Difference between revisions of "Z80 Routines:Memory:ldHLind"
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| − | [[Category:Z80 Routines:Memory| | + | [[Category:Z80 Routines:Memory|LdHLind]][[Category:Z80 Routines|LdHLind]] |
This a substitute to the useful bcall(_ldHLind). | This a substitute to the useful bcall(_ldHLind). | ||
| Line 7: | Line 7: | ||
;ouput: hl = (hl) | ;ouput: hl = (hl) | ||
;destroy a only | ;destroy a only | ||
| − | + | ldHLind: | |
ld a,(hl) | ld a,(hl) | ||
inc hl | inc hl | ||
| Line 16: | Line 16: | ||
;same as above but | ;same as above but | ||
;destroy de | ;destroy de | ||
| − | + | ldHLind2: | |
ld e,(hl) | ld e,(hl) | ||
inc hl | inc hl | ||
| Line 24: | Line 24: | ||
== Comments == | == Comments == | ||
| − | Use depends on situation. The first is more general because doesn't use | + | Use depends on situation. The first is more general because doesn't use an important pair register de. |
But the second has great use when you still need hl preserved. | But the second has great use when you still need hl preserved. | ||
Latest revision as of 01:28, 1 November 2009
This a substitute to the useful bcall(_ldHLind).
;input: hl = pointer to memory ;ouput: hl = (hl) ;destroy a only ldHLind: ld a,(hl) inc hl ld h,(hl) ld l,a ret ;same as above but ;destroy de ldHLind2: ld e,(hl) inc hl ld d,(hl) ex de,hl ret
Comments
Use depends on situation. The first is more general because doesn't use an important pair register de. But the second has great use when you still need hl preserved.
