diff options
| author | Michael Pavone <pavone@retrodev.com> | 2019-09-21 20:23:53 -0700 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2019-09-21 20:23:53 -0700 |
| commit | 0815374d15e39b203a8d133dad9104747e4057be (patch) | |
| tree | 99b2bd17d3943978c17fa2475eb3d4e1d43fd6e5 /vdp.c | |
| parent | 79e8f385dd4e2cafb2089d6fb24cd0d58b4ee928 (diff) | |
Fix regression in H32 from fine scroll optimization
Diffstat (limited to 'vdp.c')
| -rw-r--r-- | vdp.c | 4 |
1 files changed, 2 insertions, 2 deletions
@@ -2144,7 +2144,7 @@ static void draw_right_border(vdp_context *context) //TODO: Deal with Window layer int i; i = 0; - uint8_t buf_off = context->buf_a_off - (context->hscroll_a & 0xF); + uint8_t buf_off = context->buf_a_off - context->hscroll_a_fine; //uint8_t *src = context->tmp_buf_a + ((context->buf_a_off + (i ? 0 : (16 - BORDER_LEFT) - (context->hscroll_a & 0xF))) & SCROLL_BUFFER_MASK); for (; i < BORDER_RIGHT; buf_off++, i++, dst++) { @@ -2984,7 +2984,7 @@ static void vdp_h32(vdp_context * context, uint32_t target_cycles) context->hscroll_a = context->vdpmem[address] << 8 | context->vdpmem[address+1]; context->hscroll_a_fine = context->hscroll_a & 0xF; context->hscroll_b = context->vdpmem[address+2] << 8 | context->vdpmem[address+3]; - context->hscroll_b_fine = context->hscroll_a & 0xF; + context->hscroll_b_fine = context->hscroll_b & 0xF; //printf("%d: HScroll A: %d, HScroll B: %d\n", context->vcounter, context->hscroll_a, context->hscroll_b); CHECK_LIMIT //provides "garbage" for border when plane A selected SPRITE_RENDER_H32(245) |