Peter Boné megakode
megakode
/ StickyHeadersCollectionViewFlowLayout.m
Last active
September 20, 2022 10:06
— forked from randomsequence/StickyHeadersCollectionViewFlowLayout.m
A subclass of UICollectionViewFlowLayout which has UITableView style sticky headers.
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| // StickyHeadersCollectionViewFlowLayout | |
| // | |
| // A subclass of UICollectionViewFlowLayout which has UITableView style sticky headers. | |
| // | |
| // This code is based on Evadne Wu's code^1, with the following changes: | |
| // | |
| // * Fixes a crash for sections with zero items | |
| // * Adds support for UIScrollView's contentInset | |
| // * Adds support for UICollectionViewFlowLayout's sectionInset | |
| // |
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| // DAA | |
| // opcode: 0x27 | |
| // cycles: 4 | |
| // flags: Z H C | |
| void CPU::daa(){ | |
| if (!getFlag(FlagBitmaskN)) { // after an addition, adjust if (half-)carry occurred or if result is out of bounds | |
| if (getFlag(FlagBitmaskC) || regs.A > 0x99) { regs.A += 0x60; setFlag(FlagBitmaskC,true); } | |
| if (getFlag(FlagBitmaskHalfCarry) || (regs.A & 0x0f) > 0x09) { regs.A += 0x6; } |