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fastchip program now working
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mgcaret
parent
0f0c7d2c56
commit
9d87982ce6
94
fastchip.s
94
fastchip.s
@ -5,15 +5,17 @@
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;
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; options:
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; -l List speeds and exit
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; -e <num> Enable FastChip, 1 = on, 0 = off (sync)
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; -s <num> Set speed, 0-40, see -l for list of speed values
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; Setting speed to 0 (off) causes a reboot.
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; -p <str> Set slot speeds, slot numbers in str are set to fast, rest slow
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; To set all slow, use -p 0. Will not set Disk IIs to fast.
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; -a <num> Set audio (speaker) delay, 0-4 (Off/Fast/Normal/Music/Hifi)
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; -j <num> Set joystick delay, 0-2 (Off/Short/Long)
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; -b <num> Set backlight, 0-5 (Off/Fade/Speed/R/G/B)
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; -y Answer reboot y/n questions with yes
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;
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; Invalid values are silently ignored.
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; Invalid values are silently ignored. Settings that will cause a reboot
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; will be confirmed unless -y is given.
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;
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; No options: List current settings
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; %hend
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@ -55,12 +57,12 @@ prbyte = $fdda
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DX_info $01,$12,dx_cc_iie_or_iigs,$00
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DX_ptab
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DX_parm 'l',t_nil ; list speeds
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DX_parm 'e',t_int1 ; enable/disable
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DX_parm 's',t_int1 ; speed
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DX_parm 'p',t_string ; slot speeds
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DX_parm 'a',t_int1 ; speaker delay
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DX_parm 'j',t_int1 ; joystick delay
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DX_parm 'b',t_int1 ; backlight
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DX_parm 'y',t_nil ; force yes
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DX_end_ptab
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DX_desc "Control FastChip //e."
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DX_main
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@ -92,7 +94,7 @@ exiterr: lda #$ff
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jsr xmess
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asc_hi "No FastChip detected!"
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.byte $8d,$00
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; jmp exiterr ; comment out for basic emulator testing
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jmp exiterr ; comment out for basic emulator testing
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doit: lda #$00
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sta showall
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jsr try_all
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@ -106,7 +108,7 @@ doit: lda #$00
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php
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sei
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jsr fcunlock
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jsr try_state
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sta fcenable
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jsr try_speed
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jsr try_slots
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jsr try_speaker
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@ -117,36 +119,27 @@ doit: lda #$00
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rts
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.endproc
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.proc try_state
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lda #'e'|$80
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jsr xgetparm_ch
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bcs done
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cpy #$02 ; too big?
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bcs done
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cpy #$01
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bne :+ ; want disable
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lda #$01
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sta fcenable ; enable
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bne diddone
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: lda #$01 ; anything but $a6 or $6a
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sta fcbase ; disable
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diddone: jsr show_state
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inc showall
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done: rts
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.endproc
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.proc try_speed
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lda #'s'|$80
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jsr xgetparm_ch
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bcs done
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cpy #0
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beq disable
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cpy #41 ; too big?
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bcs done
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lda #CFG_SPEED
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doset: lda #CFG_SPEED
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sta fcregnum ; config reg
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sty fcregval ; value
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jsr show_speed
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noset: jsr show_speed
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inc showall
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done: rts
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disable: lda #'y'|$80
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jsr xgetparm_ch
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bcc :+
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jsr ask_reboot
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beq noset
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: ldy #0
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beq doset
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.endproc
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.proc try_slots
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@ -245,10 +238,15 @@ done: rts
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; Show all current settings
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.proc show_all
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jsr xmess
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asc_hi "FastChip //e"
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.byte $8d
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asc_hi "------------"
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.byte $8d,$00
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php
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sei
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jsr fcunlock
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jsr show_state
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sta fcenable
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jsr show_speed
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jsr show_slots
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jsr show_speaker
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@ -261,20 +259,6 @@ done: rts
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rts
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.endproc
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.proc show_state
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jsr xmess
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asc_hi "FastChip: "
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.byte $00
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lda fcenable
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rol
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rol
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and #$01
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jsr pr_onoff
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lda #$8d
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jsr cout
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rts
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.endproc
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.proc show_speed
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jsr xmess
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asc_hi "Speed: "
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@ -489,10 +473,8 @@ lp: jsr cout ; myidx reloaded at end of loop
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.proc fcdetect
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php
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sei
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jsr fcunlock
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lda fcenable ; current state
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php ; save it (S flag)
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sta fcenable ; enable FC
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jsr fcunlock ; unlock
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sta fcenable ; enable FC registers
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lda fcenable ; now see if it's there
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bpl notfound ; bit 7 set if present and enabled
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ldy fcspeed ; speed reg
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@ -508,16 +490,11 @@ lp: jsr cout ; myidx reloaded at end of loop
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cpy fcregval ; config register data, saved speed
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bne notfound ; no match, no fastchip
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; at this point we have a high degree of confidence that FC is there
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plp ; get initial state
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bpl setslow ; was it disabled?
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bmi found
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setslow: sta fcbase ; a=0 from above; disable it
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found: jsr fclock ; lock it back up
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jsr fclock ; lock it back up
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plp ; restore IRQs
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clc ; indicate found
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rts
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notfound: plp ; clean stack
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plp ; restore IRQs
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notfound: plp ; restore IRQs
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sec ; indicate not found
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rts
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.endproc
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@ -618,6 +595,21 @@ spdtab: .byte 0,0,0,2,0,3
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.byte 12,5,16,6
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.endproc
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.proc ask_reboot
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lda #$01
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jsr xredirect
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jsr xmess
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asc_hi "Apply setting and reboot"
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.byte $00
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lda #'n'|$80
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jsr xyesno2
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php
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lda #$ff
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jsr xredirect
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plp ; restore z flag
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rts
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.endproc
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.proc pr_err
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jsr xmess
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asc_hi "Err!"
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