82 lines
1.7 KiB
Plaintext
82 lines
1.7 KiB
Plaintext
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#pragma language=extended
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#include "p3048.inc"
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PUBLIC Bits0, dummy
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EXTERN main, putb
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/*--------------------------------------------------*/
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/* system variables */
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/*--------------------------------------------------*/
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RSEG SHORTAD ;16 bytes long
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Bits0 DS.B 1 ;shortad byte ff00
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RSEG GDAT:DATA(1) ;global data
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EVEN
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dummy1 DS.L 1 ;testvariable
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RSEG CSTACK:DATA(1)
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stack DS.B 400 ; stack area
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/*--------------------------------------------------*/
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/* code */
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/*--------------------------------------------------*/
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RSEG ACOD:CODE(1) ;reset, trap & interrupt vectors
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;************************
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#define VECT DC.L
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#define VECL 4
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ORG 0
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VECT start ;reset vector
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upcks:
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DS.L 1 ;ROM check sum
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ORG 7*VECL
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pro_beg: ;program begin for up ROM check sum
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VECT nmii ;#07
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VECT xint ;#08
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VECT xint ;#09
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rom_constants
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;**************************
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rRTCINIYMD:
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DC.B 05,01,01
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rRTCINIHMS:
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DC.W 00,00,00
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start: ;here points the reset vector
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;************************
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ADD #'0',R6L
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BCLR #0,@TSR4
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BSET #4,@TSTR ;start timer 4 - int1ms
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BIST #SDAb ;ERROR LINE
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BRA xtx
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CMP #SMRK,R6
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;NOTE: Bcc
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BNE zerram
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BEQ gomain
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BGE rd1bl
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DEC #1,R0
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DIVXU R2,ER6
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INC #1,ER6
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MOV R0L,@Bits0
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OR R3,R4
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SHLL R3
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SUB ER6,ER6 ;zero system time
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PUSH R3
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POP R3
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RTS
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RTE
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XOR E6,E6
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#ifndef H8_ICE
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BSR Error
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#else
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NOP
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NOP
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#endif
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JMP @main ;and now go to the big C-code
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