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Add debug lines to mode 7

pull/58/head
IanSB 2019-03-23 00:15:29 +00:00
rodzic a9a19d891f
commit 959222640c
1 zmienionych plików z 23 dodań i 12 usunięć
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33
src/capture_line_mode7_4bpp.S
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@ -73,7 +73,9 @@ capture_line_mode7_4bpp:
mov r7, #0
tst r3, #BIT_VSYNC_MARKER
ldrne r7, =0x11111111 // the VSync indicator
tst r3, #BIT_DEBUG
eorne r7, r7, #0x50 //magenta in leftmost
eorne r7, r7, #0x02000000 //green in rightmost
process_chars_loop_7_simple:
WAIT_FOR_PSYNC_EDGE
@ -121,7 +123,7 @@ process_chars_loop_7_simple:
bic r9, r5, r8 // extract the OSD bits from old pixel value
orr r10, r10, r9 // OR in OSD bits from old pixel value
orr r10, r7 // OR in the VSync indicator
eor r10, r7 // EOR in the VSync indicator
str r10, [r0], #4 // write new pixel value to video buffer
subs r1, r1, #1
@ -133,8 +135,10 @@ process_chars_7_none:
mov r7, #0
tst r3, #BIT_VSYNC_MARKER
ldrne r7, =0x11111111 // the VSync indicator
tst r3, #BIT_DEBUG
eorne r7, r7, #0x50 //magenta in leftmost
eorne r7, r7, #0x02000000 //green in rightmost
ldr r11, =0x77777777 // mask to extract OSD
process_chars_loop_7_none:
WAIT_FOR_PSYNC_EDGE // expects GPLEV0 in r4, result in r8
@ -146,7 +150,7 @@ process_chars_loop_7_none:
CAPTURE_HIGH_BITS // input in r8, result in r10, corrupts r9/r14
ldr r9, [r0] // preload old pixel value from video buffer
orr r10, r10, r7 // OR in the VSync indicator
eor r10, r10, r7 // EOR in the VSync indicator
bic r9, r9, r11
orr r10, r10, r9
@ -162,8 +166,10 @@ process_chars_7_bob:
mov r7, #0
tst r3, #BIT_VSYNC_MARKER
ldrne r7, =0x11111111 // the VSync indicator
tst r3, #BIT_DEBUG
eorne r7, r7, #0x50 //magenta in leftmost
eorne r7, r7, #0x02000000 //green in rightmost
ldr r11, =0x77777777 // mask to extract OSD
process_chars_loop_7_bob:
WAIT_FOR_PSYNC_EDGE // expects GPLEV0 in r4, result in r8
@ -177,7 +183,7 @@ process_chars_loop_7_bob:
CAPTURE_HIGH_BITS // input in r8, result in r10, corrupts r9/r14
orr r10, r10, r7 // OR in the VSync indicator
eor r10, r10, r7 // EOR in the VSync indicator
bic r9, r5, r11
@ -244,14 +250,19 @@ process_chars_loop_7_advanced:
str r10, [r11] // save new value in comparison buffer
mov r0, r10 // save left pixel data for later
ldr r8, =0x11111111
mov r8, #0
tst r3, #BIT_VSYNC_MARKER
ldrne r8, =0x11111111
tst r3, #BIT_DEBUG
eorne r8, r8, #0x50 //magenta in leftmost
eorne r8, r8, #0x02000000 //green in rightmost
bic r5, r5, r1 // extract OSD bits
bic r10, r6, r1
bic r7, r7, r1
tst r3, #BIT_VSYNC_MARKER
orrne r5, r5, r8 // add red vsync bar
orrne r10, r10, r8 // add red vsync bar
orrne r7, r7, r8 // add red vsync bar
eor r5, r5, r8 // add red vsync bar
eor r10, r10, r8 // add red vsync bar
eor r7, r7, r8 // add red vsync bar
orr r5, r5, r0 // merge OSD with new value
str r5, [r12] // save to screen
str r7, osdbuffer3 // save for later in cached memory