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| author | IIMarckus <iimarckus@gmail.com> | 2010-11-19 23:22:13 -0700 |
|---|---|---|
| committer | IIMarckus <iimarckus@gmail.com> | 2010-11-19 23:22:13 -0700 |
| commit | d0c027be62b6ce19fc301b9b0c2921d1dc014c2e (patch) | |
| tree | 5f8960cd7043bb405af1bd0125bf991236d68452 | |
| parent | 9b5a97afc21438fffcfbd5e92b45b24b66deb280 (diff) | |
add the conserve battery delay function
hg-commit-id: db4f8980a3ec
| -rw-r--r-- | pokered.asm | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/pokered.asm b/pokered.asm index 9228162b..5e3d70d0 100644 --- a/pokered.asm +++ b/pokered.asm @@ -337,7 +337,24 @@ incbin "baserom.gbc",$39E,$1627 - $39E .GotBank\@ jp $24FD -INCBIN "baserom.gbc",$1665,$2442 - $1665 +INCBIN "baserom.gbc",$1665,$20AF - $1665 + +ConserveBattery: ; 20AF +; loads 1 into $FFD6 and returns when $FFD6 == 0 +; delays by halting to conserve battery power +; XXX what zeroes $FFD6? + ld a,1 + ld [$FFD6],a +.halt\@ + db $76 ; XXX this is a hack--rgbasm adds a nop after this instr + ; even when ints are enabled + ld a,[$FFD6] + and a + jr nz,.halt\@ + ret + +INCBIN "baserom.gbc",$20BA,$2442 - $20BA + ; XXX where is the pointer to this data? MartInventories: ; 2442 ; first byte $FE, next byte # of items, last byte $FF |