6502/COMMON
1
0
Fork 0
mirror of https://github.com/Russell-S-Harper/COMMON.git synced 2026-03-11 03:19:06 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #37 from Russell-S-Harper/development

Browse Source 
Added comment regarding context switching.
This commit is contained in:
Russell-S-Harper
2018-09-19 22:25:06 -04:00
committed by GitHub
parent e6a4e95980 65267903c1
commit b6c901bec2
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
common/common.h
View File

@@ -97,6 +97,8 @@ _PS = _IDY + 1 ; saved processor status to restore
_RS = $200 ; register stack
_RSS = (FN_FX - _RS) ; register stack size
; for context switching, at least _R0 to FN_FX-1 plus one byte for the stack pointer need to be saved and restored
; last 32 bytes of page two
FN_FX = $2e0 ; list of system and user functions