systeφ runninτ aεá operatinτ ì
áááásystem«á Thσ firs⌠ benchmark≤ fo≥ thσ Z28░ reporteΣ t∩ Ziloτ werσá donσ ì
ááááhere.
ááááThσ systeφ i≤ baseΣ oε (oµ al∞ things!⌐ thσ firs⌠ commerciall∙á shippeΣ ì
áááápersona∞ computer¼á thσ MIT╙ 8800┬ computer« Thi≤ i≤ aε S-10░ computer¼ ì
áááábu⌠á oµá course¼á thσ attractioε oµ thσ genera∞ bu≤ structurσá i≤á tha⌠ ì
ááááupgradσ i≤ possible« Oε thσ S-100¼ extentioε t∩ handlσ ne≈ development≤ ì
ááááiεá thσá compute≥ tradσ ha≤ beeε bette≥ handleΣ thaε newe≥á buses«á Thσ ì
ááááorigina∞á ╕á bi⌠á data¼á 1╢ bi⌠ addres≤ (64kb⌐á limiteΣá bu≤á ha≤á beeε ì
ááááextendeΣá (thank≤á t∩ thσ IEE┼ standard⌐ t∩ 8/1╢ bi⌠ data¼á anΣ 2┤á bi⌠ ì
ááááaddres≤ (1╢ megabytes).
ááááThσá IB═á P├ bus¼á createΣ ╖ year≤ later¼á canno⌠ ge⌠ pas⌠ it'≤ ╕á bi⌠ ì
áááádata¼á ▒á meg«á address¼á withou⌠á addinτá othe≥á buse≤á alongsidσá it« ì
ááááCoincidently¼á thi≤ i≤ thσ samσ datß anΣ addres≤ parameter≤ oµ thσá ne≈ ì
ááááZ280.
ááááThσá firs⌠ memor∙ useΣ herσ wa≤ witΦ 1δ statiπ memor∙á chips¼á managinτ ì
áááá8kΓá (wow⌐ pe≥ card«á Tha⌠ seem≤ laughablσ now¼á bu⌠ thσ firs⌠á Altair≤ ì
ááááwerσ shippeΣ usinτ 1kΓ memor∙ boards«á Thσ memor∙ useΣ i≤ 256kΓá board≤ ì
áááá(froφá thσá no≈ defunc⌠ Compupro)«á AlthougΦ wσ caε ge⌠ tha⌠ mucΦ oεá ß ì
áááásinglσá carrie≥á 1/2░ tha⌠ sizσ o≥ smaller¼á i⌠ i≤á static¼á use≤á ver∙ ì
áááálittlσ power¼ anΣ doe≤ no⌠ havσ an∙ refreshinτ concern« Thσ CP╒ useΣ i≤ ì
ááááß Cromemc∩ ZPU¼á onσ oµ thσ firs⌠ Z80/S-10░ CP╒ board≤ available«á Thi≤ ì
ááááha≤á beeεá converteΣ t∩ Z28░ operatioε b∙ thσ "directó versioεá oµá thσ ì
ááááZedu°á Z28░á conversioεá board«á Othe≥ thaε that¼á wσ havσá ßá 4░á meg« ì
ááááMicropoli≤á harΣá disδ (whicΦ i≤ full)¼á anΣ ß ╢ por⌠ RS23▓á I/╧á boarΣ ì
áááá(whicΦ i≤ als∩ full)¼ anΣ sundr∙ othe≥ playthings¼ mostl∙ obtaineΣ froφ ì
áááápeoplσ tradinτ S-10░ system≤ fo≥ aε IB═ PC.
ááááS∩á wh∙á haven'⌠á ╔á moveΣ t∩ thσ bluσ bricδá ┐á ArounΣá here¼á wσá usσ ì
ááááeverything« CA─ oε P├ o≥ ß MAC¼ timσ oε ß VAX¼ whatever« I¼ however¼ aφ ì
ááááno⌠ ß truσ hobbys⌠ iε tha⌠ ╔ basicall∙ usσ thσ confuse≥ onl∙ t∩ develo≡ ì
ááááanΣ tes⌠ m∙ owε programs«á This¼ wheε yo⌡ thinδ abou⌠ it¼ mean≤ tha⌠ m∙ ì
ááááprogram≤ arσ neve≥ reall∙ useΣ t∩ accomplisΦ aε actua∞ rea∞ worlΣá tasδ ì
áááá(b∙ me)¼á bu⌠ that'≤ prett∙ standarΣ witΦ systeφ programmers«á Anyways¼ ì
ááááthσá poin⌠á i≤ tha⌠ i⌠ i≤ rathe≥ pointles≤ t∩ movσ t∩ ßá differen⌠á CP╒ ì
ááááunti∞á ╔ ge⌠ greate≥ power¼á memor∙ size¼á etc.¼á froφ anothe≥ machine« ì
ááááSincσá ╔á writσ iε HL╠ (anΣ d∩ tha⌠ PORTABLY¼á unlikσ mos⌠ ╔á kno≈á wh∩ ì
áááápreacΦ tha⌠ sor⌠ oµ thing)¼á iµ ╔ fee∞ likσ sellinτ m∙ stufµ oε thσá P├ ì
ááááo≥ MAC¼ n∩ problem« Whatever¼ righ⌠ ?
Sam
z280info>> Command (B/F/R/S/W/E/C/G/H/?):
èe4:REMOTE:25>