TPU 3035, TPU 3040
PRELIMINARY DATA SHEET
4. Definitions
4.1. CPU
4.1.1. Memory Mapping
Table 4–1: 65C02 memory map
Zero Page
Interrupt Vector
Absolute Address
(high byte, low byte)
FFFF, FFFE
FFFD, FFFC
FFFB, FFFA
FFF9
Stack Page
I/O Page
IRQ
Reset
NMI
Control Word
Memory Segment
Program RAM
Zero Page
Stack Page
OSD Buffer
I/O Page
8K
Character ROM
Absolute Address
0000 – 01FF
0000 – 00FF
0100 – 01FF
0100 – 019F
0200 – 02FF
6000 – 7FFF
E000 – FFFF
8K
Program ROM
DMA
Interface
Character ROM
Program ROM
ADR
DATA
DATA
ADR
BE
65C02
Display
RDY
BUSREQ
Fig. 4–1: 65C02 memory environment
MICRONAS INTERMETALL
23
MICRONAS [ MICRONAS ]
