Difference between revisions of "Copy console GROMs for HSGPL"

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(Created page with " ************************************* * * HGPLNEW: FLASHES THE HSGPL GROM * 0-2 FROM THE BACKUP * * USES THE MODIFIED GROM0 * * MICHAEL ZAPF,...")
 
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This file is also available in [[TIFILES format]]. You can import that file to a disk image on the PC using [https://www.mizapf.de/ti99/timt TIImageTool] or on the TI using a terminal emulator program with XModem transfer (e.g. [[TELCO]]).
=== Downloads ===
* [[media:Cpgrom.s.tfi | Source file CPGROM_S]]
* Assembled [[media:Cpgrom.o.tfi | object code file CPGROM_O]], loadable and runnable by option 3 in E/A
=== Listing ===
  *************************************
  *************************************
  *
  *
  *  HGPLNEW: FLASHES THE HSGPL GROM
  *  CPGROM:   FLASHES THE HSGPL GROM
  *            0-2 FROM THE BACKUP
  *            0-2 FROM THE BACKUP
  *
  *
Line 58: Line 67:
         AI  R0,256
         AI  R0,256
    
    
         LI  R8,1000
         LI  R8,2000
  WAIT  DEC  R8
  WAIT  DEC  R8
         JNE  WAIT
         JNE  WAIT

Latest revision as of 19:39, 30 May 2019

This file is also available in TIFILES format. You can import that file to a disk image on the PC using TIImageTool or on the TI using a terminal emulator program with XModem transfer (e.g. TELCO).

Downloads

Listing

*************************************
*
*  CPGROM:   FLASHES THE HSGPL GROM
*            0-2 FROM THE BACKUP
*
*            USES THE MODIFIED GROM0
*
*      MICHAEL ZAPF, JUNE 2010
*
***
       DEF  START

START  LI   R12,>1B00
       SBO  0
       SBO  9
       SBO  10
       CLR  R0
       LI   R2,>2000
       LI   R1,>A000
       BL   @COPY
       LI   R1,>C000
       LI   R0,>2000
       BL   @COPY
       LI   R1,>E000
       LI   R0,>4000
       BL   @COPY
       SBZ  10
       SBZ  9
       SBZ  0
       BLWP @>0000
 
COPY   MOV  R11,R9
       MOVB R1,@>9C02
       SWPB R1
       MOVB R1,@>9C02
       SWPB R1
       MOV  R2,R3
       LI   R6,>C000
 
* COPY INTO RAM
LOOP   MOVB @>9840,*R6+
       DEC  R3
       JNE  LOOP
       MOV  R2,R3
 
       LI   R6,>C000
LOOP1  LI   R7,256
       BL   @SDPEA
       MOVB R0,@>9C02
       SWPB R0
       MOVB R0,@>9C02
       SWPB R0
 
LOOP2  MOVB *R6+,@>9C00
       DEC  R3
       DEC  R7
       JNE  LOOP2
       AI   R0,256
 
       LI   R8,2000
WAIT   DEC  R8
       JNE  WAIT
       MOV  R3,R3
       JNE  LOOP1
 
       B    *R9
 
SDPEA  MOV  R11,R10
       BL   @CFI
       DATA >5555,>AA00
       BL   @CFI
       DATA >2AAA,>5500
       BL   @CFI
       DATA >5555,>A000
       B    *R10
 
* DO THE CFI DANCE!
 
CFI    MOV  *R11+,R4
       MOV  *R11+,R5
       MOVB R4,@>9C02
       SWPB R4
       MOVB R4,@>9C02
       NOP
       MOVB R5,@>9C00
       RT
  
       END  START
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