Mercurial > repos > blastem

changeset 2205:90297f1fb3fe

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix implementation of semi-broken sprite zoom on SMS1
author Michael Pavone <pavone@retrodev.com>
date Tue, 23 Aug 2022 20:21:26 -0700
parents dc4268a778bc
children 4c265d2f6c88
files vdp.c
diffstat 1 files changed, 0 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/vdp.c	Mon Aug 22 23:21:16 2022 -0700
+++ b/vdp.c	Tue Aug 23 20:21:26 2022 -0700
@@ -702,9 +702,6 @@
 		uint32_t size = (context->regs[REG_MODE_2] & BIT_SPRITE_SZ) ? 16 : 8;
 		uint32_t ysize = size;
 		uint8_t zoom = context->type != VDP_GENESIS && (context->regs[REG_MODE_2] & BIT_SPRITE_ZM);
-		if (context->type == VDP_SMS && context->slot_counter <= 4) {
-			zoom = 0;
-		}
 		if (zoom) {
 			ysize *= 2;
 		}
@@ -814,9 +811,6 @@
 		address = mode4_address_map[address];
 		--context->sprite_draws;
 		uint8_t zoom = context->type != VDP_GENESIS && (context->regs[REG_MODE_2] & BIT_SPRITE_ZM);
-		if (context->type == VDP_SMS && context->sprite_draws < 4) {
-			zoom = 0;
-		}
 		uint32_t tile_address = context->vdpmem[address] * 32 + (context->regs[REG_STILE_BASE] << 11 & 0x2000);
 		if (context->regs[REG_MODE_2] & BIT_SPRITE_SZ) {
 			tile_address &= ~32;