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https://github.com/mauiaaron/apple2.git
synced 2025-01-10 23:29:43 +00:00
Remove non-"640x400" display mode
This commit is contained in:
Aaron Culliney
parent
fe68032b0d
commit
558ec8f1d5
@ -200,7 +200,6 @@ dnl ---------------------------------------------------------------------------
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dnl Misc ...
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AC_DEFINE(APPLE2IX, 1, [Denotes a section of code as Apple//ix sourced, used with external sources])
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AC_DEFINE(_640x400, 1, [Screen dimensions ... this should be evenutally deprecated when we support dynamic resolutions])
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AC_DEFINE(KEYPAD_JOYSTICK, 1, [Joystick emulated on keyboard ... should not be true on mobile devices])
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dnl Joystick device
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@ -27,12 +27,8 @@
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routines.
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------------------------------------------------------------------------- */
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#ifdef _640x400
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#define Font SN(video__wider_font)
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#define Font80 SN(video__font)
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#else /* !_640x400 */
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#define Font SN(video__font)
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#endif /* !_640x400 */
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/* -------------------------------------------------------------------------
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* Plot exatly 7 pixels from FROM to TO.
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@ -51,8 +47,6 @@
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movb %cl, (TO);
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#ifdef _640x400
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#define LoadHiresTableRef(TABLE)\
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leal SN(video__wider_hires_##TABLE), %ebx;\
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shll $4, %eax;/* *16 */\
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@ -209,82 +203,6 @@
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subl $4, %eax;\
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PlotDHiresByte
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#else /* if ! _640x400 */
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#define LoadHiresTableRef(TABLE)\
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leal SN(video__hires_##TABLE)(,%eax,8), %ebx;
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/* -------------------------------------------------------------------------
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* Plot a normal swath of pixels.
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* For 320x200 this is exactly 7 pixels.
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* ebx: from table
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* eax: to graphics memory
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* ------------------------------------------------------------------------- */
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#define PlotPixels\
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Plot7Pixels(%ebx,%eax)
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#define PlotCharacter40Row \
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Plot7Pixels(%esi,%eax)
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#define PlotBlockRow \
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movl %edx, (%eax); \
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addl $4, %eax; \
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movw %dx, (%eax); \
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addl $2, %eax; \
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movb %dl, (%eax);
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/* -------------------------------------------------------------------------
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* Plot a dynamically interpolated swath of pixels
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* For 320x200 this is exactly 9 pixels.
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* ebx: from table
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* eax: to graphics memory
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* ecx: scratch
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* ------------------------------------------------------------------------- */
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#define PlotPixelsExtra\
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decl %eax;\
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movl (%ebx), %ecx;\
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movl %ecx, (%eax);\
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addl $4, %eax;\
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addl $4, %ebx;\
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movl (%ebx), %ecx;\
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movl %ecx, (%eax);\
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addl $4, %eax;\
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addl $4, %ebx;\
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movb (%ebx), %cl;\
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movb %cl, (%eax);
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/* -------------------------------------------------------------------------
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* Get the adjancent color bytes in memory.
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* ebx: graphics memory index
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* eax: temp buffer for comparison
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* ------------------------------------------------------------------------- */
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#define GrabAdjGMBytes\
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subl $2, %ebx;\
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movw (%ebx), %cx;\
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movw %cx, (%eax); /* GM -> temp */\
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addl $9, %eax;\
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addl $9, %ebx;\
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movw (%ebx), %cx;\
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movw %cx, (%eax); /* GM -> temp */\
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decl %eax;
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/* -------------------------------------------------------------------------
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* Plots a normalized byte of dhires color directly into graphics memory.
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* eax: graphics memory index
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* ebx: dhires_colors index
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* edx: scratch
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* ------------------------------------------------------------------------- */
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#define PlotDHiresByte \
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movb SN(video__dhires1)(,%ebx,1), %dl; \
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movb SN(video__dhires2)(,%ebx,1), %dh; \
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movw %dx, (%eax); \
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addl $2, %eax;
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#define PlotDHiresFirstByte\
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subl $2, %eax;\
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PlotDHiresByte
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#endif/*_640x400*/
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/* -------------------------------------------------------------------------
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* Calculate the graphics memory offset based on EffectiveAddr.
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@ -1028,7 +946,6 @@ iie_plot_dhires1:
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ret
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#ifdef _640x400
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.align 4
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plot_80character0:
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pushl %ebx
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@ -1067,29 +984,13 @@ plot_80character1:
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popl %ebx
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ret
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#else /* !640x400 resolution is not sufficient for 80 column */
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.align 4
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plot_80character0:
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andl $0xFFFF, EffectiveAddr_E/* for safety */
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ret
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.align 4
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plot_80character1:
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andl $0xFFFF, EffectiveAddr_E/* for safety */
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ret
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#endif /* _640x400 */
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/* plot character on first text page */
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.align 4
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plot_character0:
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PlotTextPagePre($0x400,video__fb1,$0)
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plot_character_correct_page:
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#ifdef _640x400
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shll $7, %esi # * 128
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#else
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shll $6, %esi # * 64
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#endif
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addl $ Font, %esi # Font addr
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PlotCharacter40Row
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@ -19,9 +19,7 @@
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static uint8_t vga_mem_page_0[SCANWIDTH*SCANHEIGHT]; /* page0 framebuffer */
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static uint8_t vga_mem_page_1[SCANWIDTH*SCANHEIGHT]; /* page1 framebuffer */
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#ifdef _640x400
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uint8_t video__wider_font[0x8000];
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#endif /* _640x400 */
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uint8_t video__font[0x4000];
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@ -31,10 +29,8 @@ uint8_t video__columns[8192];
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uint8_t *video__fb1,*video__fb2;
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#ifdef _640x400
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uint8_t video__wider_hires_even[0x1000];
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uint8_t video__wider_hires_odd[0x1000];
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#endif
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uint8_t video__hires_even[0x800];
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uint8_t video__hires_odd[0x800];
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@ -76,10 +72,8 @@ void video_loadfont(int first,
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{
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y = (x & 128) ? fg : bg;
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#ifdef _640x400
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video__wider_font[(first << 7) + (i << 4) + (j << 1)] =
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video__wider_font[(first << 7) + (i << 4) + (j << 1) + 1] =
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#endif /* _640x400 */
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video__font[(first << 6) + (i << 3) + j] = y;
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x <<= 1;
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}
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@ -479,7 +473,6 @@ static void c_initialize_hires_values(void)
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}
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}
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#ifdef _640x400
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/* *2 for 640x400 */
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for (b=0, e=0; b<4096; b++, e++)
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{
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@ -489,8 +482,6 @@ static void c_initialize_hires_values(void)
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video__wider_hires_even[b] = video__hires_even[e];
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video__wider_hires_odd[b] = video__hires_odd[e];
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}
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#endif
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}
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@ -513,13 +504,8 @@ static void c_initialize_row_col_tables(void)
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{
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for (x = 0; x < 40; x++)
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{
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#ifdef _640x400
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video__screen_addresses[video__line_offset[y] + 0x400*off + x ] =
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(y*16 + 2*off /* + 8*/) * SCANWIDTH + x*14 + 4;
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#else
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video__screen_addresses[video__line_offset[y] + 0x400*off + x ] =
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(y*8 + off + 4) * 320 + x*7 + 20;
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#endif
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video__columns[video__line_offset[y] + 0x400*off + x] =
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(uint8_t)x;
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}
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@ -658,14 +644,13 @@ void video_loadfont_int(int first, int quantity, const unsigned char *data)
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static void c_interface_print_char80_line(
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unsigned char **d, unsigned char **s)
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{
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#ifdef _640x400
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*((unsigned int *)(*d)) = *((unsigned int *)(*s)); /*32bits*/
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*d += 4, *s += 4;
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*((unsigned short *)(*d)) = *((unsigned short *)(*s)); /*16bits*/
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*d += 2, *s += 2;
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*((unsigned char *)(*d)) = *((unsigned char *)(*s)); /*8bits*/
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*d += SCANWIDTH-6, *s -= 6;
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#endif
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*((unsigned int *)(*d)) = *((unsigned int *)(*s)); /*32bits*/
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*d += 4, *s += 4;
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*((unsigned short *)(*d)) = *((unsigned short *)(*s)); /*16bits*/
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@ -680,13 +665,8 @@ void video_plotchar( int x, int y, int scheme, unsigned char c )
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unsigned char *d;
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unsigned char *s;
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#ifdef _640x400
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off = y * SCANWIDTH * 16 + x * 7 + 4;
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s = video__int_font[scheme] + c * 64;
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#else
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off = y * SCANWIDTH * 8 + x * 7 + /*WtF?*/1300;
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s = video__int_font[scheme] + c * 64;
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#endif
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d = video__fb1 + off;
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c_interface_print_char80_line(&d,&s);
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@ -117,7 +117,6 @@ const uint8_t * const video_current_framebuffer();
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/**** Private stuff follows *****/
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#ifdef _640x400
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/* 640x400 mode really isn't what it advertises. It's really 560x384 with 4
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* extra bytes on each side for color interpolation hack. This is yet another
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* area where I've traded the optimization gain (especially on older slower
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@ -126,11 +125,6 @@ const uint8_t * const video_current_framebuffer();
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#define SCANWIDTH 568
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#define SCANHEIGHT 384
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#define SCANSTEP SCANWIDTH-12
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#else /* !_640x400 */
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#define SCANWIDTH 320
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#define SCANHEIGHT 200
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#define SCANSTEP SCANWIDTH-6
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#endif /* !_640x400 */
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#define COLOR_BLACK 0
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@ -178,10 +172,8 @@ const uint8_t * const video_current_framebuffer();
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extern uint8_t *video__fb1,*video__fb2;
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#ifdef _640x400
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extern uint8_t video__wider_hires_even[0x1000];
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extern uint8_t video__wider_hires_odd[0x1000];
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#endif /* _640x400 */
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extern uint8_t video__hires_even[0x800];
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extern uint8_t video__hires_odd[0x800];
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