mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-27 12:08:07 +11:00
e4a4a9800d
It's a bit more inconvenient in terms of register protection (BC is much more generally useful than IY), but it makes tight spots such as next and execute much faster, so I think it's worth it.
14 lines
430 B
Plaintext
14 lines
430 B
Plaintext
( compiled word ) L1 FSET ( execute B301 )
|
|
( 1. Push current IP to RS
|
|
2. Set new IP to the second atom of the list
|
|
3. Execute the first atom of the list. )
|
|
IX INCd, IX INCd,
|
|
0 IX+ C LDIXYr,
|
|
1 IX+ B LDIXYr,
|
|
EXDEHL, ( HL points to PFA )
|
|
( While we inc, dereference into DE for execute call later. )
|
|
LDDE(HL),
|
|
HL INCd,
|
|
B H LDrr, C L LDrr, ( --> IP )
|
|
JR, lblexec BWR ( execute-B287 )
|