mirror of
https://github.com/a2stuff/IIcSystemClock.git
synced 2024-12-27 16:31:14 +00:00
disasm wip
This commit is contained in:
Joshua Bell
parent
b4e57c6fdd
commit
c4a69301e8
140
clock.system.s
140
clock.system.s
@ -32,7 +32,7 @@ kErrDiskWriteProtected = $2B
|
||||
mach_type := $07 ; 0 = IIc, 1 = II+/IIe
|
||||
case_mask := $08 ; mask with chars before COUT
|
||||
has_80col := $09 ; 1 = has 80 column card
|
||||
month := $0A ; month from current date
|
||||
month := $0A ; month from current date ???
|
||||
msg_num := $0B ; stashed message number
|
||||
|
||||
digits_buffer := $200 ; temporary usage during clock read
|
||||
@ -51,12 +51,12 @@ PORT2_ACIA_STATUS := $C0A9
|
||||
PORT2_ACIA_COMMAND := $C0AA
|
||||
PORT2_ACIA_CONTROL := $C0AB
|
||||
|
||||
;;; Actually registers for a clock card of some sort
|
||||
DISXY := $C058
|
||||
ENBXY := $C059
|
||||
X0EDGE1 := $C05C
|
||||
X0EDGE2 := $C05D
|
||||
|
||||
MOUSE_BTN := $C063
|
||||
MOUSE_BTN := $C063
|
||||
|
||||
kClockRoutineMaxLength = 125 ; Per ProDOS 8 TRM
|
||||
|
||||
@ -79,7 +79,7 @@ L2000:
|
||||
cmp #kIIcVersionByte
|
||||
bne L2013
|
||||
|
||||
sta L239E + (L1272 - L1000) ; In relocated code
|
||||
sta L239E + (L1272 - Chain) ; In relocated code
|
||||
lda #kPatchedDelay
|
||||
sta Patch0_delay
|
||||
sta Patch2_delay
|
||||
@ -129,14 +129,15 @@ is_iic: sty mach_type
|
||||
|
||||
;; Convert spaces to newlines if 40 Columns
|
||||
lda #CR|$80
|
||||
sta chain + (wrap1 - L1000)
|
||||
sta chain + (wrap4 - L1000)
|
||||
sta chain + (wrap5 - L1000)
|
||||
sta chain + (wrap3 - L1000)
|
||||
sta chain + (wrap2 - L1000)
|
||||
sta chain + (wrap1 - Chain)
|
||||
sta chain + (wrap4 - Chain)
|
||||
sta chain + (wrap5 - Chain)
|
||||
sta chain + (wrap3 - Chain)
|
||||
sta chain + (wrap2 - Chain)
|
||||
|
||||
inc L2095
|
||||
inc L2099
|
||||
;; Adjust everything down a line
|
||||
inc wndtop
|
||||
inc wndbtm
|
||||
bne :+
|
||||
|
||||
init_80_col:
|
||||
@ -163,7 +164,7 @@ loop:
|
||||
:
|
||||
|
||||
write_msb := * + 2
|
||||
sta L1000,y
|
||||
sta Chain,y
|
||||
iny
|
||||
bne loop
|
||||
|
||||
@ -178,12 +179,13 @@ loop:
|
||||
L208F: ldy #MessageCode::kInstall
|
||||
jsr ShowMessage
|
||||
|
||||
L2095 := * + 1
|
||||
ldy #$03
|
||||
sty $22
|
||||
L2099 := * + 1
|
||||
ldy #$05
|
||||
sty $23
|
||||
wndtop := * + 1
|
||||
ldy #3
|
||||
sty WNDTOP
|
||||
|
||||
wndbtm := * + 1
|
||||
ldy #5
|
||||
sty WNDBTM
|
||||
|
||||
jsr SetPrefixAndGetFileInfo
|
||||
|
||||
@ -221,27 +223,28 @@ assign: and #%01110000 ; slot
|
||||
ora #$80
|
||||
sta Patch1_firmware_byte ; Set $C0nn address
|
||||
.endscope
|
||||
;; --------------------------------------------------
|
||||
|
||||
lda L11FE
|
||||
and #$03
|
||||
beq select_patch ; apply patch2 if IIc, patch1 otherwise
|
||||
cmp #$02
|
||||
bcs L20FE
|
||||
lda mach_type
|
||||
bne not_iic ; apply Patch3
|
||||
beq L20FE ; always
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
|
||||
kPatchLength = $38
|
||||
;;; Select and apply patch
|
||||
|
||||
;;; Patch0 - (default) SSC in either Slot 1 or Slot 2
|
||||
;;; Patch1 - otherwise
|
||||
;;; Patch2 - for mach_type = IIc; SSC in Slot 2, COMMAND not restored
|
||||
;;; Patch3
|
||||
;;; Patch2 - IIc; SSC in Slot 2, COMMAND not restored
|
||||
;;; Patch3 -
|
||||
|
||||
select_patch:
|
||||
kPatchLength = $38
|
||||
|
||||
lda flags
|
||||
and #%00000011
|
||||
beq select2 ; apply Patch2 if IIc, Patch1 otherwise
|
||||
cmp #%00000010
|
||||
bcs check_time_maybe_install ; no patch
|
||||
lda mach_type
|
||||
bne not_iic ; apply Patch3
|
||||
beq check_time_maybe_install ; always
|
||||
|
||||
select2:
|
||||
ldy #Patch2 - Patches
|
||||
lda mach_type
|
||||
beq apply_patch ; if IIc
|
||||
@ -261,10 +264,13 @@ apply_patch:
|
||||
cpx #kPatchLength
|
||||
bne :-
|
||||
|
||||
;;
|
||||
L20FE: lda #2
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Compute time and install clock driver
|
||||
|
||||
check_time_maybe_install:
|
||||
lda #2
|
||||
sta tries
|
||||
: jsr CalcMonthValidateDateTime
|
||||
: jsr InvokeDriverValidateDateTime
|
||||
bcs L2111
|
||||
dec tries
|
||||
bpl :-
|
||||
@ -287,11 +293,11 @@ L2110: .byte 0
|
||||
iny ; <PORT1_ACIA_COMMAND
|
||||
sty Patch0_acia_command_patch1
|
||||
sty Patch0_acia_command_patch2
|
||||
lda L11FE
|
||||
and #$03
|
||||
beq L20FE
|
||||
lda flags
|
||||
and #%00000011
|
||||
beq check_time_maybe_install
|
||||
sty Patch0_acia_command_patch3
|
||||
bne L20FE
|
||||
bne check_time_maybe_install
|
||||
|
||||
skip: ldy #MessageCode::kNoClock
|
||||
sty msg_num
|
||||
@ -300,7 +306,7 @@ skip: ldy #MessageCode::kNoClock
|
||||
bcc no_clock ; Bit 0 = 0 means no clock card
|
||||
|
||||
jsr MON_HOME
|
||||
jmp L1000
|
||||
jmp Chain
|
||||
|
||||
no_clock:
|
||||
lda #0
|
||||
@ -327,7 +333,7 @@ install_clock:
|
||||
lda month
|
||||
cmp #11
|
||||
bcc :+
|
||||
bit L11FE
|
||||
bit flags
|
||||
bpl :+
|
||||
sta $1204
|
||||
: lda $1204
|
||||
@ -343,10 +349,12 @@ install_clock:
|
||||
bcs L21DF
|
||||
|
||||
skip: bit KBDSTRB
|
||||
rol L11FE
|
||||
|
||||
;; Set high bit of flags to (month >= 3) ???
|
||||
rol flags
|
||||
lda #3
|
||||
cmp month
|
||||
ror L11FE
|
||||
ror flags
|
||||
|
||||
;; --------------------------------------------------
|
||||
;; Show current year prompt
|
||||
@ -420,7 +428,7 @@ install_ptr := * + 1
|
||||
lda ROMIN2 ; Bank ROM back in
|
||||
|
||||
;; Chain
|
||||
jmp L1000
|
||||
jmp Chain
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Convert year from BCD
|
||||
@ -473,9 +481,11 @@ install_ptr := * + 1
|
||||
.endproc
|
||||
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Returns with carry set if date is not valid.
|
||||
;;; Invoke the driver, then verify that the result is a valid
|
||||
;;; date/time.
|
||||
;;; Output: Carry clear if valid, set otherwise.
|
||||
|
||||
.proc CalcMonthValidateDateTime
|
||||
.proc InvokeDriverValidateDateTime
|
||||
jsr InvokeDriver
|
||||
|
||||
;; Check month
|
||||
@ -516,10 +526,9 @@ Driver: cld
|
||||
php
|
||||
sei
|
||||
|
||||
patch_target:
|
||||
;; --------------------------------------------------
|
||||
;; Patch applied from here...
|
||||
patch_target:
|
||||
|
||||
.proc Patch0
|
||||
|
||||
acia_command_patch1 := * + 1
|
||||
@ -872,12 +881,12 @@ L239E:
|
||||
;; Relocated to $1000
|
||||
|
||||
;;; ============================================================
|
||||
;;; Chaining code???
|
||||
;;; Chain to next .SYSTEM file
|
||||
;;; ============================================================
|
||||
|
||||
.org $1000
|
||||
|
||||
.proc L1000
|
||||
.proc Chain
|
||||
|
||||
entry_ptr := $00
|
||||
entry_length := $02
|
||||
@ -944,12 +953,12 @@ L1053: lda $05
|
||||
lda msg_num
|
||||
cmp #$07
|
||||
beq L1070
|
||||
ldy #$03
|
||||
jsr L10E5
|
||||
ldy #MessageCode::kIIc
|
||||
jsr MaybeAddSeikoToMessage
|
||||
|
||||
lda mach_type
|
||||
beq :+
|
||||
iny
|
||||
iny ; k(Seiko)IIc --> k(Seiko)IIe
|
||||
: jsr ShowMessage
|
||||
|
||||
L1070: ldy #MessageCode::kRunning
|
||||
@ -1014,12 +1023,12 @@ next_entry:
|
||||
sta entry_ptr+1
|
||||
L10E2: jmp entries_loop
|
||||
|
||||
;;; ???
|
||||
.proc L10E5
|
||||
lda L11FE
|
||||
and #$03
|
||||
|
||||
.proc MaybeAddSeikoToMessage
|
||||
lda flags
|
||||
and #%00000011
|
||||
bne :+
|
||||
ldy #$09
|
||||
ldy #MessageCode::kSeikoIIc
|
||||
: rts
|
||||
.endproc
|
||||
|
||||
@ -1169,7 +1178,7 @@ retry:
|
||||
bne loop
|
||||
lda #OPC_RTS
|
||||
sta DATETIME
|
||||
jmp L1000
|
||||
jmp Chain
|
||||
|
||||
loop: jmp loop ; Infinite loop!
|
||||
.endproc
|
||||
@ -1247,8 +1256,17 @@ file_info_params:
|
||||
;;; ------------------------------------------------------------
|
||||
;;; Misc variables
|
||||
|
||||
L11FE: .byte 0 ; ???
|
||||
bcd_year: .byte 0 ; 2-digit (shared)
|
||||
|
||||
;;; bit 0/1: 00 - if IIc => Patch2, else => Patch1
|
||||
;;; 01 - if IIc => Patch0, else => Patch3
|
||||
;;; 10 - Patch0
|
||||
;;; 11 - Patch0
|
||||
;;; ...
|
||||
;;; bit 7
|
||||
flags: .byte 0
|
||||
|
||||
bcd_year:
|
||||
.byte 0 ; 2-digit (shared)
|
||||
|
||||
L1200:
|
||||
;; buffer for variables, filename
|
||||
|
||||
Loading…
Reference in New Issue
Block a user