16 lines
323 B
ArmAsm
16 lines
323 B
ArmAsm
; Function defined on pp272-273 of C64 Programmers Reference Guide
|
|
memtop:
|
|
; p288 C64 Programmer's reference guide
|
|
; but for now we only support reading it
|
|
;; http://unusedino.de/ec64/technical/project64/mapping_c64.html
|
|
bcc memtop_set
|
|
|
|
LDY MEMSIZ+1
|
|
LDX MEMSIZ+0
|
|
rts
|
|
memtop_set:
|
|
sty MEMSIZ+1
|
|
stx MEMSIZ+0
|
|
|
|
rts
|