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sn76489: added configuration entry SN76489CHNOUT to direct to only to one channel or both

master
Dean Netherton 2 years ago
parent
890dd1cd5e
commit
39232f00f1
23 changed files with 40 additions and 7 deletions
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  1. 1
      Source/HBIOS/cfg_duo.asm
  2. 1
      Source/HBIOS/cfg_dyno.asm
  3. 1
      Source/HBIOS/cfg_epitx.asm
  4. 1
      Source/HBIOS/cfg_heath.asm
  5. 1
      Source/HBIOS/cfg_master.asm
  6. 1
      Source/HBIOS/cfg_mbc.asm
  7. 1
      Source/HBIOS/cfg_mk4.asm
  8. 1
      Source/HBIOS/cfg_mon.asm
  9. 1
      Source/HBIOS/cfg_n8.asm
  10. 1
      Source/HBIOS/cfg_nabu.asm
  11. 1
      Source/HBIOS/cfg_rcez80.asm
  12. 1
      Source/HBIOS/cfg_rcz180.asm
  13. 1
      Source/HBIOS/cfg_rcz280.asm
  14. 1
      Source/HBIOS/cfg_rcz80.asm
  15. 1
      Source/HBIOS/cfg_rph.asm
  16. 1
      Source/HBIOS/cfg_s100.asm
  17. 1
      Source/HBIOS/cfg_sbc.asm
  18. 1
      Source/HBIOS/cfg_scz180.asm
  19. 1
      Source/HBIOS/cfg_z80retro.asm
  20. 1
      Source/HBIOS/cfg_zeta.asm
  21. 1
      Source/HBIOS/cfg_zeta2.asm
  22. 20
      Source/HBIOS/sn76489.asm
  23. 6
      Source/HBIOS/std.asm

1
Source/HBIOS/cfg_duo.asm
View File

@ -306,6 +306,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
UFBASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_DUO ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM|DUO]

1
Source/HBIOS/cfg_dyno.asm
View File

@ -285,6 +285,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_NONE ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_epitx.asm
View File

@ -317,6 +317,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_heath.asm
View File

@ -310,6 +310,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_master.asm
View File

@ -377,6 +377,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
UFBASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_NONE ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_mbc.asm
View File

@ -293,6 +293,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
UFBASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_NONE ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_mk4.asm
View File

@ -289,6 +289,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
UFBASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_VGM ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_mon.asm
View File

@ -315,6 +315,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_n8.asm
View File

@ -282,6 +282,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
FIFO_BASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_VGM ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_nabu.asm
View File

@ -320,6 +320,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_rcez80.asm
View File

@ -336,6 +336,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_LEFT ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_rcz180.asm
View File

@ -321,6 +321,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_rcz280.asm
View File

@ -325,6 +325,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_rcz80.asm
View File

@ -320,6 +320,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_rph.asm
View File

@ -271,6 +271,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
FIFO_BASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_NONE ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_s100.asm
View File

@ -305,6 +305,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_sbc.asm
View File

@ -271,6 +271,7 @@ UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
UFBASE .EQU $0C ; UF: REGISTERS BASE ADR
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_VGM ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_scz180.asm
View File

@ -315,6 +315,7 @@ PIO_SBC .EQU FALSE ; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN: ENABLE SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AUDIOTRACE .EQU FALSE ; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
SN7CLK .EQU 3579545 ; SN: PSG CLOCK FREQ, ASSUME MSX STD
SNMODE .EQU SNMODE_RC ; SN: DRIVER MODE: SNMODE_[NONE|RC|VGM]

1
Source/HBIOS/cfg_z80retro.asm
View File

@ -239,6 +239,7 @@ PIOSBASE .EQU $60 ; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AY38910ENABLE .EQU FALSE ; AY: AY-3-8910 / YM2149 SOUND DRIVER
SPKENABLE .EQU FALSE ; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
;

1
Source/HBIOS/cfg_zeta.asm
View File

@ -210,6 +210,7 @@ PIOSBASE .EQU $60 ; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AY38910ENABLE .EQU FALSE ; AY: AY-3-8910 / YM2149 SOUND DRIVER
SPKENABLE .EQU FALSE ; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
;

1
Source/HBIOS/cfg_zeta2.asm
View File

@ -221,6 +221,7 @@ PIOSBASE .EQU $60 ; PIO: PIO REGISTERS BASE ADR FOR SBC PPI
UFENABLE .EQU FALSE ; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
;
SN76489ENABLE .EQU FALSE ; SN76489 SOUND DRIVER
SN76489CHNOUT .EQU SNCHAN_BOTH ; SN: CHANNEL OUTPUTS: SNCHAN_[BOTH|LEFT|RIGHT]
AY38910ENABLE .EQU FALSE ; AY: AY-3-8910 / YM2149 SOUND DRIVER
SPKENABLE .EQU FALSE ; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
;

20
Source/HBIOS/sn76489.asm
View File

@ -48,7 +48,7 @@ SN76489_PORT16_RIGHT .EQU (IO_SEGMENT*256) + SN76489_PORT_RIGHT
; For CPU @ ~18Mhz, the eZ80 must have at least 4 Bus Cycles for I/O operations
; For CPU @ ~24Mhz, the eZ80 must have at least 5 Bus Cycles for I/O operations
SN76489_IO_DELAY .EQU 15 ; 200us DELAY BETWEEN CHANNEL WRITES
SN76489_IO_DELAY .EQU 5 ; 200us DELAY BETWEEN CHANNEL WRITES
#ENDIF
DEVECHO ", IO_LEFT="
@ -116,7 +116,6 @@ SN7_VOLUME_OFF:
OUT (RTCIO),A ; TO HALF CLOCK SPEED
#ENDIF
LD A, CHANNEL_0_SILENT
LD BC, SN76489_PORT16_LEFT
EZ80_DELAY_START(SN76489_IO_DELAY, SN7_DELAY_COUNTER)
@ -313,10 +312,13 @@ SN7_APPLY_VOL: ; APPLY VOLUME TO BOTH LEFT AND RIGHT CHANNELS
LD BC, SN76489_PORT16_LEFT
EZ80_DELAY_WAIT(SN76489_IO_DELAY, SN7_DELAY_COUNTER)
#IF ((SN76489CHNOUT == SNCHAN_BOTH) | (SN76489CHNOUT == SNCHAN_LEFT))
OUT (C), A
#ENDIF
#IF ((SN76489CHNOUT == SNCHAN_BOTH) | (SN76489CHNOUT == SNCHAN_RIGHT))
LD BC, SN76489_PORT16_RIGHT
OUT (C), A
#ENDIF
#IFDEF SBCV2004
LD A,(HB_RTCVAL)
@ -363,10 +365,13 @@ SN7_APPLY_PRD:
LD BC, SN76489_PORT16_LEFT
EZ80_DELAY_WAIT(SN76489_IO_DELAY, SN7_DELAY_COUNTER)
#IF ((SN76489CHNOUT == SNCHAN_BOTH) | (SN76489CHNOUT == SNCHAN_LEFT))
OUT (C), A
#ENDIF
#IF ((SN76489CHNOUT == SNCHAN_BOTH) | (SN76489CHNOUT == SNCHAN_RIGHT))
LD BC, SN76489_PORT16_RIGHT
OUT (C), A
#ENDIF
#IFDEF SBCV2004
LD A,(HB_RTCVAL)
@ -402,14 +407,15 @@ SN7_APPLY_PRD:
POP AF
#ENDIF
EZ80_DELAY_WAIT(SN76489_IO_DELAY, SN7_DELAY_COUNTER)
LD BC, SN76489_PORT16_LEFT
EZ80_DELAY_WAIT(SN76489_IO_DELAY, SN7_DELAY_COUNTER)
#IF ((SN76489CHNOUT == SNCHAN_BOTH) | (SN76489CHNOUT == SNCHAN_LEFT))
OUT (C), A
#ENDIF
#IF ((SN76489CHNOUT == SNCHAN_BOTH) | (SN76489CHNOUT == SNCHAN_RIGHT))
LD BC, SN76489_PORT16_RIGHT
OUT (C), A
#ENDIF
#IFDEF SBCV2004
LD A,(HB_RTCVAL)

6
Source/HBIOS/std.asm
View File

@ -242,6 +242,12 @@ SNMODE_RC .EQU 1 ; RCBUS SOUND MODULE
SNMODE_VGM .EQU 2 ; VGM ECB BOARD
SNMODE_DUO .EQU 3 ; DUODYNE MEDIA-IO BOARD
;
; SN SOUND MODULE CHANNEL SELECTION
;
SNCHAN_BOTH .EQU 0 ; BOTH LEFT & RIGHT CHANNELS GET SAME OUTPUT
SNCHAN_LEFT .EQU 1 ; LEFT CHANNEL ONLY
SNCHAN_RIGHT .EQU 2 ; RIGHT CHANNEL ONLY
;
; TMS VIDEO MODE SELECTIONS
;
TMSMODE_NONE .EQU 0

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