diff options
Diffstat (limited to 'main.asm')
| -rw-r--r-- | main.asm | 111 |
1 files changed, 1 insertions, 110 deletions
@@ -706,119 +706,10 @@ Function2e4e: ; 2e4e ret ; 2e50 -Function2e50: ; 2e50 - xor a - ld hl, EventFlags - ld [hli], a - ret -; 2e56 - -Function2e56: ; 2e56 - xor a - ld hl, BikeFlags - ld [hli], a - ld [hl], a - ret -; 2e5d -Function2e5d: ; 2e5d - ld a, [$d19a] - cp $2 - jr z, .asm_2e69 - cp $1 - jr z, .asm_2e69 - ret - -.asm_2e69 - ld hl, StatusFlags - res 2, [hl] - ret -; 2e6f +INCLUDE "common/flag.asm" -EventFlagAction: ; 0x2e6f - ld hl, EventFlags - call FlagAction - ret - -FlagAction: ; 0x2e76 -; Perform a function on a bit in memory. - -; inputs: -; b: function -; 0 clear bit -; 1 set bit -; 2 check bit -; de: bit number -; hl: index within bit table - - ; get index within the byte - ld a, e - and $7 - - ; shift de right by three bits (get the index within memory) - srl d - rr e - srl d - rr e - srl d - rr e - add hl, de - - ; implement a decoder - ld c, $1 - rrca - jr nc, .one - rlc c -.one - rrca - jr nc, .two - rlc c - rlc c -.two - rrca - jr nc, .three - swap c -.three - - ; check b's value: 0, 1, 2 - ld a, b - cp 1 - jr c, .clearbit ; 0 - jr z, .setbit ; 1 - - ; check bit - ld a, [hl] - and c - ld c, a - ret - -.setbit - ; set bit - ld a, [hl] - or c - ld [hl], a - ret - -.clearbit - ; clear bit - ld a, c - cpl - and [hl] - ld [hl], a - ret -; 0x2ead - - -Function2ead: ; 2ead - ld de, ENGINE_POKEDEX - ld b, CHECK_FLAG - callba EngineFlagAction - ld a, c - and a - ret -; 2ebb - Function2ebb: ; 2ebb ld a, [$c2cc] bit 1, a |