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pt3_lib: make more similar to the cycle-counting version

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This commit is contained in:
Vince Weaver 2019-12-28 23:51:12 -05:00
parent d77e4da2de
commit 8e5bf611a9
4 changed files with 62 additions and 42 deletions
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52
pt3_lib/pt3_lib_mockingboard_setup.s
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@ -113,47 +113,57 @@ write_ay_both:
; address ; address
write_ay_smc1: write_ay_smc1:
stx MOCK_6522_ORA1 ; put address on PA1 ; 3 stx MOCK_6522_ORA1 ; put address on PA1 ; 4
stx MOCK_6522_ORA2 ; put address on PA2 ; 3 stx MOCK_6522_ORA2 ; put address on PA2 ; 4
lda #MOCK_AY_LATCH_ADDR ; latch_address on PB1 ; 2 lda #MOCK_AY_LATCH_ADDR ; latch_address on PB1 ; 2
write_ay_smc2: write_ay_smc2:
sta MOCK_6522_ORB1 ; latch_address on PB1 ; 3 sta MOCK_6522_ORB1 ; latch_address on PB1 ; 4
sta MOCK_6522_ORB2 ; latch_address on PB2 ; 3 sta MOCK_6522_ORB2 ; latch_address on PB2 ; 4
ldy #MOCK_AY_INACTIVE ; go inactive ; 2 ldy #MOCK_AY_INACTIVE ; go inactive ; 2
write_ay_smc3: write_ay_smc3:
sty MOCK_6522_ORB1 ; 3 sty MOCK_6522_ORB1 ; 4
sty MOCK_6522_ORB2 ; 3 sty MOCK_6522_ORB2 ; 4
;===========
; 28
; value ; value
lda MB_VALUE ; 3 lda MB_VALUE ; 3
write_ay_smc4: write_ay_smc4:
sta MOCK_6522_ORA1 ; put value on PA1 ; 3 sta MOCK_6522_ORA1 ; put value on PA1 ; 4
sta MOCK_6522_ORA2 ; put value on PA2 ; 3 sta MOCK_6522_ORA2 ; put value on PA2 ; 4
lda #MOCK_AY_WRITE ; ; 2 lda #MOCK_AY_WRITE ; ; 2
write_ay_smc5: write_ay_smc5:
sta MOCK_6522_ORB1 ; write on PB1 ; 3 sta MOCK_6522_ORB1 ; write on PB1 ; 4
sta MOCK_6522_ORB2 ; write on PB2 ; 3 sta MOCK_6522_ORB2 ; write on PB2 ; 4
write_ay_smc6: write_ay_smc6:
sty MOCK_6522_ORB1 ; 3 sty MOCK_6522_ORB1 ; 4
sty MOCK_6522_ORB2 ; 3 sty MOCK_6522_ORB2 ; 4
;===========
; 29
rts ; 6 rts ; 6
;=========== ;===========
; 51 ; 63
write_ay_both_end:
;.assert >write_ay_both = >write_ay_both_end, error, "write_ay_both crosses page"
;======================================= ;=======================================
; clear ay -- clear all 14 AY registers ; clear ay -- clear all 14 AY registers
; should silence the card ; should silence the card
;======================================= ;=======================================
; 7+(74*14)+5=1048
clear_ay_both: clear_ay_both:
ldx #14 ldx #13 ; 2
lda #0 lda #0 ; 2
sta MB_VALUE sta MB_VALUE ; 3
clear_ay_left_loop: clear_ay_left_loop:
jsr write_ay_both jsr write_ay_both ; 6+63
dex dex ; 2
bpl clear_ay_left_loop bpl clear_ay_left_loop ; 3
rts ; -1
rts ; 6
clear_ay_end:
;.assert >clear_ay_both = >clear_ay_end, error, "clear_ay_both crosses page"
;============================= ;=============================
; Setup ; Setup

52
pt3_player/pt3_lib_mockingboard_setup.s
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@ -113,47 +113,57 @@ write_ay_both:
; address ; address
write_ay_smc1: write_ay_smc1:
stx MOCK_6522_ORA1 ; put address on PA1 ; 3 stx MOCK_6522_ORA1 ; put address on PA1 ; 4
stx MOCK_6522_ORA2 ; put address on PA2 ; 3 stx MOCK_6522_ORA2 ; put address on PA2 ; 4
lda #MOCK_AY_LATCH_ADDR ; latch_address on PB1 ; 2 lda #MOCK_AY_LATCH_ADDR ; latch_address on PB1 ; 2
write_ay_smc2: write_ay_smc2:
sta MOCK_6522_ORB1 ; latch_address on PB1 ; 3 sta MOCK_6522_ORB1 ; latch_address on PB1 ; 4
sta MOCK_6522_ORB2 ; latch_address on PB2 ; 3 sta MOCK_6522_ORB2 ; latch_address on PB2 ; 4
ldy #MOCK_AY_INACTIVE ; go inactive ; 2 ldy #MOCK_AY_INACTIVE ; go inactive ; 2
write_ay_smc3: write_ay_smc3:
sty MOCK_6522_ORB1 ; 3 sty MOCK_6522_ORB1 ; 4
sty MOCK_6522_ORB2 ; 3 sty MOCK_6522_ORB2 ; 4
;===========
; 28
; value ; value
lda MB_VALUE ; 3 lda MB_VALUE ; 3
write_ay_smc4: write_ay_smc4:
sta MOCK_6522_ORA1 ; put value on PA1 ; 3 sta MOCK_6522_ORA1 ; put value on PA1 ; 4
sta MOCK_6522_ORA2 ; put value on PA2 ; 3 sta MOCK_6522_ORA2 ; put value on PA2 ; 4
lda #MOCK_AY_WRITE ; ; 2 lda #MOCK_AY_WRITE ; ; 2
write_ay_smc5: write_ay_smc5:
sta MOCK_6522_ORB1 ; write on PB1 ; 3 sta MOCK_6522_ORB1 ; write on PB1 ; 4
sta MOCK_6522_ORB2 ; write on PB2 ; 3 sta MOCK_6522_ORB2 ; write on PB2 ; 4
write_ay_smc6: write_ay_smc6:
sty MOCK_6522_ORB1 ; 3 sty MOCK_6522_ORB1 ; 4
sty MOCK_6522_ORB2 ; 3 sty MOCK_6522_ORB2 ; 4
;===========
; 29
rts ; 6 rts ; 6
;=========== ;===========
; 51 ; 63
write_ay_both_end:
;.assert >write_ay_both = >write_ay_both_end, error, "write_ay_both crosses page"
;======================================= ;=======================================
; clear ay -- clear all 14 AY registers ; clear ay -- clear all 14 AY registers
; should silence the card ; should silence the card
;======================================= ;=======================================
; 7+(74*14)+5=1048
clear_ay_both: clear_ay_both:
ldx #14 ldx #13 ; 2
lda #0 lda #0 ; 2
sta MB_VALUE sta MB_VALUE ; 3
clear_ay_left_loop: clear_ay_left_loop:
jsr write_ay_both jsr write_ay_both ; 6+63
dex dex ; 2
bpl clear_ay_left_loop bpl clear_ay_left_loop ; 3
rts ; -1
rts ; 6
clear_ay_end:
;.assert >clear_ay_both = >clear_ay_end, error, "clear_ay_both crosses page"
;============================= ;=============================
; Setup ; Setup

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pt3_player/pt3_player.dsk
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0
xmas_2019/pt3_lib_mockingboard.s → xmas_2019/pt3_lib_mockingboard_setup.s
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