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Make enum patterns more explicit (#1343)

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Sylvie
2024-03-09 14:55:17 -05:00
committed by GitHub
parent 5681be1fd8
commit 3323cb56fe
1 changed files with 3 additions and 3 deletions
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6
src/asm/parser.y
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@@ -88,10 +88,10 @@
enum { REG_BC_IND, REG_DE_IND, REG_HL_INDINC, REG_HL_INDDEC };
// LD/INC/ADD/DEC allow SP, PUSH/POP allow AF
enum { REG_BC = 0, REG_DE = 1, REG_HL = 2, REG_SP = 3, REG_AF = 3 };
// REG_AF == REG_SP since LD/INC/ADD/DEC allow SP, while PUSH/POP allow AF
enum { REG_BC, REG_DE, REG_HL, REG_SP, REG_AF = REG_SP };
// CC_NZ == CC_Z ^ 1, and CC_NC == CC_C ^ 1
// CC_NZ == CC_Z ^ 1, and CC_NC == CC_C ^ 1, so `!` can toggle them
enum { CC_NZ, CC_Z, CC_NC, CC_C };
}