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fix interlacing (top fields are odd, i guess)

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Connor Olding 2018-10-22 09:06:51 +02:00
parent c8e5d24975
commit fab37799e2
1 changed files with 2 additions and 2 deletions
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4
inc/n64_vi.inc
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@ -107,10 +107,10 @@ SetScreenNTSC_Fail:
sw r0, VI_V_CURRENT_LINE(v1) // clear interrupt sw r0, VI_V_CURRENT_LINE(v1) // clear interrupt
SetScreenNTSC_SetInterlaced: SetScreenNTSC_SetInterlaced:
beqz t0, SetScreenNTSC_Set // nothing more to do on even fields. bnez t0, SetScreenNTSC_Set // nothing more to do on odd (top) fields.
ori a1, INTERLACE ori a1, INTERLACE
// handle odd fields. // handle even (bottom) fields.
addu a2, t2 // add width to origin addu a2, t2 // add width to origin
addu a2, t2 // and again for a full row (when 16 BPP) addu a2, t2 // and again for a full row (when 16 BPP)
beqz t1, SetScreenNTSC_Set // branch when 16 BPP beqz t1, SetScreenNTSC_Set // branch when 16 BPP