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URL https://opencores.org/ocsvn/y80e/y80e/trunk

Subversion Repositories y80e

[/] [y80e/] [trunk/] [asm/] [int_ops.s] - Diff between revs 2 and 6

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Rev 2 Rev 6
Line 494... Line 494...
        exx
        exx
        push    bc
        push    bc
        push    de
        push    de
        push    hl
        push    hl
        exx
        exx
 
 
 
        di
 
        nop
 
        slp
 
        nop
 
 
 
        ld      hl,0d740h
 
        ei                      ;int next
 
        slp                     ;d633h @ ff30h
 
        rst     00h             ;not executed
 
 
 
        org     0d640h
 
        di
        ld      hl, 0100h
        ld      hl, 0100h
        jp 0c0h
        jp 0c0h
 
 
        org     0d6feh
        org     0d6feh
        nop                     ;int next
        nop                     ;int next
        xor     c               ;d700 @ ff96h
        xor     c               ;d700 @ ff96h
 
 
 
        org     0d740h
 
        di
 
        ld      hl,0d640h
 
        nop                     ;nmi next
 
        slp                     ;d747h @ ff2eh
 
        rst     00h
 
 
        org     0d7feh
        org     0d7feh
        nop                     ;nmi next
        nop                     ;nmi next
        xor     h               ;d800 @ ff8ch
        xor     h               ;d800 @ ff8ch
        nop
        nop
 
 
        org     0d8feh
        org     0d8feh
        nop                     ;int next
        nop                     ;int next
        adc     h               ;d900 @ ff82h
        adc     a,h             ;d900 @ ff82h
        nop
        nop
 
 
        org     0d9feh
        org     0d9feh
        nop                     ;nmi next
        nop                     ;nmi next
        sbc     h               ;da00 @ ff78h
        sbc     a,h             ;da00 @ ff78h
        nop
        nop
 
 
        org     0dafeh
        org     0dafeh
        nop                     ;int next
        nop                     ;int next
        adc     hl, hl  ;db00 @ ff6eh
        adc     hl, hl  ;db00 @ ff6eh
Line 536... Line 556...
        org     0ddfeh
        org     0ddfeh
        nop                     ;nmi next
        nop                     ;nmi next
        dec     hl              ;de00 @ ff50h
        dec     hl              ;de00 @ ff50h
        nop
        nop
 
 
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        end
 
 
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