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Fix text drawing on defined quadword aligned modes with CPU source

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This commit is contained in:
Cacodemon345
2024-02-16 14:05:50 +06:00
parent 19b8dbb1d2
commit f9aa97e1d3
1 changed files with 13 additions and 4 deletions
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17
src/video/vid_chips_69000.c
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@@ -1081,7 +1081,7 @@ chips_69000_setup_bitblt(chips_69000_t* chips)
return;
}
#if 0
#if 1
if (chips->bitblt_running.bitblt.bitblt_control & (1 << 12)) {
pclog("C&T: Monochrome blit (monochrome_source_alignment = %d, "
"monochrome left clip = %d, "
@@ -1107,6 +1107,9 @@ chips_69000_setup_bitblt(chips_69000_t* chips)
} else {
chips->bitblt_running.mono_bits_skip_left = chips->bitblt_running.bitblt.monochrome_source_left_clip;
if (chips->bitblt_running.bitblt.monochrome_source_alignment == 5)
chips->bitblt_running.bitblt.monochrome_source_alignment = 0;
if (chips->bitblt_running.bitblt.monochrome_source_alignment == 0) {
chips->bitblt_running.mono_bytes_pitch = ((chips->bitblt_running.actual_destination_width + chips->bitblt_running.bitblt.monochrome_source_left_clip + 63) & ~63) / 8;
}
@@ -1238,7 +1241,14 @@ chips_69000_bitblt_write(chips_69000_t* chips, uint8_t data) {
if (chips->bitblt_running.bitblt.bitblt_control & (1 << 12)) {
int orig_cycles = cycles;
chips->bitblt_running.bytes_port[chips->bitblt_running.bytes_written++] = data;
if (chips->bitblt_running.bitblt.monochrome_source_alignment == 0 && chips->bitblt_running.mono_bytes_pitch && chips->bitblt_running.mono_bytes_pitch == chips->bitblt_running.bytes_written) {
if (chips->bitblt_running.bitblt.monochrome_source_alignment == 1) {
uint8_t val = chips->bitblt_running.bytes_port[0];
int i = 0;
chips->bitblt_running.bytes_written = 0;
for (i = 0; i < 8; i++) {
chips_69000_process_mono_bit(chips, !!(val & (1 << (7 - i))));
}
} else if (chips->bitblt_running.bitblt.monochrome_source_alignment == 0 && chips->bitblt_running.mono_bytes_pitch && chips->bitblt_running.mono_bytes_pitch == chips->bitblt_running.bytes_written) {
int orig_count_y = chips->bitblt_running.count_y;
int i = 0, j = 0;
chips->bitblt_running.bytes_written = 0;
@@ -1254,8 +1264,7 @@ chips_69000_bitblt_write(chips_69000_t* chips, uint8_t data) {
}
}
else if ((chips->bitblt_running.bitblt.monochrome_source_alignment == 0 && !chips->bitblt_running.mono_bytes_pitch)
|| chips->bitblt_running.bitblt.monochrome_source_alignment == 2
|| chips->bitblt_running.bitblt.monochrome_source_alignment == 1) {
|| chips->bitblt_running.bitblt.monochrome_source_alignment == 2) {
int orig_count_y = chips->bitblt_running.count_y;
int i = 0;
uint8_t val = chips->bitblt_running.bytes_port[0];