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dos33fsprogs
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mboard: some hacks got it to work 

need to manually set IRQ vector
This commit is contained in:
Vince Weaver 2021-08-06 11:25:58 -04:00
parent 4ba7c72813
commit a5dd665198
2 changed files with 9 additions and 1 deletions
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2
logo/mboard/Makefile
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@ -46,7 +46,7 @@ MUSIC: music.o
music.o: music.s \
zp.inc hardware.inc nozp.inc \
interrupt_handler.s
interrupt_handler.s pt3_lib_mockingboard_setup.s
ca65 -o music.o music.s -l music.lst
####

8
logo/mboard/pt3_lib_mockingboard_setup.s
View File

@ -244,14 +244,22 @@ done_apple_detect:
; logo has us in AUX mode???
; sta $C004
sta $C008 ; switch to main memory
jsr $BF00 ; prodos MLI interface
.byte $40 ; ALLOC_INTERRUPT
.word interrupt_parms
; sta $C005
sta $C009 ; return to main memory
lda #$C3
sta $FFFF
lda #$FA
sta $FFFE
;============================
; Enable 50Hz clock on 6522
;============================