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mist: think I have IIc support straightened out

This commit is contained in:
Vince Weaver 2021-09-23 01:04:55 -04:00
parent 6b3f31412c
commit 72ea4da48e
3 changed files with 88 additions and 45 deletions
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33
games/mist/link_book_mist_dock.s
View File

@ -17,33 +17,18 @@ mist_link_book:
skip_turn_off_music:
; load sound effect into language card
; do this late as IIc mockingboard support messes with language card
; load link noise if IIc
; we have to load it late due to IIc needing ROM copy in AUX
; until done playing music
; this makes an awkward pause but seems best compromise
; update sound status
lda SOUND_STATUS
and #SOUND_IN_LC
beq skip_load_linking_noise
lda APPLEII_MODEL
cmp #'C'
bne link_noise_already_loaded
; load sounds into LC
jsr load_linking_noise
link_noise_already_loaded:
; read ram, write ram, use $d000 bank1
bit $C08B
bit $C08B
lda #<linking_noise_compressed
sta getsrc_smc+1
lda #>linking_noise_compressed
sta getsrc_smc+2
lda #$D0 ; decompress to $D000
jsr decompress_lzsa2_fast
; read rom, nowrite, use $d000 bank1
bit $C08A
skip_load_linking_noise:
; clear screen

62
games/mist/mist_title.s
View File

@ -194,10 +194,17 @@ ssi_not_found:
mockingboard_notfound:
done_setup_sound:
lda APPLEII_MODEL
cmp #'C'
beq link_noise_not_yet
jsr load_linking_noise
link_noise_not_yet:
;==========================
; wait a bit at text title
;==========================
@ -324,19 +331,19 @@ cyan_title_nomb:
; First
ldx #<cyan1_lzsa
ldy #>cyan1_lzsa
lda #20
lda #5
jsr draw_and_wait
; Second
ldx #<cyan2_lzsa
ldy #>cyan2_lzsa
lda #20
lda #5
jsr draw_and_wait
; Third
ldx #<cyan3_lzsa
ldy #>cyan3_lzsa
lda #40
lda #30
jsr draw_and_wait
cyan_title_done:
@ -539,6 +546,17 @@ written_no_speech:
lda #50
jsr draw_and_wait
;================================
; shut off speech if still going
;================================
lda SOUND_STATUS
and #SOUND_SSI263
beq no_not_speeking
jsr ssi263_speech_shutdown
no_not_speeking:
done_intro:
@ -579,7 +597,6 @@ game_loop:
;=================
; reset things
;=================
lda #0
sta IN_SPECIAL
sta IN_RIGHT
@ -787,7 +804,7 @@ get_mist_book:
jsr decompress_lzsa2_fast
; re-enable interrupts as SSI code probably broke things
; re-enable interrupts as SSI code probably broke things
jsr mockingboard_init
jsr reset_ay_both
@ -896,3 +913,34 @@ set_inverse:
rts
load_linking_noise:
; load sound effect into language card
; do this late as IIc mockingboard support messes with language card
; update sound status
lda SOUND_STATUS
and #SOUND_IN_LC
beq skip_load_linking_noise
; load sounds into LC
; read ram, write ram, use $d000 bank1
bit $C08B
bit $C08B
lda #<linking_noise_compressed
sta getsrc_smc+1
lda #>linking_noise_compressed
sta getsrc_smc+2
lda #$D0 ; decompress to $D000
jsr decompress_lzsa2_fast
; read rom, nowrite, use $d000 bank1
bit $C08A
skip_load_linking_noise:
rts

38
games/mist/ssi263_simple_speech.s
View File

@ -82,6 +82,8 @@ ssi263_speech_init:
ssi263_speech_shutdown:
sei
jsr ssi263_disable
rts
@ -193,6 +195,27 @@ no_oflo:
speech_end:
jsr ssi263_disable
end_interrupt:
pla
tay ; restore Y
pla
tax ; restore X
pla ; restore A
ssi_interrupt_smc:
lda $45 ; restore A (II+/IIe)
plp ; restore flags
rti ; return from interrupt
ssi263_disable:
; If at the end, turn everything off
; Toggle CTL while DR set to disable A/!R
@ -220,21 +243,8 @@ speech_end:
ldx #VIA6522_IER2
jsr ssi263_write_chip
end_interrupt:
rts
pla
tay ; restore Y
pla
tax ; restore X
pla ; restore A
ssi_interrupt_smc:
lda $45 ; restore A (II+/IIe)
plp ; restore flags
rti ; return from interrupt
speech_busy: .byte $00
speech_playing: .byte $00