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itty-bitty-vtty
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csi wasn't resetting state at the end.

This commit is contained in:
Kelvin Sherlock 2021-09-25 13:57:27 -04:00
parent 121673badb
commit 7fbd54e791
1 changed files with 219 additions and 107 deletions
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326
vt100.csi.S
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@ -1,6 +1,6 @@
* lst off
lst off
cas se
rel
@ -30,8 +30,8 @@ vt100_csi ent
* a mis-placed < = > ? will prevent 0x20-0x2f from terminating the sequence.
inc state
inc state
ldx #st_vt100
stx state
stz pcount
stz parms
@ -40,9 +40,9 @@ vt100_csi ent
* tay ; save for modifier
cmp #:MIN
blt :end
blt :rts
cmp #:MAX+1
bge :end
bge :rts
sec
sbc #:MIN
asl
@ -50,9 +50,6 @@ vt100_csi ent
jmp (:table,x)
*
:end
ldx #st_vt100
stx state
:rts rts
@ -72,79 +69,90 @@ vt100_csi ent
dw :digit ; 9
dw digit ; :
dw semi
dw :rts ; <
dw :rts ; =
dw :rts ; >
dw :xmod ; <
dw :xmod ; =
dw :xmod ; >
dw :modifier ; ?
dw :end ; @
dw :rts ; @
dw csi_A ; A
dw csi_B ; B
dw csi_C ; C
dw csi_D ; D
dw :end ; E
dw :end ; F
dw :end ; G
dw :rts ; E
dw :rts ; F
dw :rts ; G
dw csi_H ; H
dw :end ; I
dw :rts ; I
dw csi_J ; J
dw csi_K ; K
dw :end ; L
dw :end ; M
dw :end ; N
dw :end ; O
dw :end ; P
dw :end ; Q
dw :end ; R
dw :end ; S
dw :end ; T
dw :end ; U
dw :end ; V
dw :end ; W
dw :end ; X
dw :end ; Y
dw :end ; Z
dw :end ; [
dw :end ; \
dw :end ; ]
dw :end ; ^
dw :end ; _
dw :end ; `
dw :end ; a
dw :end ; b
dw :rts ; L
dw :rts ; M
dw :rts ; N
dw :rts ; O
dw :rts ; P
dw :rts ; Q
dw :rts ; R
dw :rts ; S
dw :rts ; T
dw :rts ; U
dw :rts ; V
dw :rts ; W
dw :rts ; X
dw :rts ; Y
dw :rts ; Z
dw :rts ; [
dw :rts ; \
dw :rts ; ]
dw :rts ; ^
dw :rts ; _
dw :rts ; `
dw :rts ; a
dw :rts ; b
dw csi_c ; c
dw :end ; d
dw :end ; e
dw :rts ; d
dw :rts ; e
dw csi_f ; f
dw csi_g ; g
dw csi_h ; h
dw :end ; i
dw :end ; j
dw :end ; k
dw :rts ; i
dw :rts ; j
dw :rts ; k
dw csi_l ; l
dw csi_m ; m
dw csi_n ; n
dw :end ; o
dw :end ; p
dw :rts ; o
dw :rts ; p
dw csi_q ; q
dw csi_r ; r
dw :end ; s
dw :end ; t
dw :end ; u
dw :end ; v
dw :end ; w
dw :end ; x
dw :rts ; s
dw :rts ; t
dw :rts ; u
dw :rts ; v
dw :rts ; w
dw :rts ; x
dw csi_y ; y
:digit
ldx #st_vt100_csi_2
stx state
lsr ; undo asl
sta parms
rts
:modifier
ldx #st_vt100_csi_2
stx state
lda #$80
sta pmod
rts
:xmod
* ignored.
ldx #st_vt100_csi_2
stx state
rts
vt100_csi_bad ent
cmp #'@'
@ -158,23 +166,19 @@ vt100_csi_bad ent
vt100_csi_2 ent
debug vt100_csi_2
ldx #st_vt100
stx state
cmp #:MIN
blt :end
blt :rts
cmp #:MAX+1
bge :end
bge :rts
sec
sbc #:MIN
asl
tax
jmp (:table,x)
:badmod
cmp #'@'
blt :rts
:end
ldx #st_vt100
stx state
:rts rts
:MIN equ 48
@ -196,63 +200,63 @@ vt100_csi_2 ent
dw :modifier ; =
dw :modifier ; >
dw :modifier ; ?
dw :end ; @
dw :rts ; @
dw csi_A ; A
dw csi_B ; B
dw csi_C ; C
dw csi_D ; D
dw :end ; E
dw :end ; F
dw :end ; G
dw :rts ; E
dw :rts ; F
dw :rts ; G
dw csi_H ; H
dw :end ; I
dw :rts ; I
dw csi_J ; J
dw csi_K ; K
dw :end ; L
dw :end ; M
dw :end ; N
dw :end ; O
dw :end ; P
dw :end ; Q
dw :end ; R
dw :end ; S
dw :end ; T
dw :end ; U
dw :end ; V
dw :end ; W
dw :end ; X
dw :end ; Y
dw :end ; Z
dw :end ; [
dw :end ; \
dw :end ; ]
dw :end ; ^
dw :end ; _
dw :end ; `
dw :end ; a
dw :end ; b
dw :rts ; L
dw :rts ; M
dw :rts ; N
dw :rts ; O
dw :rts ; P
dw :rts ; Q
dw :rts ; R
dw :rts ; S
dw :rts ; T
dw :rts ; U
dw :rts ; V
dw :rts ; W
dw :rts ; X
dw :rts ; Y
dw :rts ; Z
dw :rts ; [
dw :rts ; \
dw :rts ; ]
dw :rts ; ^
dw :rts ; _
dw :rts ; `
dw :rts ; a
dw :rts ; b
dw csi_c ; c
dw :end ; d
dw :end ; e
dw :rts ; d
dw :rts ; e
dw csi_f ; f
dw csi_g ; g
dw csi_h ; h
dw :end ; i
dw :end ; j
dw :end ; k
dw :rts ; i
dw :rts ; j
dw :rts ; k
dw csi_l ; l
dw csi_m ; m
dw csi_n ; n
dw :end ; o
dw :end ; p
dw :rts ; o
dw :rts ; p
dw csi_q ; q
dw csi_r ; r
dw :end ; s
dw :end ; t
dw :end ; u
dw :end ; v
dw :end ; w
dw :end ; x
dw :rts ; s
dw :rts ; t
dw :rts ; u
dw :rts ; v
dw :rts ; w
dw :rts ; x
dw csi_y ; y
:modifier
@ -261,6 +265,9 @@ vt100_csi_2 ent
rts
semi
ldx #st_vt100_csi_2
stx state
ldx pcount
cpx #MAX_PCOUNT
bge :big
@ -273,6 +280,9 @@ semi
* parameter digit. clamped to 255 (250+ rounds up to 255)
* in 132 is the largest valid parameter so this is ok.
digit
ldx #st_vt100_csi_2
stx state
lsr ; undo asl
sta r0
ldx pcount
@ -296,9 +306,9 @@ digit
sta parms,x
rts
:mult da 0,10,20,30,40,50,60,70,80,90
da 100,110,120,130,140,150,160,170,180,190
da 200,210,220,230,240,250
:mult db 0,10,20,30,40,50,60,70,80,90
db 100,110,120,130,140,150,160,170,180,190
db 200,210,220,230,240,250
@ -475,12 +485,114 @@ csi_g
:3 jmp reset_all_tabs
p1 mac
lda parms
bne ok
lda #1
ok sta r0
<<<
* cursor movement.
csi_A
* up
* if cursor is outside the scrolling region, it is not locked to the scrolling region.
p1
lda y
cmp DECTM
beq :rts
bcc :simple
sec
sbc r0
bcc :top
cmp #DECTM
* bcc :top
* bra :sta
bcs :sta
:top lda DECTM
bra :sta
:rts rts
:simple
* lda y
sec
sbc r0
* bcc :0 ; clear indicate underflow.
bcc :sta
:0 lda #0
:sta sta y
jmp recalc_cursor_y
csi_B
* down
p1
lda y
cmp DECBM
beq :rts
bge :simple
clc
adc r0
bcs :bottom ; overflow
cmp #DECBM
bcc :sta
:bottom lda DECBM
bra :sta
:rts rts
:simple
clc
adc r0
bcs :23 ; overflow
cmp #24
bcc :sta
:23 lda #23
:sta sta y
jmp recalc_cursor_y
csi_C
* right
* TODO - what happens in column 80 w/ DECAWM?
p1
lda x
and #$7f
clc
adc r0
bcs :79 ; overflow
cmp #80
bcc :sta
:79 lda #79
:sta sta x
jmp recalc_cursor_x
csi_D
rts
* left
p1
lda x
and #$7f
sec
sbc r0
* bcc :0 ; underflow
bcs :sta
:0 lda #0
:sta sta x
jmp recalc_cursor_x
csi_f
csi_H ; direct cursor addressing
@ -533,7 +645,7 @@ csi_H ; direct cursor addressing
csi_r ; scrolling region
* based on testing
* esc [ n r (no second parmeter) is equivalent to esc [ n ; 24 r
* esc [ r sets scrolling region to 1 ; 24 ( in accordince with above )
* esc [ r sets scrolling region to 1 ; 24 ( in accordance with above )
* 24 is assumed value for second parameter
* invalid parameters exit without updating