Changeset 27 for trunk/page00/boot.asm

Timestamp:

08/02/09 02:04:27 (3 years ago)

Author:

brandonlw

Message:

Now you can hold [X,T,theta,n] when booting to go to a "Select Boot OS" screen, where you choose to either boot OS2 or the TI-OS (if present)
It doesn't actually do anything of course, but you can look at a different screen now if you hold the key down. Progress...

Files:

• trunk/page00/boot.asm (modified) (3 diffs)

trunk/page00/boot.asm

@@ -10 +10 @@
  EXTERN Placeholder005Fh,Placeholder0006h,Placeholder004Eh,Placeholder0003h,Placeholder0035h
  EXTERN outputPage,NZIf83Plus,_ZERO_PORT_3,_OUT_PORT_3,AnimateRunIndicator,PowerOff
- EXTERN DispHexA,DispHexHL,IPutC,ReadKeyboardKey
+ EXTERN DispHexA,DispHexHL,IPutC,ReadKeyboardKey,ReadKeypad
  EXTERN curBlink,resetAPDTimer,UpdateAPD,BCALL,BJUMP
  EXTERN _HandleDefaultUSBInterrupt,_ReadUSBInterruptData,_HandleUSBInterruptInitialize
@@ -462 +462 @@
        set onRunning,(iy+onFlags)
 ;Start the OS, minimal as it is
+       res indicOnly,(iy+indicFlags)
+       call ReadKeypad
+       cp skGraphvar
+       jr z,StartBootLoader
        ld hl,0
        ld (appBackUpScreen+50),hl
@@ -530 +534 @@
        DB "This is a test!",0
 
+StartBootLoader:
+       ld hl,6
+       ld (curRow),hl
+       ld hl,sBoot
+       call PutS
+       jr TurnCalculatorOn
+sBoot: DB "Boot Loader",0
+