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Ilia Sharin 2026-04-26 14:46:18 -04:00
parent 5fac29ccd5
commit 8133b3a6cb
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10
01_hardware/aga_a1200_a4000/aga_display_modes.md
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@ -36,7 +36,7 @@ Mode flags (lower 16 bits):
## Standard AGA Modes
| Mode ID | Resolution | Colours | H rate |
| Mode ID | Resolution | Colors | H rate |
|---|---|---|---|
| `PAL_MONITOR_ID \| LORES_KEY` | 320×256 | 256 | 15.6 kHz |
| `PAL_MONITOR_ID \| HIRES_KEY` | 640×256 | 256 | 15.6 kHz |
@ -55,13 +55,13 @@ Mode flags (lower 16 bits):
struct Screen *scr;
/* 256-colour AGA screen, PAL, 320×256 */
/* 256-color AGA screen, PAL, 320×256 */
scr = OpenScreenTags(NULL,
SA_DisplayID, PAL_MONITOR_ID | LORES_KEY,
SA_Width, 320,
SA_Height, 256,
SA_Depth, 8, /* 8 bitplanes = 256 colours */
SA_Colors32, (ULONG)colour_table, /* LoadRGB32 format */
SA_Depth, 8, /* 8 bitplanes = 256 colors */
SA_Colors32, (ULONG)color_table, /* LoadRGB32 format */
SA_Title, (ULONG)"My AGA Screen",
SA_Quiet, TRUE,
TAG_DONE);
@ -79,7 +79,7 @@ scr = OpenScreenTags(NULL,
```
> [!NOTE]
> HAM8 screens require 8 bitplanes. The display system automatically programmes BPLCON0 with HAM=1. The first 64 colour registers are used as the HAM8 index palette.
> HAM8 screens require 8 bitplanes. The display system automatically programmes BPLCON0 with HAM=1. The first 64 color registers are used as the HAM8 index palette.
## BestModeID() — Querying Available Modes