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testbed.asm
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testbed.asm
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;******************************************************************
; 6502 BBC Micro Compressed VGM (VGC) Music Player
; By Simon Morris
; https://github.com/simondotm/vgm-player-bbc
; https://github.com/simondotm/vgm-packer
;******************************************************************
; Allocate vars in ZP
.zp_start
ORG &70
GUARD &8f
;----------------------------------------------------------------------------------------------------------
; Common code headers
;----------------------------------------------------------------------------------------------------------
; Include common code headers here - these can declare ZP vars from the pool using SKIP...
INCLUDE "lib/vgcplayer_config.h.asm"
INCLUDE "lib/vgcplayer.h.asm"
INCLUDE "lib/exomiser.h.asm"
.zp_end
\ ******************************************************************
\ * Utility code - always memory resident
\ ******************************************************************
ORG &3000
GUARD &7c00
.vgc_test_start
;----------------------------
;-------------------------------------------
; main VGC TEST
;-------------------------------------------
ALIGN 256
.performance_test
{
; initialize the vgm player with a vgc data stream
lda #hi(vgm_stream_buffers)
ldx #lo(vgm_data)
ldy #hi(vgm_data)
clc ; clear carry to disable looping
jsr vgm_init
.loop
jsr vgm_update
pha
inc vgc_test_counter+0
bne nohi
inc vgc_test_counter+1
.nohi
pla
beq loop
lda #67:jsr&ffee
lda vgc_test_counter+0
sta &70
lda vgc_test_counter+1
sta &71
rts
}
.vgc_test_counter EQUW 0
ALIGN 256
.decode_bytes
; initialize the vgm player with a vgc data stream
lda #hi(vgm_stream_buffers)
ldx #lo(vgm_data)
ldy #hi(vgm_data)
clc ; clear carry to disable looping
jsr vgm_init
rts
ALIGN 256
.decode_update
jsr vgm_update
pha
lda vgm_fx + 0
sta decoded_data + 0
lda vgm_fx + 1
sta decoded_data + 1
lda vgm_fx + 2
sta decoded_data + 2
lda vgm_fx + 3
sta decoded_data + 3
lda vgm_fx + 4
sta decoded_data + 4
lda vgm_fx + 5
sta decoded_data + 5
lda vgm_fx + 6
sta decoded_data + 6
lda vgm_fx + 7
sta decoded_data + 7
lda vgm_fx + 8
sta decoded_data + 8
lda vgm_fx + 9
sta decoded_data + 9
lda vgm_fx + 10
sta decoded_data + 10
pla
rts
ALIGN 256
.decoded_data
SKIP 11
.decode_bytes_end
.performance_test_end
.vgm_buffer_start
; reserve space for the vgm decode buffers (8x256 = 2Kb)
ALIGN 256
.vgm_stream_buffers
skip 256
skip 256
skip 256
skip 256
skip 256
skip 256
skip 256
skip 256
.vgm_buffer_end
; include your tune of choice here, some samples provided....
.vgm_data
INCBIN "music/vgc/song_091.vgc"
;INCBIN "music/vgc/axelf.vgc"
;INCBIN "music/vgc/bbcapple.vgc"
;INCBIN "music/vgc/nd-ui.vgc"
;INCBIN "music/vgc/outruneu.vgc"
;INCBIN "music/vgc/ym_009.vgc"
;INCBIN "music/vgc/test_bbc.vgc"
;INCBIN "music/vgc/acid_demo.vgc"
; code routines
INCLUDE "lib/vgcplayer.asm"
.vgc_test_end
PRINT ~vgm_data
PRINT "PERFORMANCE TEST = ", ~performance_test
PRINT "DECODE INIT = ", ~decode_bytes
PRINT "DECODE UPDATE = ", ~decode_update
PRINT "DECODE DATA = ", ~decoded_data
SAVE "VGCTEST", vgc_test_start, vgc_test_end, performance_test
PUTBASIC "basic/dump.bas", "DUMP"
PUTBASIC "basic/perftest.bas", "TEST"
;-------------------------------------------
; main VGM TEST
;-------------------------------------------
CLEAR &3000, &7C00
ORG &3000
.vgm_test_start
.vgm_test_main
{
LDX #LO(vgm_test_data)
LDY #HI(vgm_test_data)
JSR vgm_init_stream
.loop
jsr vgm_poll_player
LDA vgm_player_ended ; non zero if true
pha
inc vgm_test_counter+0
bne nohi
inc vgm_test_counter+1
.nohi
pla
beq loop
lda #67:jsr&ffee
lda vgm_test_counter+0
sta &70
lda vgm_test_counter+1
sta &71
rts
}
.vgm_test_counter EQUW 0
INCLUDE "lib/exomiser.asm"
INCLUDE "lib/vgmplayer.asm"
.vgm_test_data
INCBIN "music/vgm_out/Chris Kelly - SMS Power 15th Anniversary Competitions - Collision Chaos.bin.exo"
;PUTFILE "music/vgm_out/BotB 16433 Slimeball - Fluid Dynamics.bin.exo", "V.FLUID", &3000, &3000
;PUTFILE "music/vgm_out/ne7-magic_beansmaster_system_psg.bin.exo", "V.MAGIC", &3000, &3000
;PUTFILE "music/vgm_out/Chris Kelly - SMS Power 15th Anniversary Competitions - Collision Chaos.bin.exo", "V.CHAOS", &3000, &3000
.vgm_test_end
SAVE "VGMTEST", vgm_test_start, vgm_test_end, vgm_test_main
PRINT "Vgm Player Size = ", (vgm_player_end-vgm_player_start)
PRINT "Exo Compressor Size = ", (exo_end-exo_start)