Apple Composite Monitor Manual de usuario Pagina 1

If more than one source for RDY RUN use owen-collector gate 7401 (not '00) CS (SlowROM address decoded) I I , ' 1 STEP -1,I Y needed only f

The Apple Computer Company hereby warrants each of its products, and all components therein contained, to be free from defects in materials

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SPECIFICATIONS MICROPROCESSOR: Microprocessor Clock Frequency: Effective Cycle Frequency: (Including Ref re sh Waits) VIDEO OUTPUT: Line Rate: Frame R

The Apple Computer is a complete micro- '~,ocessor system, consisting of a Mos Technology 2 microprocessor and support hardware, in-Jral vid

Display: The Apple Computer outputs a composite video signal (composite of sync and video infor- mation) which can be applied to any sta

ifhmetic mode. LDY #$7F Mask for DSP data direction register. STY DSP Set it up. LDA #$A7 KBD and DSP control register mask. FF09 8D 11 D0 STA KBD

i 6502 HEX MONITOR LISTING (continued) FF75 FF77 FF79 FF7A FF7C FF7D FF7F FF81 FF83 FF85 FF87 FF89 FF8B FF8D FF8F FF91 FF94 FF97 FF99 FF9B FF9D FF9F F

Page 0 Variables XAML 24 XAMH 25 STL 26 STH 27 L 28 H 29 YSAV 2A MODE 2B HARDWARE NOTES Other Variables IN 200-27F KBD KBDCR Doll DSP DSP CR DQ1

SECTION I11 HOW TO EXPAND THE APPLE SYSTEM The Apple system can be expanded to in- clude more memory and I0 devices, via a 44-pin edge connect