diff options
Diffstat (limited to 'agbx')
-rw-r--r-- | agbx/GNUmakefile | 2 | ||||
-rw-r--r-- | agbx/include/agbx/gfx.h | 13 | ||||
-rw-r--r-- | agbx/source/bs/done.c | 2 | ||||
-rw-r--r-- | agbx/source/gfx/getpx.c | 19 | ||||
-rw-r--r-- | agbx/source/gfx/getvbnk.s | 2 | ||||
-rw-r--r-- | agbx/source/gfx/plot.c | 11 | ||||
-rw-r--r-- | agbx/source/gfx/rd.c | 24 |
7 files changed, 61 insertions, 12 deletions
diff --git a/agbx/GNUmakefile b/agbx/GNUmakefile index 0265379..afd8f50 100644 --- a/agbx/GNUmakefile +++ b/agbx/GNUmakefile @@ -43,8 +43,10 @@ OBJS := \ source/bs/set.o \ source/gfx/clrscrn.o \ source/gfx/flip.o \ + source/gfx/getpx.o \ source/gfx/getvbnk.o \ source/gfx/plot.o \ + source/gfx/rd.o \ source/gfx/setpx.o \ source/gfx/vsync.o \ source/key/getkeymap.o \ diff --git a/agbx/include/agbx/gfx.h b/agbx/include/agbx/gfx.h index 2da8974..beec93b 100644 --- a/agbx/include/agbx/gfx.h +++ b/agbx/include/agbx/gfx.h @@ -16,12 +16,19 @@ void agbx_vsync( void); void agbx_setpx1(agbx_i20 vaddr,agbx_i10 px,agbx_i8 col); void agbx_setpx2(agbx_i20 vaddr,agbx_i10 px,agbx_i10 col); +agbx_i8 agbx_getpx1(agbx_i20 vaddr,agbx_i10 px); +agbx_i10 agbx_getpx2(agbx_i20 vaddr,agbx_i10 px); + void agbx_clrscrn3(agbx_i10 col); void agbx_clrscrn4(agbx_i20 vaddr,agbx_i8 col); void agbx_clrscrn5(agbx_i20 vaddr,agbx_i10 col); -agbx_i10 agbx_plot3(agbx_i8 x,agbx_i8 y,agbx_i10 col); -agbx_i10 agbx_plot4(agbx_i20 vaddr,agbx_i8 x,agbx_i8 y,agbx_i8 col); -agbx_i10 agbx_plot5(agbx_i20 vaddr,agbx_i8 x,agbx_i8 y,agbx_i10 col); +void agbx_plot3(agbx_i8 x, agbx_i8 y,agbx_i10 col); +void agbx_plot4(agbx_i20 vaddr,agbx_i8 x,agbx_i8 y, agbx_i8 col); +void agbx_plot5(agbx_i20 vaddr,agbx_i8 x,agbx_i8 y, agbx_i10 col); + +agbx_i10 agbx_rd3(agbx_i8 x, agbx_i8 y); +agbx_i8 agbx_rd4(agbx_i20 vaddr,agbx_i8 x,agbx_i8 y); +agbx_i10 agbx_rd5(agbx_i20 vaddr,agbx_i8 x,agbx_i8 y); #endif diff --git a/agbx/source/bs/done.c b/agbx/source/bs/done.c index 8e3726d..64130e3 100644 --- a/agbx/source/bs/done.c +++ b/agbx/source/bs/done.c @@ -18,7 +18,7 @@ void agbx_done(agbx_err const _err) { /* Display the barcode-like error message: */ agbx_set10(0x400'0000u,0x404u); agbx_set10(0x500'0000u,0x0u); - agbx_set10(0x500'0002u,0x19u); + agbx_set10(0x500'0002u,0b11111u); agbx_i8 err[0xBu]; for (agbx_i8 pos = 0x0u;pos != 0x8u;++pos) {err[pos] = (agbx_i8)_err >> pos & 0x1u;} err[0x8u] = 0x0u; diff --git a/agbx/source/gfx/getpx.c b/agbx/source/gfx/getpx.c new file mode 100644 index 0000000..5d24db4 --- /dev/null +++ b/agbx/source/gfx/getpx.c @@ -0,0 +1,19 @@ +/* + Copyright 2022 Gabriel Jensen. + This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. + If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. +*/ + +#include <agbx/priv.h> + +#include <agbx/gfx.h> + +agbx_i8 agbx_getpx1(agbx_i20 const _vaddr,agbx_i10 const _px) { + agbx_i20 const addr = _vaddr + _px; + return __agbx_get8(addr); +} + +agbx_i10 agbx_getpx2(agbx_i20 const _vaddr,agbx_i10 const _px) { + agbx_i20 const addr = _vaddr + _px * 0x2u; + return __agbx_get8(addr); +} diff --git a/agbx/source/gfx/getvbnk.s b/agbx/source/gfx/getvbnk.s index e04a127..6898266 100644 --- a/agbx/source/gfx/getvbnk.s +++ b/agbx/source/gfx/getvbnk.s @@ -35,7 +35,7 @@ __agbx_getvbnk: @ Takes the value of dispcnt in r1. movs r0,0b10000 tst r1,r0 - bne .vbnk1 + beq .vbnk1 .vbnk0: @ Return the address of the first video bank: diff --git a/agbx/source/gfx/plot.c b/agbx/source/gfx/plot.c index e23834c..a19a2f1 100644 --- a/agbx/source/gfx/plot.c +++ b/agbx/source/gfx/plot.c @@ -8,20 +8,17 @@ #include <agbx/gfx.h> -agbx_i10 agbx_plot3(agbx_i8 const _x,agbx_i8 const _y,agbx_i10 const _col) { +void agbx_plot3(agbx_i8 const _x,agbx_i8 const _y,agbx_i10 const _col) { agbx_i10 const px = _y * 0xF0u + _x; __agbx_setpx2(0x600'0000u,px,_col) - return px; } -agbx_i10 agbx_plot4(agbx_i20 const _vaddr,agbx_i8 const _x,agbx_i8 const _y,agbx_i8 const _col) { +void agbx_plot4(agbx_i20 const _vaddr,agbx_i8 const _x,agbx_i8 const _y,agbx_i8 const _col) { agbx_i10 const px = _y * 0xF0u + _x; agbx_setpx1(_vaddr,px,_col); - return px; } -agbx_i10 agbx_plot5(agbx_i20 const _vaddr,agbx_i8 const _x,agbx_i8 const _y,agbx_i10 const _col) { - agbx_i10 const px = _y * 0xF0u + _x; +void agbx_plot5(agbx_i20 const _vaddr,agbx_i8 const _x,agbx_i8 const _y,agbx_i10 const _col) { + agbx_i10 const px = _y * 0xA0u + _x; __agbx_setpx2(_vaddr,px,_col) - return px; } diff --git a/agbx/source/gfx/rd.c b/agbx/source/gfx/rd.c new file mode 100644 index 0000000..94dd676 --- /dev/null +++ b/agbx/source/gfx/rd.c @@ -0,0 +1,24 @@ +/* + Copyright 2022 Gabriel Jensen. + This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. + If a copy of the MPL was not distributed with this file, You can obtain one at https://mozilla.org/MPL/2.0/. +*/ + +#include <agbx/priv.h> + +#include <agbx/gfx.h> + +agbx_i10 agbx_rd3(agbx_i8 const _x,agbx_i8 const _y) { + agbx_i10 const px = _y * 0xF0u + _x; + return agbx_getpx2(0x600'0000u,px); +} + +agbx_i8 agbx_rd4(agbx_i20 const _vaddr,agbx_i8 const _x,agbx_i8 const _y) { + agbx_i10 const px = _y * 0xF0u + _x; + return agbx_getpx1(_vaddr,px); +} + +agbx_i10 agbx_rd5(agbx_i20 const _vaddr,agbx_i8 const _x,agbx_i8 const _y) { + agbx_i10 const px = _y * 0xA0u + _x; + return agbx_getpx2(_vaddr,px); +} |