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Change the hidecursor patch so it's not inside the pixel loop

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it's probably microscopically faster
This commit is contained in:
Jeff Epler 2025-03-16 20:27:09 -05:00
parent c023e187b8
commit 3b58a695a0
1 changed files with 7 additions and 7 deletions
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14
src/rom.c
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@ -169,10 +169,10 @@ static void rom_patch_plusv3(uint8_t *rom_base)
ROM_WR16(patch_2 + 0, 0x303c); /* move.l ..., D0 */
ROM_WR16(patch_2 + 2, DISP_WIDTH / 8); /* ^^^ */
ROM_WR16(patch_2 + 4, 0x2298); /* Move.l (A0+), (A1) */
ROM_WR16(patch_2 + 6, 0x6000); /* bra */
ROM_WR16(patch_2 + 8, 0x1cd4 - (patch_2 + 8)); /* Return to 1cd4 */
if (patch_2 + 8 >= 0x41) {
ROM_WR16(patch_2 + 4, 0x41f8); /* Lea.L (CrsrSave), A0 */
ROM_WR16(patch_2 + 6, 0x088c); /* ^^^^^^^^ */
ROM_WR16(patch_2 + 8, 0x4e75); /* rts */
if (patch_2 + 10 >= 0x41) {
RERR("patch_2 extends too far (0x%x > 0x41)", patch_2);
}
#endif
@ -243,9 +243,9 @@ static void rom_patch_plusv3(uint8_t *rom_base)
ROM_WR16(0xf36, (DISP_WIDTH/8)-2); /* tPutIcon bytes per row, minus 2 */
#if (DISP_WIDTH / 8) >= 128
ROM_WR16(0x1cd0, 0x6000); /* (hidecursor) bra */
ROM_WR16(0x1cd2, patch_2 - 0x1cd2); /* .. to patch1, returns at 1cd4 */
ROM_WR16(0x1cd8, 0x6ef6); /* loop back a bit further, argh */
ROM_WR16(0x1ccc, 0x4eba); /* (hidecursor) jsr */
ROM_WR16(0x1cce, patch_2 - 0x1cce); /* .. to patch2, returns at 1cd0 */
ROM_WR16(0x1cd0, 0x4e71); /* nop */
#else
ROM_WR8(0x1cd1, DISP_WIDTH/8); /* hidecursor */
#endif