Updated the cx16 library to the ROM's prerelease 36.

This commit is contained in:
Greg King
2020-01-10 15:17:23 -05:00
parent 244dc358e5
commit b66f7272af
19 changed files with 357 additions and 214 deletions

View File

@@ -1,5 +1,5 @@
;
; 2019-12-23, Greg King
; 2020-01-08, Greg King
;
; void waitvsync (void);
; /* Wait for the start of the next video field. */
@@ -12,10 +12,10 @@
.include "cx16.inc"
_waitvsync:
ldx VIA1::PRA2 ; (TIMER is in RAM bank 0)
stz VIA1::PRA2
ldx VIA1::PRA ; (TIMER is in RAM bank 0)
stz VIA1::PRA
lda TIMER + 2
: cmp TIMER + 2
beq :- ; Wait for next jiffy
stx VIA1::PRA2
stx VIA1::PRA
rts