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Added meta info display to vcs_music.l65 sample.
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g012
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e5ead7c8f3
commit
716e053244
@ -14,6 +14,7 @@ script:
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- ../l65 vcs_flush.l65
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- ../l65 vcs_hello.l65
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- ../l65 vcs_hooks.l65
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- ../l65 vcs_music.l65
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- ../l65 vcs_spr48.l65
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- cd ..
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- cp l65 l65-$TRAVIS_TAG-$TRAVIS_OS_NAME
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@ -4,7 +4,7 @@ mappers['2K']()
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local AUDC0s = 0x90
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local AUDC1s, AUDF0s, AUDF1s, AUDV0s, AUDV1s = AUDC0s+1, AUDC0s+2, AUDC0s+3, AUDC0s+4, AUDC0s+5
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local vubars = 0xA0
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local tmp = 0xF0
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local tmp = 0xB0
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local zic_filename = 'Ishtar.ttt'
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local zic = ttt(zic_filename)
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@ -224,6 +224,97 @@ local function zic_init()
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if zic.c1init ~= 0 then lda#zic.c1init sta tt.cur_pat_index_c1 end
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end
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----------------------------------------------------------------------
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-- display song name and author
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----------------------------------------------------------------------
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section{ "font", align=256 } dc.b
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,-- <SPC>
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0x18,0x3c,0x66,0x7e,0x66,0x66,0x66,0x00,-- A
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0x7c,0x66,0x66,0x7c,0x66,0x66,0x7c,0x00,-- B
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0x3c,0x66,0x60,0x60,0x60,0x66,0x3c,0x00,-- C
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0x78,0x6c,0x66,0x66,0x66,0x6c,0x78,0x00,-- D
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0x7e,0x60,0x60,0x78,0x60,0x60,0x7e,0x00,-- E
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0x7e,0x60,0x60,0x78,0x60,0x60,0x60,0x00,-- F
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0x3c,0x66,0x60,0x6e,0x66,0x66,0x3c,0x00,-- G
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0x66,0x66,0x66,0x7e,0x66,0x66,0x66,0x00,-- H
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0x3c,0x18,0x18,0x18,0x18,0x18,0x3c,0x00,-- I
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0x1e,0x0c,0x0c,0x0c,0x0c,0x6c,0x38,0x00,-- J
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0x66,0x6c,0x78,0x70,0x78,0x6c,0x66,0x00,-- K
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0x60,0x60,0x60,0x60,0x60,0x60,0x7e,0x00,-- L
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0x63,0x77,0x7f,0x6b,0x63,0x63,0x63,0x00,-- M
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0x66,0x76,0x7e,0x7e,0x6e,0x66,0x66,0x00,-- N
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0x3c,0x66,0x66,0x66,0x66,0x66,0x3c,0x00,-- O
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0x7c,0x66,0x66,0x7c,0x60,0x60,0x60,0x00,-- P
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0x3c,0x66,0x66,0x66,0x66,0x3c,0x0e,0x00,-- Q
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0x7c,0x66,0x66,0x7c,0x78,0x6c,0x66,0x00,-- R
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0x3c,0x66,0x60,0x3c,0x06,0x66,0x3c,0x00,-- S
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0x7e,0x18,0x18,0x18,0x18,0x18,0x18,0x00,-- T
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0x66,0x66,0x66,0x66,0x66,0x66,0x3c,0x00,-- U
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0x66,0x66,0x66,0x66,0x66,0x3c,0x18,0x00,-- V
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0x63,0x63,0x63,0x6b,0x7f,0x77,0x63,0x00,-- W
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0x66,0x66,0x3c,0x18,0x3c,0x66,0x66,0x00,-- X
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0x66,0x66,0x66,0x3c,0x18,0x18,0x18,0x00,-- Y
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0x7e,0x06,0x0c,0x18,0x30,0x60,0x7e,0x00 -- Z
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charset(" abcdefghijklmnopqrstuvwxyz", \x(x*8))
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local normtxt = function(txt)
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txt = txt:lower()
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local out = {}
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for i=1,#txt do
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local c = string.byte(txt:sub(i,i))
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if c < string.byte('a') or c > string.byte('z') then c = string.byte(' ') end
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table.insert(out, string.char(c))
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end
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local ex = 12 - #out
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for i=1,ex do
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if i&1 ~= 0 then table.insert(out, 1, ' ')
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else table.insert(out, ' ')
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end
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end
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return table.concat(out)
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end
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@@song_name byte(normtxt(zic.name))
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@@song_author byte(normtxt(zic.author))
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local print_txt = tmp+1 -- text pointer, can cross
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local print_line_count=tmp -- number of lines to print
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local print_ptr = tmp+3 -- array of pointers to the characters
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-- a = line count
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@@print12
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sta print_line_count
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lda#6 sta NUSIZ0 sta NUSIZ1
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-- set MSB of font character addresses
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lda#font>>8 ldx#23 @_loadfont sta print_ptr,x dex dex bpl _loadfont
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-- position sprites
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samepage
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sta WSYNC
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ldx#6 @_delay dex bne _delay
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sta RESP0 nop sta RESP1 lda#0x70 sta HMP0 lda#0x60 sta HMP1 sta WSYNC sta HMOVE
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end
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@_loop
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-- load text line
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ldx#0 ldy#0 @_loadline lda (print_txt),y sta print_ptr,x inx inx iny cpy#12 bne _loadline
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lda#0x80 sta HMP0 sta HMP1
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ldy#0 samepage @_printline
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sta WSYNC sta HMOVE
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-- first scanline
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lda (print_ptr+2),y sta GRP0 lda (print_ptr+6),y sta GRP1
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lda (print_ptr+22),y tax sleep(6)
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lda (print_ptr+10),y sta GRP0 lda (print_ptr+14),y sta GRP1 lda (print_ptr+18),y sta GRP0 stx GRP1
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sta HMCLR sleep(8) sta HMOVE
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-- second scanline
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lda (print_ptr),y sta GRP0 lda (print_ptr+4),y sta GRP1
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lda (print_ptr+20),y tax lda#0x80 sta HMP0 sta HMP1 nop
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lda (print_ptr+8),y sta GRP0 lda (print_ptr+12),y sta GRP1 lda (print_ptr+16),y sta GRP0 stx GRP1
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iny cpy#8 bne _printline
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end
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dec print_line_count beq _end
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lda print_txt clc adc#12 sta print_txt lda print_txt+1 adc#0 sta print_txt+1
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jmp _loop
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@_end
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lda#0 sta GRP0 sta GRP1
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rts
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----------------------------------------------------------------------
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-- equalizer anim
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@ -264,16 +355,16 @@ end
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local vumeter_tick = function()
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lda #0 ldy #15 @_vudec ldx vubars,y dex bmi _vudecskip stx vubars,y @_vudecskip dey bpl _vudec
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lda AUDF0s ldy AUDC0s ora wavlen,y tax ldy regfreq,x
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lda AUDV0s cmp vubars,y bmi _vuless0 sta vubars,y @_vuless0
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lda AUDV0s cmp vubars,y bcc _vuless0 sta vubars,y @_vuless0
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lda AUDF1s ldy AUDC1s ora wavlen,y tax ldy regfreq,x
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lda AUDV1s cmp vubars+8,y bmi _vuless1 sta vubars+8,y @_vuless1
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lda AUDV1s cmp vubars+8,y bcc _vuless1 sta vubars+8,y @_vuless1
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end
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local vumeter_draw = function()
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lda #ctrlpf.PF_MIRRORED sta CTRLPF
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ldy #7
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@_vudraw
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samepage
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lda #21 sta tmp
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lda #16 sta tmp
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@_vudraw1
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sta WSYNC
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lda vm_col,y sta COLUPF sleep(4)
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@ -295,14 +386,26 @@ end
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local tick = function()
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zic_tick()
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-- clamp to valid TIA range
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lda AUDC0s ;and #0x0f sta AUDC0s lda AUDC1s ;and #0x0f sta AUDC1s
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lda AUDF0s ;and #0x1f sta AUDF0s lda AUDF1s ;and #0x1f sta AUDF1s
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lda AUDV0s ;and #0x0f sta AUDV0s lda AUDV1s ;and #0x0f sta AUDV1s
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vumeter_tick()
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end
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local kernel = function()
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lda#0x8a sta COLUP0 sta COLUP1
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setptr(song_author,print_txt) lda#1 jsr print12
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vumeter_draw()
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lda#0xaa sta COLUP0 sta COLUP1
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setptr(song_name,print_txt) lda#1 jsr print12
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end
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@@main
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init()
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zic_init()
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@_frame
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overscan() vblank(tick) screen(vumeter_draw) jmp _frame
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overscan() vblank(tick) screen(kernel) jmp _frame
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; -- needed if last instruction is implied
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writebin(filename..'.bin')
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