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https://github.com/deater/dos33fsprogs.git
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dya: almost have playing out of same buffer
need to also update the copy code
This commit is contained in:
Vince Weaver
parent
b26ee7c7d4
commit
c1ce7d59a8
@ -380,6 +380,11 @@ done_name_loop:
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lda #>UNPACK_BUFFER1
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sta INH
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lda #<UNPACK_BUFFER2 ; set input pointer
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sta INL2
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lda #>UNPACK_BUFFER2
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sta INH2
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; Decompress first chunks
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lda #$0
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@ -77,26 +77,19 @@ mb_not_13:
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; address
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stx MOCK_6522_ORA1 ; put address on PA1 ; 4
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stx MOCK_6522_ORA2 ; put address on PA2 ; 4
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lda #MOCK_AY_LATCH_ADDR ; latch_address for PB1 ; 2
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sta MOCK_6522_ORB1 ; latch_address on PB1 ; 4
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sta MOCK_6522_ORB2 ; latch_address on PB2 ; 4
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lda #MOCK_AY_INACTIVE ; go inactive ; 2
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sta MOCK_6522_ORB1 ; 4
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sta MOCK_6522_ORB2 ; 4
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; value
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lda REGISTER_DUMP,X ; load register value ; 4
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sta MOCK_6522_ORA1 ; put value on PA1 ; 4
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sta MOCK_6522_ORA2 ; put value on PA2 ; 4
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lda #MOCK_AY_WRITE ; ; 2
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sta MOCK_6522_ORB1 ; write on PB1 ; 4
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sta MOCK_6522_ORB2 ; write on PB2 ; 4
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lda #MOCK_AY_INACTIVE ; go inactive ; 2
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sta MOCK_6522_ORB1 ; 4
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sta MOCK_6522_ORB2 ; 4
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;===========
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; 62
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mb_no_write:
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inx ; point to next register ; 2
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cpx #14 ; if 14 we're done ; 2
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@ -118,6 +111,75 @@ mb_reg_copy:
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;=============
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; 171
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;======================================
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; Write frames to Mockingboard
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;======================================
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; actually plays frame loaded at end of
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; last interrupt, so 20ms behind?
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mb_write_frame2:
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ldx #0 ; set up reg count ; 2
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;============
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; 2
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mb_write_loop2:
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lda REGISTER_DUMP2,X ; load register value ; 4
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cmp REGISTER_OLD2,X ; compare with old values ; 4
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beq mb_no_write2 ; 3/2nt
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;=============
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; typ 11
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; special case R13. If it is 0xff, then don't update
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; otherwise might spuriously reset the envelope settings
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cpx #13 ; 2
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bne mb_not_132 ; 3/2nt
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cmp #$ff ; 2
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beq mb_skip_132 ; 3/2nt
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;============
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; typ 5
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mb_not_132:
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; address
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stx MOCK_6522_ORA2 ; put address on PA2 ; 4
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lda #MOCK_AY_LATCH_ADDR ; latch_address for PB1 ; 2
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sta MOCK_6522_ORB2 ; latch_address on PB2 ; 4
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lda #MOCK_AY_INACTIVE ; go inactive ; 2
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sta MOCK_6522_ORB2 ; 4
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; value
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lda REGISTER_DUMP2,X ; load register value ; 4
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sta MOCK_6522_ORA2 ; put value on PA2 ; 4
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lda #MOCK_AY_WRITE ; ; 2
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sta MOCK_6522_ORB2 ; write on PB2 ; 4
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lda #MOCK_AY_INACTIVE ; go inactive ; 2
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sta MOCK_6522_ORB2 ; 4
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mb_no_write2:
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inx ; point to next register ; 2
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cpx #14 ; if 14 we're done ; 2
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bmi mb_write_loop2 ; otherwise, loop ; 3/2nt
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;============
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; 7
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mb_skip_132:
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;=====================================
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; Copy registers to old
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;=====================================
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ldx #13 ; 2
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mb_reg_copy2:
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lda REGISTER_DUMP2,X ; load register value ; 4
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sta REGISTER_OLD2,X ; compare with old values ; 4
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dex ; 2
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bpl mb_reg_copy2 ; 2nt/3
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;=============
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; 171
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;===================================
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; Load all 14 registers in advance
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;===================================
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@ -134,6 +196,8 @@ mb_load_values:
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mb_load_loop:
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lda (INL),y ; load register value ; 5
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sta REGISTER_DUMP,X ; 4
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lda (INL2),y
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sta REGISTER_DUMP2,X
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;============
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; 9
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;====================
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@ -145,6 +209,11 @@ mb_load_loop:
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adc CHUNKSIZE ; 3
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sta INH ; 3
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clc
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lda INH2
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adc CHUNKSIZE
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sta INH2
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inx ; point to next register ; 2
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cpx #14 ; if 14 we're done ; 2
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bmi mb_load_loop ; otherwise, loop ; 3/2nt
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@ -225,15 +294,24 @@ back_to_first_reg_b:
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back_to_first_reg_a:
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clc ; 2
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adc #>UNPACK_BUFFER1 ; in proper chunk 1 or 2 ; 2
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adc #>UNPACK_BUFFER1 ; in proper chunk 1 or 2; 2
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sta INH ; update r0 pointer ; 3
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sec
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sbc #>UNPACK_BUFFER1
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clc
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adc #>UNPACK_BUFFER2
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sta INH2
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jmp update_r0_pointer ; 3
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back_to_first_reg_c:
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lda #>(UNPACK_BUFFER1+$2A00) ; in linear C area ; 2
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lda #>(UNPACK_BUFFER1+$2A00) ; in linear C area ; 2
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sta INH ; update r0 pointer ; 3
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lda #>(UNPACK_BUFFER2+$2A00) ; in linear C area ; 2
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sta INH2 ; update r0 pointer ; 3
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update_r0_pointer:
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sta INH ; update r0 pointer ; 3
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@ -351,6 +429,8 @@ quiet_exit:
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mb_clear_reg:
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sta REGISTER_DUMP,X ; clear register value ; 4
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sta REGISTER_OLD,X ; clear old values ; 4
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sta REGISTER_DUMP2,X ; clear register value ; 4
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sta REGISTER_OLD2,X ; clear old values ; 4
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dex ; 2
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bpl mb_clear_reg ; 2nt/3
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@ -374,3 +454,6 @@ exit_interrupt:
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REGISTER_OLD:
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0
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REGISTER_OLD2:
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.byte 0,0,0,0,0,0,0,0,0,0,0,0,0,0
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33
dya/zp.inc
33
dya/zp.inc
@ -32,12 +32,29 @@ COLOR EQU $30
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; DOS33: Confirmed kills $68
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RWTSL EQU $60
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RWTSH EQU $61
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DOSBUFL EQU $62
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DOSBUFH EQU $63
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FILEML EQU $64
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FILEMH EQU $65
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REGISTER_DUMP2 EQU $60
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A_FINE_TONE2 EQU $60
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A_COARSE_TONE2 EQU $61
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B_FINE_TONE2 EQU $62
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B_COARSE_TONE2 EQU $63
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C_FINE_TONE2 EQU $64
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C_COARSE_TONE2 EQU $65
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NOISE2 EQU $66
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ENABLE2 EQU $67
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A_VOLUME2 EQU $68
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B_VOLUME2 EQU $69
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C_VOLUME2 EQU $6A
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ENVELOPE_FINE2 EQU $6B
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ENVELOPE_COARSE2 EQU $6C
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ENVELOPE_SHAPE2 EQU $6D
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;RWTSL EQU $60
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;RWTSH EQU $61
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;DOSBUFL EQU $62
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;DOSBUFH EQU $63
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;FILEML EQU $64
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;FILEMH EQU $65
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;TURNING EQU $60
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;SCREEN_X EQU $61 ; not used?
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;SCREEN_Y EQU $62
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@ -72,6 +89,8 @@ C_VOLUME EQU $7A
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ENVELOPE_FINE EQU $7B
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ENVELOPE_COARSE EQU $7C
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ENVELOPE_SHAPE EQU $7D
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COPY_OFFSET EQU $7E
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DECODER_STATE EQU $7F
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;SPACEY_I EQU $70
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@ -158,6 +177,8 @@ LASTKEY EQU $F1
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;XPOS EQU $F3
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;YPOS EQU $F4
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INL2 = $f4
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INH2 = $f5
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namlo = $f6
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namhi = $f7
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