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Added memory map comments

This commit is contained in:
Bill Chatfield 2024-02-15 10:29:51 -05:00
parent 7291a3bf3d
commit 7b76c77080
1 changed files with 19 additions and 3 deletions
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@ -5,10 +5,26 @@
* *
********************************
* DSK MORE ;WRITE ASSEMBLED FILE TO DISK
* TYP $06 ;$FF=SYSTEM, $06=BINARY
.OR $2000 ;ASSEMBLE START ADDRESS
* Memory Map
*
* $0000 - $00FF Zero Page
* $0100 - $01FF Stack
* $0200 - $03FF Mostly Free, Input Buffer, Interrupt Vectors
* $0400 - $07FF Lo-res/Text Page1
* $0800 - $0BFF Lo-res/Text Page2 (BASIC programs load here)
* $0C00 - $1FFF Free
* $2000 - $3FFF Hi-res Page1
* $4000 - $5FFF Hi-res Page2
* $6000 - $95FF Free
* $9600 - $BFFF DOS3.3 and Buffers
* $C000 - $CFFF Soft Switches, Expansion Card I/O and ROM
* $D000 - $F7FF BASIC ROM (can be bankswitched later models)
* $F800 - $FFFF Machine Language Monitor ROM (also can be bankswitched)
DSK MORE ;WRITE ASSEMBLED FILE TO DISK
TYP $06 ;$FF=SYSTEM, $06=BINARY
ORG $2000 ;ASSEMBLE START ADDRESS
* SYSTEM VARIABLES
*
IN .EQ $200 ;256-CHAR INPUT BUF