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DeskTop: Fix for IIc+ drive issue. Fixes #25

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This commit is contained in:
Joshua Bell 2018-12-26 16:20:59 -08:00
parent 6677e169ac
commit 0bb1c8671a
3 changed files with 25 additions and 7 deletions
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14
RELEASE-NOTES.md
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@ -5,15 +5,15 @@
### Enhancements
* Current time shown on right side of menu bar, if system has a clock. (#7)
* Show Text File DA: Keyboard support. Escape quits, arrows scroll. (#4)
* Up to 12 Desk Accessories are shown in the menu. (#90)
* Up to 13 volumes are shown on the desktop. (#20)
* Up to 12 Desk Accessories are shown in the menu. (#90)
* Show Text File DA: Keyboard support. Escape quits, arrows scroll. (#4)
* Icon bitmap improvements. (#74)
### Additional Desk Accessories
* Show Image File
* Select an image file (8k Hires or 16k Double Hires, aux-first), then choose this DA to preview it.
* Select an image file (8k Hires or 16k Double Hires, aux-first), then choose DA to view it.
* This Apple
* Gives details about the computer, expanded memory, and what's in each slot. (#29)
* Eyes
@ -30,11 +30,13 @@
* Date DA: Read-only on systems with a clock. On systems without a clock, date is saved for next session. (#30, #39)
* Calculator DA: don't mis-paint when moved offscreen and other fixes. (#33, #34)
* Sort Directory DA: don't need to click before sorting. (#17)
* LC //e Card-specific: prevent crash. (#93)
* IIgs-specific: color DHR is re-enabled on exit. (#43)
* IIgs emulators no longer crash on startup. (#85)
* SELECTOR.LIST created if missing. (#92)
* Position desktop icons based on Slot/Drive assignment. (#94)
* Hardware/Emulator Specific:
* IIc Plus: don't spin slot 5 drives constantly. (Use Special > Check Drives) (#25)
* Macintosh LC IIe Option Card: prevent crash. (#93)
* IIgs: color DHR is re-enabled on exit. (#43)
* IIgs emulators no longer crash on startup. (#85)
# 1.1

15
desktop/desktop_main.s
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@ -672,6 +672,15 @@ next: dey
done: rts
append: lda DEVLST,y ; add it to the list
;; Don't issue STATUS calls to IIc Plus Slot 5 firmware, as it causes
;; the motor to spin. https://github.com/inexorabletash/a2d/issues/25
bit is_iic_plus_flag
bpl :+
and #%01110000 ; mask off slot
cmp #$50 ; is it slot 5?
beq next ; if so, ignore
: lda DEVLST,y
inx
sta removable_device_table,x
bne next ; always
@ -14759,7 +14768,11 @@ is_iie: copy #$96, machine_type ; IIe
jmp init_video
is_iic: copy #$FA, machine_type ; IIc
jmp init_video
lda $FBBF ; for IIc, ROM version
cmp #$05 ; IIc Plus?
bne :+
copy #$80, is_iic_plus_flag
: jmp init_video
.endproc
iigs_flag: ; High bit set if IIgs detected.

3
desktop/desktop_res.s
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@ -868,6 +868,9 @@ pos_clock:
str_clock:
PASCAL_STRING "00:00 XM "
is_iic_plus_flag:
.byte 0
PAD_TO $DB00
;;; ============================================================