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DeskTop Seg 1: A2D dispatch and params

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This commit is contained in:
Joshua Bell 2017-10-06 09:09:43 -07:00
parent 75edccd667
commit f6a009feda
2 changed files with 136 additions and 109 deletions
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1
desk.acc/a2d.inc
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@ -124,7 +124,6 @@ A2D_SET_POS := $0E ; Start of subsequent DRAW_TEXT, DRAW_LINE
;; .word ycoord
A2D_DRAW_LINE := $0F ; Draw line (from SET_POS)
;; $0F used in puzzle
;; (input length 4 bytes)
;; .word xdelta signed, delta in pixels
;; .word ydelta

244
desktop/s1_aux1.s
View File

@ -23,6 +23,7 @@ LD2D0 := $D2D0
;;; ==================================================
;;; A2D
.proc a2d_dispatch
.assert * = $4000, error, "A2D entry point must be at $4000"
lda LOWSCR
@ -77,32 +78,39 @@ adjust_stack: ; Adjust stack to account for params
sta $81
pla
sta $80
ldy param_lengths+1,x ; Check param length...
bpl L4076
txa
pha
tya
;; Param length format is a byte pair;
;; * first byte is ZP address to copy bytes to
;; * second byte's high bit is "hide cursor" flag
;; * rest of second byte is # bytes to copy
ldy param_lengths+1,x ; Check param length...
bpl done_hiding
txa ; if high bit was set, stash
pha ; registers and $80 and then
tya ; optionally hide cursor
pha
lda $80
pha
lda $81
pha
bit L633F
bpl L406A
bit hide_cursor_flag
bpl :+
jsr hide_cursor
L406A: pla
: pla
sta $81
pla
sta $80
pla
and #$7F
and #$7F ; clear high bit in length count
tay
pla
tax
L4076: lda param_lengths,x
beq jump
done_hiding:
lda param_lengths,x ; ZP offset for params
beq jump ; nothing to copy
sta store+1
dey
: lda ($80),y
@ -112,11 +120,13 @@ store: sta $FF,y ; self modified
jump: jsr $FFFF ; the actual call
L408A: bit L633F
bpl L4092
;; Exposed for routines to call directly
cleanup:
bit hide_cursor_flag
bpl :+
jsr show_cursor
L4092: bit preserve_zp_flag
: bit preserve_zp_flag
bpl exit_with_0
jsr copy_params_from_zp
ldx #$0B
@ -134,14 +144,15 @@ L4092: bit preserve_zp_flag
exit_with_0:
lda #0
jt_rts: rts
rts1: rts
.endproc
;;; ==================================================
;;; Routines can jmp here to exit with A set
a2d_exit_with_a:
pha
jsr L408A
jsr a2d_dispatch::cleanup
pla
ldx stack_ptr_stash
txs
@ -191,6 +202,8 @@ hide_cursor_count:
;;; ==================================================
;;; Jump table for A2D entry point calls
jt_rts := a2d_dispatch::rts1
a2d_jump_table:
.addr jt_rts ; $00
.addr L5E51 ; $01
@ -273,88 +286,96 @@ a2d_jump_table:
.addr L7D69 ; $4E
;; Entry point param lengths
;; Byte pairs; first is length ??, second is offset ??
;; (length, ZP destination, hide cursor flag)
param_lengths:
.byte $00,$00
.byte $00,$00
.byte $82,$01
.byte $00,$00
.byte $D0,$24
.byte $00,$00
.byte $D0,$10
.byte $F0,$01
.byte $E0,$08
.byte $E8,$02
.byte $EE,$02
.byte $00,$00
.byte $F1,$01
.byte $A1,$04
.byte $EA,$04
.byte $A1,$84
.byte $92,$84
.byte $92,$88
.byte $9F,$88
.byte $92,$08
.byte $8A,$10
.byte $00,$80
.byte $00,$80
.byte $00,$00
.byte $A1,$03
.byte $A1,$83
.byte $82,$01
.byte $82,$01
.byte $00,$00
.byte $82,$0C
.byte $00,$00
.byte $82,$03
.byte $82,$02
.byte $82,$02
.byte $82,$01
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $00,$00
.byte $82,$05
.byte $82,$01
.byte $82,$04
.byte $00,$00
.byte $00,$00
.byte $C7,$04
.byte $C7,$01
.byte $C7,$02
.byte $C7,$03
.byte $C7,$03
.byte $C7,$04
.byte $00,$00
.byte $82,$01
.byte $00,$00
.byte $82,$01
.byte $82,$03
.byte $82,$02
.byte $82,$01
.byte $82,$01
.byte $EA,$04
.byte $00,$00
.byte $82,$01
.byte $00,$00
.byte $82,$05
.byte $82,$05
.byte $82,$05
.byte $82,$05
.byte $EA,$04
.byte $82,$03
.byte $82,$05
.byte $8C,$03
.byte $8C,$02
.byte $8A,$10
.byte $82,$02
.macro PARAM_DEFN length, zp, cursor
.byte zp, (length | (cursor << 7))
.endmacro
PARAM_DEFN 0, $00, 0 ; call $00
PARAM_DEFN 0, $00, 0 ; call $01
PARAM_DEFN 1, $82, 0 ; call $02
PARAM_DEFN 0, $00, 0 ; call $03
PARAM_DEFN 36, $D0, 0 ; call $04
PARAM_DEFN 0, $00, 0 ; call $05
PARAM_DEFN 16, $D0, 0 ; call $06
PARAM_DEFN 1, $F0, 0 ; call $07
PARAM_DEFN 8, $E0, 0 ; call $08
PARAM_DEFN 2, $E8, 0 ; call $09
PARAM_DEFN 2, $EE, 0 ; call $0A
PARAM_DEFN 0, $00, 0 ; call $0B
PARAM_DEFN 1, $F1, 0 ; call $0C
PARAM_DEFN 4, $A1, 0 ; call $0D
PARAM_DEFN 4, $EA, 0 ; call $0E
PARAM_DEFN 4, $A1, 1 ; call $0F
PARAM_DEFN 4, $92, 1 ; call $10
PARAM_DEFN 8, $92, 1 ; call $11
PARAM_DEFN 8, $9F, 1 ; call $12
PARAM_DEFN 8, $92, 0 ; call $13
PARAM_DEFN 16, $8A, 0 ; call $14
PARAM_DEFN 0, $00, 1 ; call $15
PARAM_DEFN 0, $00, 1 ; call $16
PARAM_DEFN 0, $00, 0 ; call $17
PARAM_DEFN 3, $A1, 0 ; call $18
PARAM_DEFN 3, $A1, 1 ; call $19
PARAM_DEFN 1, $82, 0 ; call $1A
PARAM_DEFN 1, $82, 0 ; call $1B
PARAM_DEFN 0, $00, 0 ; call $1C
PARAM_DEFN 12, $82, 0 ; call $1D
PARAM_DEFN 0, $00, 0 ; call $1E
PARAM_DEFN 3, $82, 0 ; call $1F
PARAM_DEFN 2, $82, 0 ; call $20
PARAM_DEFN 2, $82, 0 ; call $21
PARAM_DEFN 1, $82, 0 ; call $22
PARAM_DEFN 0, $00, 0 ; call $23
PARAM_DEFN 0, $00, 0 ; call $24
PARAM_DEFN 0, $00, 0 ; call $25
PARAM_DEFN 0, $00, 0 ; call $26
PARAM_DEFN 0, $00, 0 ; call $27
PARAM_DEFN 0, $00, 0 ; call $28
PARAM_DEFN 0, $00, 0 ; call $29
PARAM_DEFN 0, $00, 0 ; call $2A
PARAM_DEFN 0, $00, 0 ; call $2B
PARAM_DEFN 0, $00, 0 ; call $2C
PARAM_DEFN 5, $82, 0 ; call $2D
PARAM_DEFN 1, $82, 0 ; call $2E
PARAM_DEFN 4, $82, 0 ; call $2F
PARAM_DEFN 0, $00, 0 ; call $30
PARAM_DEFN 0, $00, 0 ; call $31
PARAM_DEFN 4, $C7, 0 ; call $32
PARAM_DEFN 1, $C7, 0 ; call $33
PARAM_DEFN 2, $C7, 0 ; call $34
PARAM_DEFN 3, $C7, 0 ; call $35
PARAM_DEFN 3, $C7, 0 ; call $36
PARAM_DEFN 4, $C7, 0 ; call $37
PARAM_DEFN 0, $00, 0 ; call $38
PARAM_DEFN 1, $82, 0 ; call $39
PARAM_DEFN 0, $00, 0 ; call $3A
PARAM_DEFN 1, $82, 0 ; call $3B
PARAM_DEFN 3, $82, 0 ; call $3C
PARAM_DEFN 2, $82, 0 ; call $3D
PARAM_DEFN 1, $82, 0 ; call $3E
PARAM_DEFN 1, $82, 0 ; call $3F
PARAM_DEFN 4, $EA, 0 ; call $40
PARAM_DEFN 0, $00, 0 ; call $41
PARAM_DEFN 1, $82, 0 ; call $42
PARAM_DEFN 0, $00, 0 ; call $43
PARAM_DEFN 5, $82, 0 ; call $44
PARAM_DEFN 5, $82, 0 ; call $45
PARAM_DEFN 5, $82, 0 ; call $46
PARAM_DEFN 5, $82, 0 ; call $47
PARAM_DEFN 4, $EA, 0 ; call $48
PARAM_DEFN 3, $82, 0 ; call $49
PARAM_DEFN 5, $82, 0 ; call $4A
PARAM_DEFN 3, $8C, 0 ; call $4B
PARAM_DEFN 2, $8C, 0 ; call $4C
PARAM_DEFN 16, $8A, 0 ; call $4D
PARAM_DEFN 2, $82, 0 ; call $4E
;;; ==================================================
;; ???
L4221: .byte $00,$02,$04,$06,$08,$0A,$0C,$0E
.byte $10,$12,$14,$16,$18,$1A,$1C,$1E
.byte $20,$22,$24,$26,$28,$2A,$2C,$2E
@ -615,6 +636,8 @@ L499D: .byte $05,$06,$00,$01,$02,$03,$04,$05
.byte $06,$00,$01,$02,$03,$04,$05,$06
.byte $00,$01,$02,$03
;;; ==================================================
hires_table_lo:
.byte $00,$00,$00,$00,$00,$00,$00,$00
.byte $80,$80,$80,$80,$80,$80,$80,$80
@ -667,6 +690,8 @@ hires_table_hi:
.byte $03,$07,$0B,$0F,$13,$17,$1B,$1F
.byte $03,$07,$0B,$0F,$13,$17,$1B,$1F
;;; ==================================================
L4BA1: lda ($84),y
eor ($8E),y
eor $F6
@ -2467,7 +2492,7 @@ L58CC: .byte $00,$00,$00,$00,$00,$00,$00,$00
MEASURE_TEXT_IMPL:
jsr L58E8
ldy #$03
ldy #3 ; Store result (X,A) at params+3
sta ($80),y
txa
iny
@ -3183,7 +3208,7 @@ L5EB4:
jsr copy_params_from_zp
lda $F4
ldx $F5
L5EBB: ldy #$00
L5EBB: ldy #0 ; Store result (X,A) at params
L5EBD: sta ($80),y
txa
iny
@ -3193,7 +3218,7 @@ L5EBD: sta ($80),y
;;; ==================================================
QUERY_SCREEN_IMPL:
ldy #$23
ldy #35 ; Store 35 bytes at params
L5EC6: lda L5F1E,y
sta ($80),y
dey
@ -3208,7 +3233,7 @@ CONFIGURE_ZP_IMPL:
beq L5ECE
sta preserve_zp_flag
bcc L5ECE
jmp L408A
jmp a2d_dispatch::cleanup
;;; ==================================================
@ -3240,7 +3265,7 @@ L5F01: lda L0000,x
;;; ==================================================
L5F0A:
ldy #$05
ldy #5 ; Store 5 bytes at params
L5F0C: lda L5F15,y
sta ($80),y
dey
@ -3690,7 +3715,10 @@ L633B: .byte $00
L633C: .byte $00
L633D: .byte $00
L633E: .byte $00
L633F: .byte $00
hide_cursor_flag:
.byte 0
L6340: .byte $00
;;; ==================================================
@ -3779,7 +3807,7 @@ L63E5: lda L6338
L63F6: stx L6338
lda #$80
sta L633F
sta hide_cursor_flag
lda L6338
bne L640D
bit L6339
@ -3881,7 +3909,7 @@ L64C7: lda L6340
pha
plp
lda #$00
sta L633F
sta hide_cursor_flag
rts
;;; ==================================================
@ -4054,12 +4082,12 @@ L65E7: bcs L6604
bcc L65F0
sta L6752
L65F0: tax
ldy #$00
ldy #0 ; Store 5 bytes at params
L65F3: lda L6754,x
sta ($80),y
inx
iny
cpy #$04
cpy #4
bne L65F3
lda #$00
sta ($80),y
@ -4109,8 +4137,8 @@ L6645: lda #$00
bit L5FFC
bpl L664E
lda #$04
L664E: ldy #$00
sta ($80),y
L664E: ldy #0
sta ($80),y ; Store 2 bytes at params
iny
L6653: lda L5FF3,y
sta ($80),y