--- np2/i286x/memory.x86 2003/12/27 11:55:23 1.6 +++ np2/i286x/memory.x86 2005/05/20 13:59:47 1.15 @@ -2,19 +2,17 @@ ; ; ToDo: egc word-boundary -%include 'x86/np2asm.inc' +%include 'np2asm.inc' +%include 'cpucore.inc' +%include 'iocore.inc' +%include 'vram.inc' section .bss global _mem extern _i286core - extern _grcg - extern _extmem - extern _gdcs extern _tramupdate extern _vramupdate - extern _cgwindow -; extern ___font extern _vramop _mem resb 0x200000 @@ -25,8 +23,8 @@ EXTMEMORY equ 0 VIDEOMEMORY equ _mem USERSMEMORY_R equ 0a8000h USERSMEMORY_W equ 0a0000h -_extmemmng_ptr equ _i286core + i286core_t.ext -_extmemmng_size equ _i286core + i286core_t.extsize +_extmemmng_ptr equ _i286core + cpucore_t.ext +_extmemmng_size equ _i286core + cpucore_t.extsize %if 1 _font equ _mem + FONT_ADRS @@ -84,21 +82,21 @@ section .text %if USE_EGCASM - extern _egca_read - extern _egca_read_w - extern _egca_write - extern _egca_write_w + extern egc_read + extern egc_read_w + extern egc_write + extern egc_write_w %else - extern @egc_read@4 - extern @egc_read_w@4 - extern @egc_write@8 - extern @egc_write_w@8 + extern @memegc_rd8@4 + extern @memegc_rd16@4 + extern @memegc_wr8@8 + extern @memegc_wr16@8 %endif ; normal memory align 16 @i286_wt: mov ebx, ecx - and ebx, [_i286core + i286core_t.adrsmask] + and ebx, [_i286core + cpucore_t.adrsmask] mov [MAINMEMORY + ebx], dl pop ebx ret @@ -106,7 +104,7 @@ section .text ; tram write align 16 @tram_wt: mov ebx, [_vramop + vramop_t.tramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov ebx, ecx cmp ecx, 000a2000h jnc short wtram_a @@ -122,6 +120,8 @@ wtram_a: cmp ecx, 000a3fe0h jc short wtram_m cmp ecx, 000a4000h jnc wcgwindow_s + test ecx, 2 + je short wtram_m cmp byte [_gdcs + gdcs_t.msw_accessable], 0 je short wtram_e wtram_m: shr ebx, 1 @@ -155,7 +155,7 @@ wcgwindow_e: pop ebx or byte [_vramupdate + ebx], 1 or byte [_gdcs + gdcs_t.grphdisp], 1 mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -167,7 +167,7 @@ wcgwindow_e: pop ebx or byte [_vramupdate + ebx], 2 or byte [_gdcs + gdcs_t.grphdisp], 2 mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -188,7 +188,7 @@ wcgwindow_e: pop ebx or byte [_gdcs + gdcs_t.grphdisp], 1 grcg_rmw: mov ebx, [_vramop + vramop_t.grcgwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov ebx, dword [_grcg + grcg_t.mode] mov bl, dl not bl @@ -237,7 +237,7 @@ grcgrmw_end: pop ecx or byte [_gdcs + gdcs_t.grphdisp], 1 grcg_tdw: mov ebx, [_vramop + vramop_t.grcgwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov bh, [_grcg + grcg_t.modereg] shr bh, 1 jc short grcgtdw_r @@ -262,12 +262,14 @@ grcgtdw_end: pop ecx ; EGC bridge align 16 @egc_wt: VRAMTRACE + mov ebx, [_vramop + vramop_t.grcgwait] + sub [_i286core + cpucore_t.remainclock], ebx pop ebx %if USE_EGCASM - jmp _egca_write + jmp egc_write %else pushad - call @egc_write@8 + call @memegc_wr8@8 popad ret %endif @@ -279,14 +281,13 @@ grcgtdw_end: pop ecx and ecx, 3fffh shr ebx, 12 and ebx, byte (3*4) - add ecx, [_extmem + extmem_t.pageptr + ebx] + add ecx, [_i286core + cpucore_t.ems + ebx] mov [EXTMEMORY + ecx], dl pop ecx pop ebx ret @i286_wb: mov [MAINMEMORY + 1c8000h - 0e8000h + ecx], dl - pop ecx pop ebx ret @@ -301,7 +302,7 @@ grcgtdw_end: pop ecx ; normal memory align 16 @i286_rd: mov ebx, ecx - and ebx, [_i286core + i286core_t.adrsmask] + and ebx, [_i286core + cpucore_t.adrsmask] mov al, [MAINMEMORY + ebx] pop ebx ret @@ -309,7 +310,7 @@ grcgtdw_end: pop ecx ; font cg-window align 16 @tram_rd: mov ebx, [_vramop + vramop_t.tramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx cmp ecx, 0a4000h jnc rcgwindow_s rcgwindow_n: mov al, [MAINMEMORY + ecx] @@ -332,7 +333,7 @@ rcgwindow_s: cmp ecx, 0a5000h align 16 @vram_r0: mov al, [VIDEOMEMORY + ecx] mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -340,7 +341,7 @@ rcgwindow_s: cmp ecx, 0a5000h align 16 @vram_r1: mov al, [VIDEOMEMORY + VRAM_STEP + ecx] mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -355,7 +356,7 @@ rcgwindow_s: cmp ecx, 0a5000h and ecx, 7fffh grcg_tcr: mov ebx, [_vramop + vramop_t.grcgwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov al, 0 mov bh, [_grcg + grcg_t.modereg] shr bh, 1 @@ -384,12 +385,14 @@ grcgtcr_end: not al ; EGC bridge align 16 -@egc_rd: pop ebx +@egc_rd: mov ebx, [_vramop + vramop_t.grcgwait] + sub [_i286core + cpucore_t.remainclock], ebx + pop ebx %if USE_EGCASM - jmp _egca_read + jmp egc_read %else pushad - call @egc_read@4 + call @memegc_rd8@4 mov [esp + 28], al popad ret @@ -403,7 +406,7 @@ grcgtcr_end: not al and ecx, 3fffh shr ebx, 12 and ebx, byte (3*4) - add ecx, [_extmem + extmem_t.pageptr + ebx] + add ecx, [_i286core + cpucore_t.ems + ebx] mov al, [EXTMEMORY + ecx] pop ecx pop ebx @@ -412,7 +415,7 @@ grcgtcr_end: not al ; BIOS or ITF align 16 @i286_rb: pop ebx - cmp byte [_i286core + i286core_t.itfbank], 0 + cmp byte [_i286core + cpucore_t.itfbank], 0 jne readmem_itf mov al, [MAINMEMORY + ecx] ret @@ -424,7 +427,7 @@ readmem_itf: mov al, [MAINMEMORY + VRA ; normal memory align 16 @i286w_wt: mov ebx, ecx - and ebx, [_i286core + i286core_t.adrsmask] + and ebx, [_i286core + cpucore_t.adrsmask] mov [MAINMEMORY + ebx], dx pop ebx ret @@ -432,7 +435,7 @@ readmem_itf: mov al, [MAINMEMORY + VRA ; tram write align 16 @tramw_wt: mov ebx, [_vramop + vramop_t.tramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov ebx, ecx cmp ecx, 000a1fffh jnc short wtramw_a @@ -455,6 +458,8 @@ wtramw_a: je short wword_a1fffh jc short wtramw_m cmp ecx, 000a3fffh jnc wcgwindoww_s + test ecx, 2 + je short wtramw_m cmp byte [_gdcs + gdcs_t.msw_accessable], 0 je short wtramw_e wtramw_m: and ebx, 1fffh @@ -507,7 +512,7 @@ wcgwinw_odd: add ebx, dword [_cgwindow or word [_vramupdate + ebx], 0101h or byte [_gdcs + gdcs_t.grphdisp], 1 mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -519,7 +524,7 @@ wcgwinw_odd: add ebx, dword [_cgwindow or word [_vramupdate + ebx], 0202h or byte [_gdcs + gdcs_t.grphdisp], 2 mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -540,7 +545,7 @@ wcgwinw_odd: add ebx, dword [_cgwindow or byte [_gdcs + gdcs_t.grphdisp], 1 grcgw_rmw: mov ebx, [_vramop + vramop_t.grcgwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx push eax mov ebx, dword [_grcg + grcg_t.mode] mov bx, dx @@ -591,7 +596,7 @@ grcgwrmw_end: pop eax or byte [_gdcs + gdcs_t.grphdisp], 1 grcgw_tdw: mov ebx, [_vramop + vramop_t.grcgwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov ebx, [_grcg + grcg_t.mode] test ebx, 010000h jne short grcgwtdw_r @@ -616,26 +621,14 @@ grcgwtdw_end: pop ecx ; EGC bridge align 16 @egcw_wt: VRAMTRACE_W + mov ebx, [_vramop + vramop_t.grcgwait] + sub [_i286core + cpucore_t.remainclock], ebx pop ebx %if USE_EGCASM - jmp _egca_write_w + jmp egc_write_w %else - test ecx, 1 - jne short egcw_wtodd pushad - call @egc_write_w@8 - popad - ret -egcw_wtodd: - pushad - push ecx - push edx - call @egc_write@8 - pop edx - pop ecx - inc ecx - shr edx, 8 - call @egc_write@8 + call @memegc_wr16@8 popad ret %endif @@ -647,14 +640,13 @@ egcw_wtodd: and ecx, 3fffh shr ebx, 12 and ebx, byte (3*4) - add ecx, [_extmem + extmem_t.pageptr + ebx] + add ecx, [_i286core + cpucore_t.ems + ebx] mov [EXTMEMORY + ecx], dx pop ecx pop ebx ret @i286w_wb: mov [MAINMEMORY + 1c8000h - 0e8000h + ecx], dx - pop ecx pop ebx ret @@ -663,7 +655,7 @@ egcw_wtodd: ; normal memory align 16 @i286w_rd: mov ebx, ecx - and ebx, [_i286core + i286core_t.adrsmask] + and ebx, [_i286core + cpucore_t.adrsmask] mov ax, [MAINMEMORY + ebx] pop ebx ret @@ -671,7 +663,7 @@ egcw_wtodd: ; font cg-window align 16 @tramw_rd: mov ebx, [_vramop + vramop_t.tramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx cmp ecx, 0a3fffh jnc rcgwwindow_s mov ax, [MAINMEMORY + ecx] @@ -725,7 +717,7 @@ rcgwwindow_a4fff: mov ebx, dword [_cgwi align 16 @vramw_r0: mov ax, [VIDEOMEMORY + ecx] mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -733,7 +725,7 @@ rcgwwindow_a4fff: mov ebx, dword [_cgwi align 16 @vramw_r1: mov ax, [VIDEOMEMORY + VRAM_STEP + ecx] mov ebx, [_vramop + vramop_t.vramwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx pop ebx ret @@ -748,7 +740,7 @@ rcgwwindow_a4fff: mov ebx, dword [_cgwi and ecx, 7fffh grcgw_tcr: mov ebx, [_vramop + vramop_t.grcgwait] - sub [_i286core + i286core_t.remainclock], ebx + sub [_i286core + cpucore_t.remainclock], ebx mov ax, 0 mov ebx, [_grcg + grcg_t.mode] test ebx, 010000h @@ -777,38 +769,19 @@ grcgwtcr_end: not ax ; EGC bridge align 16 -@egcw_rd: pop ebx - test ecx, 1 - jne short egcw_rdodd +@egcw_rd: mov ebx, [_vramop + vramop_t.grcgwait] + sub [_i286core + cpucore_t.remainclock], ebx + pop ebx %if USE_EGCASM - jmp _egca_read_w + jmp egc_read_w %else pushad - call @egc_read_w@4 + call @memegc_rd16@4 mov [esp + 28], ax popad ret %endif -egcw_rdodd: -%if USE_EGCASM - inc ecx - call _egca_read - mov ah, al - dec ecx - jmp _egca_read -%else - pushad - push ecx - call @egc_read@4 - pop ecx - mov [esp+28], al - inc ecx - call @egc_read@4 - mov [esp+29], al - popad -%endif - ret ; EMM read align 16 @@ -817,7 +790,7 @@ egcw_rdodd: and ecx, 3fffh shr ebx, 12 and ebx, byte (3*4) - add ecx, [_extmem + extmem_t.pageptr + ebx] + add ecx, [_i286core + cpucore_t.ems + ebx] mov ax, [EXTMEMORY + ecx] pop ecx pop ebx @@ -826,7 +799,7 @@ egcw_rdodd: ; BIOS or ITF align 16 @i286w_rb: pop ebx - cmp byte [_i286core + i286core_t.itfbank], 0 + cmp byte [_i286core + cpucore_t.itfbank], 0 jne readwmem_itf mov ax, [MAINMEMORY + ecx] ret @@ -962,6 +935,7 @@ vramw_write dd @vramw_w0, @vramw_w1 ; section .text + global @i286_memorymap@4 global @i286_vram_dispatch@4 global @i286_memorywrite@8 @@ -987,7 +961,7 @@ section .text align 16 writeextmem_w: %if USE_HIMEM - cmp ecx, 10ffefh ; HIMEM + cmp ecx, (USE_HIMEM - 1) jae near writehimem_w %endif push ebx @@ -1025,7 +999,7 @@ writemain_b: mov [MAINMEMORY + ecx], d align 16 writeextmem_b: %if USE_HIMEM - cmp ecx, 10fff0h ; HIMEM + cmp ecx, USE_HIMEM jae near writehimem %endif push ebx @@ -1042,7 +1016,7 @@ writeextmem_b: align 16 readmemory_w: %if USE_HIMEM - cmp ecx, 10ffefh ; HIMEM + cmp ecx, (USE_HIMEM - 1) jae near readhimem_w %endif push ebx @@ -1077,7 +1051,7 @@ readmain_b: mov al, [MAINMEMORY + ecx align 16 readmemory_b: %if USE_HIMEM - cmp ecx, 10fff0h ; HIMEM + cmp ecx, USE_HIMEM jae near readhimem %endif push ebx