OpenCores
URL https://opencores.org/ocsvn/light8080/light8080/trunk

Subversion Repositories light8080

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  • This comparison shows the changes necessary to convert path
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    from Rev 4 to Rev 5
    Reverse comparison

Rev 4 → Rev 5

/trunk/ucode/light8080.m80
66,8 → 66,8
__reset
 
NOP ; NOP
NOP ; _pl = AND ; // T1 & T2 = 0x00
NOP ; _ph = AND ; // T1 & T2 = 0x00
NOP ; _pl = AND ; // T1 & T2 = 0x00
NOP ; _ph = AND ; // T1 & T2 = 0x00
 
// FETCH ucode: from 3 to 6
// (executed in INTA cycles too, with pc increment inhibited to preserve PC)
367,7 → 367,7
__asm INR M
 
JSR read_m
NOP ; DO = ADC ; #auxcy, #fp_r
NOP ; DO = ADC ; #auxcy, #setacy, #fp_r
JSR write_m
 
 

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